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2021 - 2022 Ultramarathons held in the USA

2,038 races
Peak Bloodroot Ultra
500 Miles
May 06, 2021 - 07:00
North America / USA / New England / Vermont / Pittsfield
On Site Solo Trail
Running 500 miles
Orcas Island Marathon & Trail Festival
50 Miler
May 07, 2021 - 05:00
North America / USA / Pacific / Washington / San Juan County
On Site Solo Trail
Running 50 miles
Thunderbunny 50K
Thunder Combo
May 07, 2021 - 17:00 Cancelled
North America / USA / East North Central / Ohio / Athens
On Site Solo Combined races Trail
Running 62 kilometers
American River 50-mile Endurance Run
50 Miles
May 08, 2021 - 06:00
North America / USA / Pacific / California / Sacramento
On Site Solo Trail Point to Point
Running 50 miles
Chupacabra 50k
50K
May 08, 2021
North America / USA / West South Central / Texas / Quanah
On Site Solo Trail Multiple loops
Running 50 kilometers
Cowtown Marathon
50K Ultra Marathon presented by Miller Lite
May 08, 2021 - 07:00
North America / USA / West South Central / Texas / Fort Worth
On Site Solo Road
Running 50 kilometers
Dirty German Endurance Fest
50 Miler
May 08, 2021 - 08:00
North America / USA / Mid-Atlantic / Pennsylvania / Pennypack Park, Philadelphia
On Site Solo Trail
Running 50 miles
Dirty German Endurance Fest
50K
May 08, 2021 - 08:00
North America / USA / Mid-Atlantic / Pennsylvania / Pennypack Park, Philadelphia
On Site Solo Trail
Running 50 kilometers
Greenhorn Ranch Trail Run
50K
May 08, 2021
North America / USA / Pacific / California / Quincy
On Site Solo Trail
Running 50 kilometers
Greenland Trail 50k
50K Trail Race
May 08, 2021 - 07:00
North America / USA / Mountain Region / Colorado / Larkspur
On Site Solo Trail
Running 50 kilometers
Long Island Greenbelt Trail 50k
50K
May 08, 2021 - 07:30
North America / USA / Mid-Atlantic / New York / Plainview
On Site Solo Road
Running 50 kilometers
McDonald Forest Trail Run
50K Trail Run
May 08, 2021 - 08:00
North America / USA / Pacific / Oregon / Peavey Arboretum, Corvallis
On Site Solo Trail
Running 50 kilometers
Paiute Meadows Trail 50K
50K Relay
May 08, 2021
North America / USA / Pacific / California / Susanville
On Site Relay Trail
Running 50 kilometers
Paiute Meadows Trail 50K
50K Ultra
May 08, 2021
North America / USA / Pacific / California / Susanville
On Site Solo Trail
Running 50 kilometers
Popple Shoot Trail Races
62K
May 08, 2021
North America / USA / East North Central / Wisconsin / Minong
On Site Solo Trail Single loop
Running 62 kilometers
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