2018 - 2019 North America Ultramarathon Calendar

Browse our Ultramarathon Calendar for races organized in North America among 1504 races.

1,504 races

Rosaryville 10k, 10M, 25k, 50k Trail Runs

50k Trail Runs
2018-07-22
North America / USA / South Atlantic / Maryland / Rosaryville State Park
Ultramarathon
Trail Running Solo

Badwater Ultramarathon

2018-07-23 - 06:00
North America / USA / Pacific / California / Lone Pine
Ultramarathon
Desert Mountain Road Running Mountain Solo

Ouray 100 Mile Endurance Run

102.1 Miles
2018-07-27 - 08:00
North America / USA / Mountain Region / Colorado / Ouray
Ultramarathon
Mountain Trail Running Mountain Solo

Audi Power of Four Trail Run

50K
2018-07-28 - 06:00
North America / USA / Mountain Region / Colorado / Aspen
Ultramarathon
Trail Running Solo

Harding Hustle

50K
2018-07-28 - 06:00
North America / USA / Pacific / California / Modjeska Canyon
Ultramarathon
Mountain Trail Running Mountain Solo

Hot, Hilly, Hairy Ultra Solo & Relay

50K Relay
2018-07-28 - 06:00
North America / USA / East North Central / Wisconsin / Kenosha
Ultramarathon
Trail Running Hilly Relay

Hot, Hilly, Hairy Ultra Solo & Relay

50K
2018-07-28 - 06:00
North America / USA / East North Central / Wisconsin / Kenosha
Ultramarathon
Trail Running Hilly Solo

Hot, Hilly, Hairy Ultra Solo & Relay

85K Relay
2018-07-28 - 06:00
North America / USA / East North Central / Wisconsin / Kenosha
Ultramarathon
Trail Running Hilly Relay

Hot, Hilly, Hairy Ultra Solo & Relay

85K
2018-07-28 - 06:00
North America / USA / East North Central / Wisconsin / Kenosha
Ultramarathon
Trail Running Hilly Solo

Hot, Hilly, Hairy Ultra Solo & Relay

100K
2018-07-28 - 06:00
North America / USA / East North Central / Wisconsin / Kenosha
Ultramarathon
Trail Running Hilly Solo

Lost Turkey Trail

50 Miler
2018-07-28 - 04:00
North America / USA / Mid-Atlantic / Pennsylvania / Blue Knob
Ultramarathon
Trail Running Solo

Never Summer 100km

2018-07-28 - 05:30
North America / USA / Mountain Region / Colorado / Gould
Ultramarathon
Western States Qualifier Trail Running Mountain Solo
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