US Ultramarathons

Browse our Ultramarathon Calendar for races organized in the USA.

1,365 races

Hachie 50 Marathon, Ultra and Relay

50k Ultra-marathon
2018-05-05 - 07:00
North America / USA / West South Central / Texas / Waxahachie
Ultramarathon
Running

Hachie 50 Marathon, Ultra and Relay

50 Mile Ultra-marathon
2018-05-05 - 05:00
North America / USA / West South Central / Texas / Waxahachie
Ultramarathon
Running

Hachie 50 Marathon, Ultra and Relay

50 Mile Ultra Relay
2018-05-05 - 05:00
North America / USA / West South Central / Texas / Waxahachie
Ultramarathon
Running

Wild Hare Trail Run

50 Mile
2018-11-17
North America / USA / West South Central / Texas / Warda
Ultramarathon
Trail Running Solo

Wild Hare Trail Run

50K
2018-11-17
North America / USA / West South Central / Texas / Warda
Ultramarathon
Trail Running Solo

Miracle Match Marathon

50K
2018-01-28 - 07:30
North America / USA / West South Central / Texas / Waco
Ultramarathon
Road Running

Lone Star 100

100K
2018-02-10 - 06:00
North America / USA / West South Central / Texas / Tom Mays Unit Trail
Ultramarathon
Trail Running Multiple loops Solo

Lone Star 100

100 Mile
2018-02-10 - 05:00
North America / USA / West South Central / Texas / Tom Mays Unit Trail
Ultramarathon
Trail Running Multiple loops Solo

Lone Star 100

100K Relay
2018-02-10 - 06:00
North America / USA / West South Central / Texas / Tom Mays Unit Trail
Ultramarathon
Trail Running Multiple loops Relay

Lone Star 100

100M Relay
2018-02-10 - 05:00
North America / USA / West South Central / Texas / Tom Mays Unit Trail
Ultramarathon
Trail Running Multiple loops Relay

Hells Hills Trail Run

50 mile
2019-04-06 - 05:00
North America / USA / West South Central / Texas / Smithville
Ultramarathon
Trail Running Solo

Hells Hills Trail Run

50 km
2019-04-06 - 06:00
North America / USA / West South Central / Texas / Smithville
Ultramarathon
Trail Running Solo
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