US Ultramarathons

Browse our Ultramarathon Calendar for races organized in the USA.

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1,400 races

Yellowstone-Teton Endurance Race

Yellowstone-Teton 50 Mile Endurance Race
No race in 2016
USA / Mountain Region / Montana / West Yellowstone
Ultramarathon - 50 miles
Road Running Dreamchasers

Yellowstone-Teton Endurance Race

Yellowstone-Teton 100-Mile Endurance Race
No race in 2016
USA / Mountain Region / Montana / West Yellowstone
Ultramarathon - 100 miles
Road Running Dreamchasers

100 Mile Endurance Challenge

EC 100
No race in 2016
USA / Pacific / California / Corona
Ultramarathon - 101.600 miles
Charity Road Running

100 Mile Endurance Challenge

EC 50
No race in 2016
USA / Pacific / California / Corona
Ultramarathon - 51.500 miles
Charity Road Running

Nicholas Wilson Memorial Tashka Trail 50K & 25K

Nicholas Wilson Memorial Tashka Trail 50K
No race in 2017
USA / East South Central / Alabama / Coker
Ultramarathon - 50 kilometers
Trail

Potawatomi Trail Runs

Potawatomi 100 Mile Trail Run
April 08, 2016 The race has already taken place.
USA / East North Central / Illinois / Pekin
Ultramarathon - 100 miles
Hilly Trail

Potawatomi Trail Runs

Potawatomi 50 Mile Trail Run
April 08, 2016 The race has already taken place.
USA / East North Central / Illinois / Pekin
Ultramarathon - 50 miles
Hilly Trail

Potawatomi Trail Runs

Potawatomi 30 Mile Trail Fun Run
April 08, 2016 The race has already taken place.
USA / East North Central / Illinois / Pekin
Ultramarathon - 30 miles
Hilly Trail Night

Run the Rock Ultra and Mini

Run the Rock Ultra
April 16, 2016 The race has already taken place.
USA / South Atlantic / North Carolina / Raven Rock State Park, Lillington
Ultramarathon - 50 kilometers
Trail

Peaks To Prairie Adventure Race

Fun Adventure
April 24, 2016 The race has already taken place.
USA / Mountain Region / Montana / Red Lodge
Ultramarathon - 68.300 miles

Vol State 500K Relay

Vol State 500K 4 Person Relay
April 29, 2016 The race has already taken place.
USA / East South Central / Kentucky / Hickman
Ultramarathon - 500 kilometers

Vol State 500K Relay

Vol State 500K 2 Person Relay
April 29, 2016 The race has already taken place.
USA / East South Central / Kentucky / Hickman
Ultramarathon - 500 kilometers