US Ultramarathons

Browse our Ultramarathon Calendar for races organized in the USA.

1,817 races

Charleston 100

2018-12-28
North America / USA / South Atlantic / South Carolina / Charleston
Ultramarathon
Road Running Solo

Tuscobia Winter Ultramarathon

80 Mile Run
2018-12-28 - 10:00
North America / USA / East North Central / Wisconsin / Park Falls
Ultramarathon
Trail Running

Tuscobia Winter Ultramarathon

160 Mile Run
2018-12-28 - 06:00
North America / USA / East North Central / Wisconsin / Park Falls
Ultramarathon
Iditarod Trail Invitational Qualifier Trail Running

Boyers Furnace

2018-12-29 - 07:30
North America / USA / South Atlantic / Virginia / Fort Valley
Ultramarathon
Trail Running Solo

Round the Bay Relay and Ultra

2018-12-29
North America / USA / South Atlantic / Florida / Fort Walton Beach
Ultramarathon
Road Running Solo

RunOrDrop 50k/30k @Norbuck Park

50K
2018-12-29
North America / USA / West South Central / Texas / Dallas
Ultramarathon
Trail Running Multiple loops Solo

The HUFF 50K Trail Run and Relay

HUFF 50K Trail Run Solo
2018-12-29 - 08:15
North America / USA / East North Central / Indiana / Albion
Ultramarathon
Trail Running Solo

The HUFF 50K Trail Run and Relay

HUFF 50K Trail Run relay
2018-12-29 - 08:00
North America / USA / East North Central / Indiana / Albion
Ultramarathon
Trail Running Relay

Buckskin Ridge

2018-12-31
North America / USA / Pacific / Washington / Winthrop
Ultramarathon
Trail Running Single loop Solo

Chinook Pass

2018-12-31
North America / USA / Ashford
Ultramarathon
Trail Running Single loop Solo

Graves Creek

2018-12-31
North America / USA / Pacific / Washington / Quinault
Ultramarathon
Trail Running Single loop Solo

La Bohn Traverse

2018-12-31
North America / USA / Pacific / Washington / Skykomish
Ultramarathon
Trail Running Point to Point Solo

Loowit Trail

2018-12-31
North America / USA / Pacific / Washington / Cougar
Ultramarathon
Trail Running Single loop Solo

Mother Mountain/Northern Loop

2018-12-31
North America / USA / Ashford
Ultramarathon
Trail Running Single loop Solo

Olympic Coast Route

2018-12-31
North America / USA / Pacific / Washington / Clallam Bay
Ultramarathon
Trail Running Point to Point Solo
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