US Ultramarathons

Browse our Ultramarathon Calendar for races organized in the USA.

1,374 races

Ragnar Trail Rainier-WA

Regular
2018-08-24 - 08:00
North America / USA / Pacific / Washington / Crystal Mountain
Ultramarathon
Trail Running Relay

Ragnar Trail Rainier-WA

Ultra
2018-08-24 - 08:00
North America / USA / Pacific / Washington / Crystal Mountain
Ultramarathon
Trail Running Relay

Bulldog 50K and 25K

50 KM Ultra Run
2018-08-25 - 06:30
North America / USA / Pacific / California / Calabasas
Ultramarathon
Road Running Solo

Continental Divide Trail Run

50K
2018-08-25 - 06:00
North America / USA / Mountain Region / Colorado / Steamboat Springs
Ultramarathon
Trail Running Solo

Reveille Peak Ranch

60km
2018-08-25 - 19:00
North America / USA / West South Central / Texas / Burnet
Ultramarathon
Night Race Trail Running Solo

Ruby Mountain Relay

2018-08-25 - 03:00
North America / USA / Mountain Region / Nevada / Elko County
Ultramarathon
Trail Running Relay

Telluride Mountain Run

38 Mile
2018-08-25 - 05:00
North America / USA / Mountain Region / Colorado / Telluride
Ultramarathon
Trail Running Mountain Solo

Vertigo Night Trail Runs

52K
2018-08-25 - 19:00
North America / USA / Mountain Region / Arizona / Waddell
Ultramarathon
Night Race Trail Running Solo

E.T. Full Moon Midnight Marathon, 1/2, 10K, & 51K

51 km
2018-08-26 - 00:00
North America / USA / Mountain Region / Nevada / Rachel
Ultramarathon
Night Race Road Running Solo

Burning Man UltraMarathon

2018-08-28 - 05:00
North America / USA / Mountain Region / Nevada / Black Rock City
Ultramarathon
Running

Endurance Santa Fe

50 miles Relay
2018-09-01 - 04:00
North America / USA / Mountain Region / New Mexico / Santa Fe
Ultramarathon
Trail Running Relay

Endurance Santa Fe

50K
2018-09-01 - 07:00
North America / USA / Mountain Region / New Mexico / Santa Fe
Ultramarathon
Trail Running Solo
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