US Ultramarathons

Browse our Ultramarathon Calendar for races organized in the USA.

1,427 races

Rough Creek Trail Run

40 Miler
01/01/0000 - 07:00
North America / USA / West South Central / Texas / Glen Rose
Ultramarathon
Trail Running Multiple loops Solo

Rockledge Rumble Trail Run

50K
01/01/0000 - 07:00
North America / USA / West South Central / Texas / Grapevine
Ultramarathon
Trail Running Solo

Potawatomi Trail Runs

Potawatomi 30 Mile Trail Fun Run
04/08/2016 - 20:00
North America / USA / East North Central / Illinois / Pekin
Ultramarathon
Night Race Trail Running Hilly

Potawatomi Trail Runs

Potawatomi 50 Mile Trail Run
04/08/2016 - 06:00
North America / USA / East North Central / Illinois / Pekin
Ultramarathon
Trail Running Hilly

Potawatomi Trail Runs

Potawatomi 100 Mile Trail Run
04/08/2016 - 06:00
North America / USA / East North Central / Illinois / Pekin
Ultramarathon
Trail Running Hilly

Quest for the Crest 10km

50K
05/20/2016 - 06:00
North America / USA / South Atlantic / North Carolina / Burnsville
Ultramarathon
Mountain Trail Running Mountain

Standhope 60K

Standhope 60K
08/18/2016 - 08:00
North America / USA / Mountain Region / Idaho / Hailey
Ultramarathon
Mountain Trail Running Mountain

Continental Divide Trail Run

50K
08/27/2016
North America / USA / Mountain Region / Colorado / Steamboat Springs
Ultramarathon
Trail Running

Hideaway Hundred

Hideaway Hundred 50K
09/03/2016 - 06:00
North America / USA / Mountain Region / Colorado / Winter Park
Ultramarathon
Mountain Trail Running Mountain

Hideaway Hundred

Hideaway Hundred 100 Miler
09/03/2016 - 05:00
North America / USA / Mountain Region / Colorado / Winter Park
Ultramarathon
Mountain Trail Running Mountain

Jay Peak Trail Running Festival

Jay Peak 50K Ultra
09/03/2016 - 08:30
North America / USA / New England / Vermont / Jay
Ultramarathon
Trail Running Hilly

Hideaway Hundred

Hideaway Hundred 50 Miler
09/03/2016 - 06:00
North America / USA / Mountain Region / Colorado / Winter Park
Ultramarathon
Mountain Trail Running Mountain
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