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I ran one… FOR SCIENCE!
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So maybe we can't outrun cheetahs or antelope, but humans are uniquely adapted for long distance running. What does science have to say about marathon running? To find out, (and because I was feeling a little crazy) I decided to run one!
Here's what I discovered about the science of long distance running
Endurance running adaptations: upload.wikimedi...
For more on the science and evolution of distance running, from training plans to cellular physiology, check out Tim Noakes' "The Lore of Running" amzn.to/1eKYir9 and Christopher McDougall's "Born to Run" amzn.to/NnF7wb
Joe Hanson - Host and writer
Joe Nicolosi - Director
Amanda Fox - Producer, Spotzen IncKate Eads - Associate Producer
Katie Graham - Director of Photography
Andrew Matthews - Editor and motion graphics
John Knudsen - Gaffer
Music:
"Ouroboros" by Kevin MacLeod
Other music via APM
Stock images via Shutterstock
Produced for PBS Digital Studios
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For all of you who wonder why Pheidipides died (although he was a messenger , meaning that he was one of the official guys for jobs like that , so he was training regularly) : Around 2 weeks before the battle , he run from Athens to Sparta (246 km) in a day and a half (around 36 hours) , he asked Spartans for help , he slept a few hours and return back to Athens (and we can be sure that he the return trip Sparta-Athens in less than 2 days). Then he participated in the battle of Marathon , so he was fighting for an hour or 2 with full armor. Then (without getting rid of everything from his equipment) he run to Athens.
That's why it's a good idea to ride on a horse.
Horses are expensive
Be different story if he was wearing Nike zoom vaporfly 4%
I feel like I almost died just from reading about it!
that is a LONG way!
Mitochondria is the powerhouse of the cell
That is exactly word for word what my science teacher says
+Elias Borchert That's literally the most used explanation and for a good reason too
Matt Gellespie congrats u know a simple 6th grade fact
Hurray middle school science.
Matthew Gillespie
If I ever get dementia, I can count on forgetting everything including who I am, but for sure will never forget: “mitochondria is the powerhouse of the cell”
As a mere 10K runner... i totally respect Marathon athletes .
Whats your longest distance now
8 miles in an hour and ten minutes is the farthest I’ve ever run. I’m preparing to run a marathon in December and I can’t believe I’d have to do that three times and then some. It really is a mind battle, I guess
@@thisguy2973 definitely. I just did a half marathon. And mapping out another 13.1 miles through trails... I can't get my mind around it.
I used to run 5K‘s with a group of friends who used to join me for volunteering to clean up nature trails and help the elderly in retirement homes, we had The goal of working up to a 10K run but never got there
@@Common_Elandwhy did you give up?
He died because he ran to Sparta to ask for help, they denied his request because of a religious holiday, so he ran back. This totaled 280 miles. When Marathon won the battle against the Persians he then ran to Athens and died . He died because he ran over 300 miles in a matter of a few days not because he ran an easy 26.2 miles, which is not the distance. 26.2 became the distance in 1908 during the Olympics in London. You're a scientist not a historian.
well done.
have a gold sticky star
+Jon Scovell so are you saying he's a legendary marathon runner?
thanks. was going to leave the same comment.
+Jon Scovell Mic drop....
3:39 Damn good time for a first marathon!
Thank you! I owe all the credit to my running club: Gilbert's Gazelles
It's Okay To Be Smart
I hope you're not kidding :P
Youthro Nobody should be kidding. That is a great first marathon time. Beats my 3:52 first! The marathon is art and science and takes a while to figure out.
Christopher W I meant the club's name.
Youthro Oh, got you. Gilbert's Gazelles. Sorry.
2:38 Some of us have bigger 'gluteus maximus' muscles than others, but this is probably an adaption to help us facilitate better twerking.
Zachary Sprunger slows me down...prefer no jiggles and wiggles in my runs.
*Facepalm*
lol
Zachary that is the funniest thing I've heard all day!
That doesn’t entirely make sense... but mating was likely a part of it yes.
The modern distance of a marathon of 26.2 was set at the 1908 London Olympics because the finish line was not where the royal box was located. So they extended the race & place the finish line at the royal. Since then, the distance became 26.2
Prior to that the estimated distance between the Battle of Marathon to Athens is about 25 miles.
Yeah that kind of annoyed me when he said the distance from Marathon to Athens was 26.2 miles. Channel about being smart and does not give factual information
It's too bad the extra 1.2 miles was added in 1908. Otherwise, 25 miles is about 40K, a half marathon would be about 20K. Then a 10K would be a 1/4 marathon. Plus people routinely die running marathons due to the large numbers involved. Hopefully the shorter distance would have a lower death rate!
i quit smoking 13 months ago. Today i am able to run 5k in 25 minutes and planning to go further.I try to show and teach my friends and family members what is like and infect them with good habits
How was your progress in the last 6 years?
@@ftwatch76he started smoking again
I smoke and can run the same
Have you still quit or relapsed?
@@ftwatch76
I stopped at half a marathon, could not go further because knees start to hurt
Distant running is largely mental, its such a challenge. I love that about running, its you vs yourself..
This makes me want to run a marathon. Our bodies are so cool
You got the train hard as well"
Giirl, they are skinny
💞
How has that gone?
@@joaquinmaria1640 lolllll
1:29 - Found him.
lol
loling so hard
I can not find him, but I found you! Right here - facebook.com/rustynickels
DMYTRO VITVYTSKYI - Yep. That's me.
welp i just commented the same thing
i ran a 5k today
Nice one.
Ana Maria Grayson Me 10k in 59 min
HIMALAYAN WOLF i ran 10 k today and i got new personal best with 48 min
I ran a 5k in 17:04
Daniel Fajardo how do u run 5k in 17mins? Do u train often?
"tall thin bodies"
Guess I'm not a human then.
You're either a slightly subpar human or a grossly deformed Chimpanzee. Let's look on the bright side here
a lot of us are short and stubby or a lot more muscle. When he said tall and lean I felt like saying speak for yourself buddy. Not that I am a heavyweight but when other runners start calling you a Clydesdale you know you are more muscle than lean.
As I train for a half that I'm not even sure will happen, I was finding it hard to get out there today. I come to TH-cam for motivation in times like these and this did the trick today, so thanks for your story.
Apart from the odd small mistakes, that was really enjoyable. And running a 3:39 marathon like that is an incredible performance.
Ah, mitochondria, the powerhouse of the cell. Literally the one bit of biology they make sure everyone will remember before leaving school...
If I ever lose all my memory, I'm sure that will be the one thing I remember
It's actually meant to be microcondrion, the power house of the cell.(Singular)
Or microcondria the power houses of the cell. (Plural)
They put so much effort into making sure we remember it but don't even teach it right. 😂
Not in my school, idk what USAns do in their schools
@@zorubark you mean Americans
This is wonderful and amazing! I just ran my first one!!
Me 2 un december 1st, happy 2020 from Costa Rica!
@@diegoromeromora1725 Congrats to you from Singapore
Congrats
Woah it's soo cool
"
The original mileage ran by Phiddipides was actually 25 miles. The queen of England, early 1900's, wanted the Marathon to start from her balcony so she could watch it begin, thus it is now 26.2.
I run a mile everyday and occasionally 2 on the weekend, then I see this.
RIP glycogen levels.
Really enjoyed that one. I did multiple marathons, but I will always remember the very first one when I hit the wall at around 3/4 of the race. Experiencing it and overcoming it is something so unique, an amazing life experience.
This video was very well done; as was the explanation on cellular respiration.
Thanks!
It's Okay To Be Smart you are little bored in recent videos don't listen to people be the fun Joe we all know and love
3:40 on your first marathon?? Damn!
I ran my first marathon in my first semester of grad school in 2012. Everything you said about the second half if totally true. But the feeling after finishing was amazing!
Whenever you think you can't go any farther, your brain is lying to you
mbanana23456 I took that advice and passed out haha
Kelvin Robinson you only die if you let your brain tell you you're dead duh 😑😂😂
As my P.T teacher tells me, the only thing you can control is: "Attitude and effort."
mbanana23456 Best advice to give if you want someone to get themselves killed.
yep.
The original distance of the marathons used to be 25 miles. It was changed to 26.2 miles when the king of England wanted the finish line to be closer to his viewing location during the Olympics of 1908. It's quite a cool fun fact to include if you are creating a video on the subject.
I just want to point out one inaccuracy, the original marathon was based on what they thought Pheidippides which was NOT 26.2 miles, it was slightly shorter than that. But everyone makes mistakes I suppose.
there are people who watch your show like me who use metric system. i think you should use that too. after teeling us the number in miles, you could add after the number in km or meters. i hope you take it into consideration :D good luck
Marathon distance is just over 42 km. I actually try to use metric wherever possible, because science, but since 26.2 miles is the best-known number for marathons, I used it here. Wouldn't it be cool if TH-cam had an automatic unit converter?
yeah, but where could we make a petition or something for it? also, thank you for replying
It's Okay To Be Smart
Yeah, but it's not only the distance units. You also said "1400 pounds" and I can't figure out how much that is without converting to kg. C'mon guys, stop using measure units from the Middle Ages! The rest of the world already went over it! :)
AKMandingo, are you sure that's not a coincidence? I'm having trouble figuring out what the relationship is between seconds in a day to suns diameter. Anyone willing to help?
Enceladus Jones or we can use Internet and a calculator, this way we can also learn the skill of conversion instead of simple information.
Congrats on the time!
No newbie would've crossed that well!
I hope you keep up running, it keep your body sharp while your mind does its thing ;D
Thanks! This was my first full, but I've been running halfs for years, and been a runner most of my life. I hope everyone goes out and tries a distance that works for them, whether it's 100 meters or 100 miles, it does a body good
100 miles, lmao
This was a cool one. I wasn't super excited about the channel at first, but it's just been getting better and better.
Fun fact: Mitochondria is the powerhouse of the sell
CS:GO player fun fact, cell is spelled with a c
CS:GO player well then whats the powerhouse of the buy?
"big gluteus maximus muscle" a fancy way of saying butt 😁
+Archontasius BIG butt
Got them cheeks 🍑
Loved the ending! I am looking forward to running my first marathon in April and I will be documenting my journey along the way on here :)
big gluteus maximus muscles ;)
I'm well acquainted ;)
Piash Debnath the THICCCC muscle
And big calfes are important but not too big. Same goes glutimus maximus. Too much weight is also bad for long distance running.
Aren't runners usually really thin?
@@stonecat676 Of course less oxygen needed when body is thin and bodyweight low but not too low.
"That was the most fun I never want to have again" hahaha
I'm in the middle of marathon training now and I can just hear myself saying that exact same sentence when I cross the finish line!
1:04 that rotoscoping job caught my eye...
wow haven't head that in a while good vocab
"I've never run a marathon before"
"3:39"
This makes us 5 hour marathoners sad...
He only ran half a marathon
He said in a comment he often does half's and has run basically all his life.
+Я Ilan Zatonski he did a full marathon. you see him cross the marathon finishing line at the end. the half marathon line is next to it. he medal also said marathon on it. if he did a half marathon in 3.39 then he wouldn't have needed to even run.
If you run a five hour marathon you would be going really slow no offense
grant allen Some people even take 7hr for marathon. Depends on individual's stamina and body type.
1:30 i found waldo
+Yumiko
Nicely spotted
@@Goreuncle No, nicely striped!
dear god
I started running couple of months back and looking forward to train for my first half marathon. This video is encouraging by building a strong respect for our evolutionary history and our body. Kudos!
first marathon under 4 hours? awesome!
Pheidipides ran about 25 miles from Marathon to Athens, then he died. In 1908, the London Olympics, distance laid out 1.2miles to the White City Stadium, where the Queen would be able to see the finishers. "God save the Queen" Until 1908 the distance of the marathon was 25miles.
Very nicely done. I really enjoyed how you went about making this video--the presentation and involvement is extremely admirable!
Mankind was born to move--we are the current product of innumerable years of evolution. However, I feel that there is something greater that separates us from the common animal (although we are still animals ourselves): the ability to be self-aware and to think in terms of time. This gift and curse allows us to understand ourselves as individuals and as a collective to a much greater degree which opens up a universe of possibilities.
I am going down a path that I will never reverse--I want to grow and become smarter, better, and stronger with each day. If you find these words of mine to be genuine, please bring me your own knowledge and life experiences so that we may both grow. That is all, no more no less.
Hi, I hope you kept to your goals?
Correction to the video. The distance between Athens and marathon is about 25 miles. The rest was added on by the London race of 1908 in order to accommodate for the king so it would start at the Windsor castle and finish at the royal box. I'm sure those who have run one curse the king every step of that last 1 mile 365 yards.
The distance between Athens and Marathon is not 26.2 miles, Pheidippides did not run between Athens and Marathon and he did not drop dead on arrival (according to the historical record).Pheidippides ran between Marathon and Sparta, which is a round trip of 280 miles. But since then segment perpetrates a few other marathon myths it doesn't stop short of "the glucose/glycogen is the only fuel between you and the wall" paradigm.
I thought he ran from Marathon, to Sparta, to Marathon and then back to Athens where he died.
And the .2 was added to the modern marathon so it reached the royal box.
Ray Cruick No record of Pheidippides dropping dead.
Ray Cruick Yes, and an extra mile at the start so the royal children could see the start from Windsor Castle. 26 miles 385 years was adopted by the IAAF in 1921 as the official distance. That is not the distance between Athens and Marathon - which is 25 miles or even 21 depending on the route you take.
***** Thank you. I was going to say something in correction to the story by the PBS person, but I didn't have the numbers in front of me so it wouldn't have mattered.
6:35 Pain and fatigue absolutely do NOT only exist in your mind!! And we DO have limits! Try telling a doctor that. Apart from that, this video was genuinely very interesting and smart.
I struggle running 5k's I cant imagine going 5 times that distance... at once.
It’s x8 and some change
@@miguelchambers9760 yeah no thanks. hahah
I have just started running & currently I'm just trying to build my body to run a marathon,this will take a lot of time,I loved this video.
Am i the only one who started laughing when he showed clips of people hitting "the wall"?...
no your not she said she was going to die so calmly and she was so sure of it
It was just so... sudden 😂
They look like birds 😂
@@bobbobbydp8203 i laughed so hard at that clip cause that’s definitely something i’d do 😭
Joe: In this video, you cite that if you do not replenish electrolytes (Na or K) or energy (ATP) you may "hit the wall". This is true, but we believe that it is potassium and it is very difficult to replace because of the concentrations inside and outside the cell. Brian Burmaster
3:26 I'm pretty sure there is no such thing as "stored kinetic energy." If anything, it's potential
Technically, you’re right. I think what he meant was, that the kinetic energy gets transformed into potential energy and get stored that way.
Congrats on your Marathon... I hope you run many more. I ran one, messed up my plantar (the other rubber-band) and now have to stick to 10 milers. Running is a testament to one's will-power.
Plantar fasciitis?
Congratulations on your first full marathon! i really miss running... taking a back seat for a while due to PF. hope i can join races once again soon.. great info / video, thanks.
God, I love this! The idea to use himself for the demonstration of human adaptations for running - the pauses, the music, the target signs... all just genius! I was transfixed.
Correction. The whole energy gain is 30 ATP. Glycolysis makes 4 ATP, however it uses 2 so the energy gain is 2 ATP. Krebs cycle energy gain is 2 ATP and from the electron transport chain you get 28 ATP. BUT... Adding everything up you need to take under consideration that we need to subtract 2ATP that are used to transport 2 particles of NADH+H+ from the cytosol to the mitochondrion.
this was my entire AP bio course
I love how he said "we're made to run" implying design and a designer but yet chucks it up to mindless evolution.
THE MITOCHONDRIA IS THE POWERHOUSE OF THE CELL!!!!!
adza botchway Dave?
Yes I know. I'm in class 9. It's in my syllabus.
Amazing man, this year I am running my first marathon.💪🏼
Congrats Joe. I ran the Austin Half in '09 and that was enough for me. Maybe one day I'll find a way to encourage myself to get to 26.2.
I don't mean to be critical, but technically glycolysis doesn't involve the mitochondria
Fascinating video and I am at 6:51 on the left - YAY! AMAZING time by the way :)
Pretty respectable time! More effort put into this video than 99.9% of TH-cam content. Thumbs up.
This is by far the most interesting science video I've watched! On Biology, I.e.
Thank you!
"The most fun I never want to have again" is a perfect way to put it.
that's a good looking rubber band
“That was the most fun i never wanna have again.”
My large gluteus maximus doesn't help with running lol
Damn there's all these things making running easier and the difficulty is over 9000 🌋
1:27 I FOUND HIM!
I ran the Austin marathon. Was super tough. Was hot and hilly. Props for that remarkable time!
I did all this stuff as a child. Haha, I walk 10+ miles every day as a normal high school student.
I wondered why I could go out into the cold and not feel anything. I wondered why I could stay up all night and get by with 6 hours of sleep. I wondered why I could eat so much food and still be 150 lbs. I wondered why I could keep up with the sports people in the gym without training.
I was born to run long distance. I was born a marathon runner, not a sprinter. Can't wait to go train long distance at a local meetup.
You may be a scientist but you, my friend, are no historian. A couple of points.
1) Pheidippides was a day runner, referred to as hemerodrome, in Ancient Greek, by the Athenian military. These ancient couriers were responsible for running for days at a time in order to give important messages. They were designed to move swiftly and to arrive with their messages in a timely manner. They trained extensively, and they were capable of running great distances. Pheidippides was on duty the day of the fabled Battle of Marathon, which pitted the Athenian army against the Persian army. However, before the invasion, it was Pheidippides responsibility to run the 240 kilometer (150 miles) distance from Athens to Sparta to ask Sparta for their help. Sparta said they’d help but since they were in the middle of a religious festival, they were unable to leave right away. He made the journey from Athens to Sparta in about 35 hours. After he gave his message to the Spartans requesting their help, he rested for just a couple of hours and then turned around and ran the distance from Sparta to Athens to let them know that the Spartans wouldn’t be able to fight right away. They would only be able to engage in battle if the moon was full, which unfortunately wouldn’t be for another 6 days or so. Ultimately, by the time Sparta would have been ready, the outcome of the Battle of Marathon was already complete. Although the Persian army far outnumbered the Athenian army, (10,000 Athenians to the Persians some 60,000) Athens proved to have a better battle strategy and more sophisticated fighting techniques. Athens won the battle, but now it was up to Pheidippides to make the run from Marathon to Athens, a distance of 40 kilometers or a little under 25 miles. Also need I remind you this all took place is late August/early September so it was incredibly hot and he was running in full armor after just fighting in the battle. He arrived in Athens in a little under 3 hours and he gave the message explaining that Athens was victorious and then he collapsed and died from the combined exertion of that run and the 300 miles that he ran from Athens to Sparta and back.
2) The distance from Marathon to Athens is about 40 km or roughly 24.8 miles. So the olympic marathon was 24 miles that is until 1908 when the royal family wanted to see the end of the race so they added another 2.2 miles making the total 26.2 miles. Good job on trying to educate people but please educate people with all of the correct information. So long story short, no Pheidippides did not die after running 24 miles in under 3 hours. He died after running about 325 miles in a matter of about 4 days AND fighting in a battle, in the middle of Greece, in the middle of August/September. Summers in Greece back then were hot and very dry. In Northern Greece it would generally be in the 80s or 90s Fahrenheit (about 30 degrees Celsius), but in Southern Greece (Sparta area) it could get up over 100 pretty often (over 40 degrees Celsius). So imagine running 325 miles in about 4 days (on about 4 hours of sleep) in anywhere between 80-100+ heat 25 of which you’re running in full suit of armor in less than 3 hours. I might die just thinking about it. And to think if he hadn’t made that journey to Sparta so fast the Battle of Marathon could’ve gone to the Persians, thus possibly changing history and life as we know it drastically. Poor Pheidippides is all I gotta say. He drew the short stick in all of this.
It's like he he has no idea how good a time 3;40 is.
Fun fact; we have mitochondria because back when life was still tiny microorganisms swimming in the sea, some microorganisms got absorbed by others, and started producing energy for them
6:06 me after I take my finals hahahah
The most fun I never want to have again, until a day later when looking for the next race to run.
That is incorrect,
It was with the 1908 Olympics that the marathon was lengthened to 26.2 mi so the royal family could watch the finish from their box.
Agree. Marathon has only one opponent and that is yourself. This is why i love running💗
Kudos to your marathon effort. I completed my first marathon in Sydney 2011 at the same time; 3.39.38. Thanks for the heads up. wj
I want to run a marathon when I get older, atm im 14 and can run for 4 miles pretty quickly ^^
+Cloudy Soup Mate its about pacing yourself not trying to go all out at once, you must build up your distances never jump straight into a marathon/half marathon because it dosnt matter how fit you are you body wont be able to handle it without gradually building up the distance. everyone knows you never practice your race distance and of course have a lot of rest otherwise you'll pretty char your muscles and thats not good
Ebola Ebola thats exactly what my cross country coach tells us, were you/are you in cross country?
Omg same I can't wait to run the Boston marathon with my best friend, I'm also 14 btw
+Mauser sencion I'm 17 and I ran a marathon with my 14 year old teammate. You can make a special case to the race committee and they should let you. Especially if you live in Philly.
currently 16 I've ran 3 official marathons and one unofficial marathon
Anyone else notice the rubberband? 2:49
Lmao, he didn’t want to say “I beat myself”
Bro after explaining so much of how our bodies are so well built to run how do you think our creation was an accident?
Old but gold. Amazing video!
38 ATP? Are you a prokaryotic organism? :)
Jim P No, but I do have them inside each of my cells! Thanks, mitochondria!
The 38 ATP figure is a theoretical maximum per glucose, of course. In reality we don't get near that efficiency
It's Okay To Be Smart lol, yea I was being a bit snarky. In one of my courses, I talk about 38 vs 36 for theoretical maximums for prokaryotes vs. eukaryotes.
+It's Okay To Be Smart Glycolisis only last less or like a minute, the energy that you are using to run a marathon is B oxidation of lipids. it gives you 108ATP per Fatty Acid instead of 36ATP per glucose molecule, plus you only store little amounts of glycogen
+Jim P every species has a different average ratio of ATP per molecule, cows are one of the most efficient.
+It's Okay To Be Smart The mitochondria is the powerhouse of the cell.
Running is the hardest sports
Wow so many people in this video are heel-striking... It makes me cringe. I hope that they don't get joint problems..
PotHat Or shin splints! One person was actually wearing compression sleeves😱
PotHat what? That’s the natural way to run. Even Usain Bolt, the fastest man in the world, heel strikes. Professionals who can run 100+ per week also heel strike.
Jay15x8 this
You're right Jay that there are a lot of endurance athletes who heel strike and it works for them, but Usain Bolt is not one of them. Go watch slow motion video and you will see that his heels seldom even touch the ground. Bolts a sprinter anyway so it's hard to compare his form to someone who runs a marathon or an ultra.
Jay15x8 it's not the natural way to run, shoes have made us run that way
Marathon to Athens distance was originally close to 25 miles (40Km) and not 26.6miles.
I found waldo at 1:31
Nice eye, mate.
Glycolisis only last less or like a minute, the energy that you are using to run a marathon is B oxidation of lipids. it gives you 108ATP per Fatty Acid instead of 36ATP per glucose molecule, plus you only store little amounts of glycogen
Tbh I don't know how people can run that much I'm tired after like 2 minutes
A lot of people start with programmes such as Couch to 5k, then move from there. Will power, determination and a bucket of patience are key. :)
u train and build up to it, i just hit a 16:52 5k after barely being able to run for 6 minutes this at the beginning of the season
Holy cow, 16:42?! If this was 1897, you'd be close to the world record! :O
Savisto Home 16:52 and yea theres been plenty of people on my team that have beaten 16;42
Platinum Pineapple That makes my muscles hurt just thinking about it. :O You and your team have impressed this novice runner. ^_^
Knowledge supports growth.
holy shit. my first 42K (yes i use metric system) was 6 hours!! That was a really good timing!
He talks about the expansion and shock absorption of feet as well as shock absorption of muscles and tendons in our legs. But then proceeds to show a slow motion video of him running with shoes that hinder allowing those factors to work as effectively.
I hate those shoes. I love nike but their shoes is the reason for my shin splints.
He's wrong. The original run was around 25 miles. It's only been 26.2 miles for about 100 or maybe 125 years.
I ran my first full marathon last October. It was a great accomplishment. I would do it again. My time was 5 hours 38 minutes.
Nice mine was 4:38:59
I found this channel today and watched a hand full of videos so far, which i liked, but watching this one i have 2... complaints or so, that would be really easy to fix.
1. weight is not the same as force, so you can not say a force eight times our bodyweight and especially you can't tell me how much force it is by using pounds.
With this we come to the more important issue:
2. Please use SI units... there is (not) really only one Nation, that uses the Imperial system and this is the world wide web, so you might consider adding SI units in text form or even do it the other way round.
Pretty please?
Pardon my imperfect english and DFTBA
I think you're confusing weight with mass; weight actually is a force. When you step on a scale, it is measuring the amount of downward force you apply to it, which translates as weight.
okay, maybe i got this wrong in the translation, but still: if it is a force, why is it not in Newton but in a unit for mass (or is a pound not about .5 kg (a bit more))
i am a little confused right now, but thank you, for showing me the way to a misconseption of mine.
tomorrow i'll clear that up for me.
I would appreciate it, if you'd help me a little.
Force is mass multiply by acceleration. Weight is mass multiply by gravitational acceleration.
kg*m/s^2= N
lb*ft/s^2= is also force but different unit.
That first marathon in Greece was not 26 2 miles . It was like 150 miles. The modern marathon started in 1896, but the distance did not become standardized until marathon was run in London Olympics in 1908
Great video..very insightful n enjoyable to watch..Mitochondria,thank God for it.
I ran my first marathon in 2023.It was the most challenging event I have ever participated in.I was so tired when I reached the 25th km and the latter part of the race I ran on adrenalin and will power.
3.40 for a marathon?!?! I take like 8 minutes for one mile!
I take 16 :(
3 hours and 40 minutes, not 3 minutes 40 seconds
+Bones Jones ok, good, now I feel better about myself
if you would run 8 minutes per mile you would run the marathon in about 3:25
+mr.danon but no one can stay the same pace for 26miles obviously
Pheidippides actually ran close to 25 miles. It wasn't until the queen of England in the 1900s where she wanted the marathon of the Olympics to finish at her palace, extending the marathon to 26.2 miles.