2018 - 2019 North America Ultramarathon Calendar

Browse our Ultramarathon Calendar for races organized in North America among 1707 races.

1,707 races

Bear 100

2018-09-28 - 06:00
North America / USA / Mountain Region / Utah / Logan
Ultramarathon
Mountain Western States Qualifier Trail Running Mountain Solo

J&J Race and Trail Running Reunion

100K
2018-09-28 - 20:00
North America / USA / West South Central / Texas / Rocksprings
Ultramarathon
Trail Running Solo

Ragnar Relay Washington D.C.

2018-09-28
North America / USA / South Atlantic / Maryland / Cumberland
Ultramarathon
Trail Running Relay

Reebok Ragnar Michigan

2018-09-28 - 06:00
North America / USA / East North Central / Michigan / Muskegon
Ultramarathon
Road Running Relay

The Yeti 100 Mile Endurance Run

2018-09-28 - 07:00
North America / USA / South Atlantic / Virginia / Abingdon
Ultramarathon
Trail Running Solo

American Birkebeiner Trail Run

100 km
2018-09-29 - 05:30
North America / USA / East North Central / Wisconsin / Hayward
Ultramarathon
Trail Running Solo

Blazing 7s

50K
2018-09-29 - 07:30
North America / USA / West South Central / Texas / Cat Spring
Ultramarathon
Trail Running Solo

Blazing 7s

100K
2018-09-29 - 07:00
North America / USA / West South Central / Texas / Cat Spring
Ultramarathon
Trail Running Solo

Blazing 7's Trail Run

100k
2018-09-29 - 08:00
North America / USA / West South Central / Texas / Cat Spring
Ultramarathon
Trail Running Solo

Blazing 7's Trail Run

50k
2018-09-29 - 08:15
North America / USA / West South Central / Texas / Cat Spring
Ultramarathon
Trail Running Solo

Blood Rock 100 Mile & 50 Mile

100 Miler
2018-09-29 - 05:00
North America / USA / East South Central / Alabama / Oak Mountain State Park, Lakeside Pavilion
Ultramarathon
Trail Running Solo

Blood Rock 100 Mile & 50 Mile

50 Miler
2018-09-29 - 05:00
North America / USA / East South Central / Alabama / Oak Mountain State Park, Lakeside Pavilion
Ultramarathon
Trail Running Solo
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