US Ultramarathons

Browse our Ultramarathon Calendar for races organized in the USA.

1,353 races

Zumbro 100

Zumbro Midnight 50 Mile
2018-04-14 - 00:01
North America / USA / West North Central / Minnesota / Zumbro Falls
Ultramarathon
Night Race Trail Running

Zumbro 100

Zumbro 100M
2018-04-13 - 08:00
North America / USA / West North Central / Minnesota / Zumbro Falls
Ultramarathon
Trail Running

Zion Ultras

50K
2018-04-21 - 06:00
North America / USA / Virgin
Ultramarathon
Desert Trail Running Hilly Solo

Zion Ultras

100 Mile
2018-04-20 - 06:00
North America / USA / Virgin
Ultramarathon
Desert Western States Qualifier Trail Running Hilly Solo

Zion Ultras

100k
2018-04-20 - 06:00
North America / USA / Virgin
Ultramarathon
Desert Trail Running Hilly Solo

Youngstown Ultra Trail Classic

50K
2018-09-15 - 08:00
North America / USA / East North Central / Ohio / Youngstown
Ultramarathon
Trail Running Solo

Y'OPA Halloween Costume 5K Run

2017-10-28 - 10:00
North America / USA / East North Central / Michigan / Portage
Ultramarathon
Running

Yeti Snakebite 50/50

Yeti Snakebite 50K
2017-08-27 - 08:00
North America / USA / South Atlantic / Georgia / Lithia Springs
Ultramarathon
Trail Running

Yankee Winter Trail Run

50 Mile
2018-01-06 - 06:00
North America / USA / East North Central / Michigan / Middleville
Ultramarathon
Trail Running

Yankee Winter Trail Run

50K
2018-01-06 - 08:00
North America / USA / East North Central / Michigan / Middleville
Ultramarathon
Trail Running

Yankee Springs Trail Run

Quad Marathon
2018-06-02 - 05:00
North America / USA / East North Central / Michigan / Middleville
Ultramarathon
Trail Running Solo

Yankee Springs Trail Run

Double Marathon
2018-06-02 - 06:00
North America / USA / East North Central / Michigan / Middleville
Ultramarathon
Trail Running Solo
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