One of the biggest debates for 400 meter training is whether they should run cross country in the Fall, or do a Sunday long run. Bud Winter had his 400m sprinters run Cross Country in the fall. The theory is the long runs will kill the speed in the legs as well as make them less flexible (ever … [Read more...] about Do Long Runs Harm your Speed? Peter Snell’s Training for 1:44.3 800m WR