An unpublished letter by athletes from "Ma's Army" could have massive implications on many track and field records.
Despite a series of setbacks, the 31-year-old, 2:10 marathoner believes he has what it takes to be in the mix.
The 29-year-old will make his debut on American marathoning's biggest stage.
This aerobic threshold workout can easily be modified for runners of various ability levels.
We caught up with the American half-marathon record holder after his recent retirement announcement.
The half marathon had been the fastest growing race distance in the U.S. and here's why.
The 33-year-old set the American record in the half marathon nine years ago this weekend.
The 89-page report reveals evidence of more wrongdoing by IAAF leadership.
Get your running habit started right with this time-tested advice.
Build race-specific strength and endurance and improve your mental game with this challenging workout.