US Ultramarathons

Browse our Ultramarathon Calendar for races organized in the USA.

1,450 races

Silver Falls Trail Runs

November 04, 2017 The race has already taken place.
USA / Pacific / Oregon / Silverton
Ultramarathon
Trail

Stone Cat Races

November 04, 2017 The race has already taken place.
USA / New England / Massachusetts / Ipswich
Ultramarathon
Trail

Fire on the Mountain

November 05, 2017 The race has already taken place.
USA / South Atlantic / Maryland / Flintstone
Ultramarathon
Trail Relay

Feat to the Beach 200 Mile Relay

November 10, 2017 The race has already taken place.
USA / Pacific / California / Fresno
Ultramarathon

Feat to the Beach 200 Mile Relay

November 10, 2017 The race has already taken place.
USA / Pacific / California / Fresno
Ultramarathon

Florida Xtreme Triathlon

November 10, 2017 The race has already taken place.
USA / South Atlantic / Florida / Crystal River
Ultramarathon

Franklin Mountains Trail Run

November 10, 2017 The race has already taken place.
USA / West South Central / Texas / El Paso
Ultramarathon

Ragnar Trail Los Coyotes-CA, Presented by Salomon

November 10, 2017 The race has already taken place.
USA / Pacific / California / Warner Springs
Ultramarathon
Trail

Run Amok

November 10, 2017 The race has already taken place.
USA / East South Central / Tennessee / Harrison
Ultramarathon

Run Amok

November 10, 2017 The race has already taken place.
USA / East South Central / Tennessee / Harrison
Ultramarathon

Run for the Veterans 2017 - 12 Hour Fundraiser for Team RWB

November 10, 2017 The race has already taken place.
USA / South Atlantic / South Carolina / Myrtle Beach
Ultramarathon
Charity

Colossal-Vail 50/50

November 11, 2017 The race has already taken place.
USA / Mountain Region / Arizona / Vail
Ultramarathon
Desert Trail