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.
Watch this trailer for NBC's new 1968 Olympics documentary.
This video shows an exciting interpretation of "road to trail."
NYC Marathon champion was in a Super Bowl ad for a beer brand.
Video: "The Kiwi Twins in Kenya"
This TV ad celebrates back-of-the-pack runners.
Five trail runners helped extinguish a wildfire.