Follow along as Zach Bitter tries a world record for 100 miles running around a track
Friday Funny: Things most runners think or say before a race.
Reach your running goals by using an app.
Watch this trailer for NBC's new 1968 Olympics documentary.
This video shows an exciting interpretation of "road to trail."
Hundreds of runners participated in a "naked marathon" in South Korea.
Watch this compelling video about running a 100-mile race.
Does this mean Kevin Hart is now the 'fastest man in the world?' Not so fast.