Smashing Marathon PBs

(skip to minute 8:51 for the start of the talk)
Jeff Campbell takes us through his training that led up to his 2;29 in Berlin and how he systematically trained to achieve his goal.
#marathonrunning #marathon #roadrunning #
#trailrunning #trailrunninghk #happyrunners #gonerunning_hk #gonerunningworkshop #gonerunners #johnellis #jeffcampbell #running #runningtechnique #trainingplan #PB #race