For your speed workout, try a fartlek run/walk: After a walking or easy running warmup, run hard for 30 seconds or as long as ...

Regularly doing a mix of different types of physical activity may be best for prolonging the lifespan, but the associations aren't linear, pointing to a possible optimal threshold effect, suggests ...

Earlier in his career, the high school coach sought the secret to speed—especially fast 50s. As a high schooler, he had a teammate ultimately go a 22.4 50 free (nation’s third fastest in 1960). Later ...