US Ultramarathons

Browse our Ultramarathon Calendar for races organized in the USA.

1,455 races

Salem Lake Shore Frosty Fifty

50K
01/06/2018
North America / USA / South Atlantic / North Carolina / Winston-Salem
Ultramarathon
Seaside / Lakeside Trail Running Solo

Salem Lake Shore Frosty Fifty

50K Relay
01/06/2018 - 08:00
North America / USA / South Atlantic / North Carolina / Winston-Salem
Ultramarathon
Seaside / Lakeside Running Relay

Salem Lakeshore Frosty Fifty 50k, 25k, and 50k Relay

Salem Lakeshore Frosty 50k Relay
01/06/2018 - 08:00
North America / USA / South Atlantic / North Carolina / Winston Salem
Ultramarathon
Trail Running

Salem Lakeshore Frosty Fifty 50k, 25k, and 50k Relay

Salem Lakeshore Frosty 50k
01/06/2018 - 08:00
North America / USA / South Atlantic / North Carolina / Winston Salem
Ultramarathon
Running

San Tan Scramble Trail Runs

50K
01/06/2018 - 07:00
North America / USA / Mountain Region / Arizona / Queen Creek
Ultramarathon
Trail Running

Watchung Winter Ultra and Trail Races

50K
01/06/2018 - 08:00
North America / USA / Mid-Atlantic / New Jersey / Mountainside
Ultramarathon
Trail Running

Watchung Winter Ultras

Watchung Winter Ultras Trail 50k
01/06/2018 - 08:00
North America / USA / Mid-Atlantic / New Jersey / Watchung Reservation
Ultramarathon
Trail Running

Wild Azalea Trail Challenge

50 Mile
01/06/2018 - 06:00
North America / USA / West South Central / Louisiana / Alexandria
Ultramarathon
Trail Running

Wild Azalea Trail Challenge

27 Mile
01/06/2018 - 08:30
North America / USA / West South Central / Louisiana / Alexandria
Ultramarathon
Trail Running

Yankee Winter Trail Run

50 Mile
01/06/2018 - 06:00
North America / USA / East North Central / Michigan / Middleville
Ultramarathon
Trail Running

Yankee Winter Trail Run

50K
01/06/2018 - 08:00
North America / USA / East North Central / Michigan / Middleville
Ultramarathon
Trail Running

Bridle Trails Winter Running Festival

50K Pair
01/13/2018 - 15:00
North America / USA / Pacific / Washington / Bridle Trails State Park
Ultramarathon
Trail Running Multiple loops Relay
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