River - Strider to 6 jumps grid

SPACING
SR, 4.5 feet, 12 inch jump, 5 feet 9 inches, 20 inch jump, 6 feet, 12 inch jump, 6 feet, 20 inch jump, 6 feet, 12 inch jump, 6 feet, jump raised progressively 12-20
Last Jump Height = two reps at 12, one rep at 14, one rep at 16, one rep at 18, one rep at 20