US Ultramarathons

Browse our Ultramarathon Calendar for races organized in the USA.

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1,400 races

Traprock 50

Traprock 50
April 15, 2017 The race has already taken place.
USA / New England / Connecticut / Penwood State Park, Bloomfield
Ultramarathon - 50 kilometers
Trail

Woodside Crossover /Purisima Creek Crossover

Woodside Crossover 50K
April 15, 2017 The race has already taken place.
USA / Pacific / California / Woodside
Ultramarathon - 50 kilometers
Walk Trail Inside Trail Racing

DoubleTop 100

100k
April 22, 2017 The race has already taken place.
USA / South Atlantic / Georgia / Ft Mountain State Park
Ultramarathon - 100 kilometers
Hilly Fun Trail Fast

DoubleTop 100

100M
April 22, 2017 The race has already taken place.
USA / South Atlantic / Georgia / Ft Mountain State Park
Ultramarathon - 100 miles
Hilly Fun Trail Fast

The Schuylkill River 50k Relay

3 Person Relay
April 22, 2017 The race has already taken place.
USA / Mid-Atlantic / Pennsylvania / Mont Clare
Ultramarathon - 50 kilometers
Relay

Cedro Peak Ultra Marathon

45 km
April 22, 2017 The race has already taken place.
USA / Mountain Region / New Mexico / Tijeras
Ultramarathon - 45 kilometers
Charity Trail

Cedro Peak Ultra Marathon

45 Miles
April 22, 2017 The race has already taken place.
USA / Mountain Region / New Mexico / Tijeras
Ultramarathon
Charity Trail

DoubleTop 100

50K
April 22, 2017 The race has already taken place.
USA / South Atlantic / Georgia / Ft Mountain State Park
Ultramarathon - 50 kilometers
Hilly Fun Trail Fast

Leona Divide 50/50

50K
April 22, 2017 The race has already taken place.
USA / Pacific / California / Lake Hughes
Ultramarathon - 50 kilometers
UTMB Qualifier Trail

Mokelumne River Trail Running Festival

50K
April 22, 2017 The race has already taken place.
USA / Pacific / California / Valley Springs
Ultramarathon - 50 kilometers
Trail Elemental Running and Training

Leona Divide 50/50

50 Miles
April 22, 2017 The race has already taken place.
USA / Pacific / California / Lake Hughes
Ultramarathon - 50 miles
UTMB Qualifier Trail

The Schuylkill River 50k Relay

6 Person Relay
April 22, 2017 The race has already taken place.
USA / Mid-Atlantic / Pennsylvania / Mont Clare
Ultramarathon - 50 kilometers
Relay