Latest about Ultra Marathons
UTMB live: "I feel terrible" – Walmsley wins in under 20 hours, crushes Jornet's record
The US runner says he's just standing on the shoulders of the female US winners who have come before him at the UTMB
UTMB live: Could Jim Walmsley be the first American man to win?
First place for both the men's and women's race could be scooped up by American runners
UTMB live: Courtney dominates, Tom’s out – who's in the lead this morning?
We’re reporting live from ultra’s biggest event in Chamonix
Live from UTMB: who’s starting this weekend, and who’s the favorite to win?
We’re reporting live from Chamonix on one of the world’s most challenging trail races
What is the UTMB? Meet trail running’s most difficult race
We answer all of your questions about this hellacious footsport event
What is a backyard ultra? A quick guide to the quirky sport
How to run a backyard ultra and other tips for success
Ultra marathoner disqualified after GPS data reveals she used a car
Joasia Zakrzewski covered a mile in under two minutes during the GB Ultras Manchester to Liverpool race
Feeling indestructible? Meet the Grand Slam of Ultrarunning
The Grand Slam of ultrarunning requires you to run 400 miles and climb nearly 70,000ft over some of the most grueling (but beautiful) trails in the US
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