US Ultramarathons

Browse our Ultramarathon Calendar for races organized in the USA.

1,418 races

Zumbro 100

April 08, 2017 The race has already taken place.
USA / West North Central / Minnesota / Zumbro Falls
Ultramarathon
Trail Night

Zion Ultras

April 21, 2017 The race has already taken place.
USA / Mountain Region / Utah / Springdale
Ultramarathon
Hilly Desert Trail Ultra Adventures

Zion Ultras

April 20, 2018 Race day in 8 months
USA / Mountain Region / Utah / Springdale
Ultramarathon
Hilly Desert Trail Ultra Adventures

Zion Ultras

April 20, 2018 Race day in 8 months
USA / Mountain Region / Utah / Springdale
Ultramarathon
Hilly Desert Trail Ultra Adventures Western States Qualifier

ZION ULTRAMARATHONS

April 21, 2018 Race day in 8 months
USA / Mountain Region / Utah / Virgin
Ultramarathon

ZION ULTRAMARATHONS

April 20, 2018 Race day in 8 months
USA / Mountain Region / Utah / Virgin
Ultramarathon

ZION ULTRAMARATHONS

April 20, 2018 Race day in 8 months
USA / Mountain Region / Utah / Virgin
Ultramarathon

Youngstown Ultra Trail Classic

September 17, 2016 The race has already taken place.
USA / East North Central / Ohio / Youngstown
Ultramarathon
Trail

Yeti Snakebite 50/50

August 27, 2017 Race day in 4 days
USA / South Atlantic / Georgia / Lithia Springs
Ultramarathon
Trail

Yellowstone-Teton Endurance Race

No race in 2016
USA / Mountain Region / Montana / West Yellowstone
Ultramarathon
Road Running Dreamchasers

Yellowstone-Teton Endurance Race

No race in 2016
USA / Mountain Region / Montana / West Yellowstone
Ultramarathon
Road Running Dreamchasers

Yazzie Ultra

November 04, 2016 The race has already taken place.
USA / Mountain Region / Arizona / Oljato-Monument Valley
Ultramarathon
Trail Charity