The tennis star ran a 3:26 on minimal training, but she's sticking with tennis.
Billy Yang follows top ultra runners in their quest for a podium spot at the recent 2014 NorthFace Endurance Challenge Championship.
This challenging exercise demands balance and strength to execute properly.
Katherine Hopper stays organized by packing early, organizing her race gear ahead of time and getting enough sleep.
The championships are heading to California after three years in Vermont.
Avoid chronic issues by strengthening your tendons and making them more resilient.
This is a great way to stretch out your glutes before a run. It’s important to concentrate on your posture, though as the video
The marathons will be one week apart on Sunday morning.
A member of a relay team out-sprinted Shitaye Gemechu at the finish line and broke the tape.
We asked several top ultrarunners a simple question — why run 100 miles?