2017 - 2018 USA Trail Ultramarathon Calendar

Browse our Ultramarathon Calendar for races organized in USA bearing the tag Trail among 953 races.

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953 races

Flint Hills Trail 40 Mile & Marathon

Flint Hills Trail 40 Mile
No race in 2016
USA / West North Central / Kansas / Ottawa
Ultramarathon - 40 miles
Trail

Nicholas Wilson Memorial Tashka Trail 50K & 25K

Nicholas Wilson Memorial Tashka Trail 50K
No race in 2017
USA / East South Central / Alabama / Coker
Ultramarathon - 50 kilometers
Trail

Fishline 50K/25K

Fishline 50K
February 21, 2016 The race has already taken place.
USA / Pacific / Washington / Port Gample
Ultramarathon - 50 kilometers
Trail

Dances with Dirt Green Swamp

DWD Green Swamp 50K
March 12, 2016 The race has already taken place.
USA / South Atlantic / Florida / Dade City
Ultramarathon - 50 kilometers
RunningFit Flat Trail

Dances with Dirt Green Swamp

DWD Green Swamp 50M
March 12, 2016 The race has already taken place.
USA / South Atlantic / Florida / Dade City
Ultramarathon - 50 miles
RunningFit Flat Trail

Terrapin Mountain 50K & 1/2 Marathon

Terrapin Mountain 50km
March 19, 2016 The race has already taken place.
USA / South Atlantic / Virginia / Sedalia
Ultramarathon - 50 kilometers
Trail Eco-x Sports

Canyon Meadow Trail Run (March)

Canyon Meadow 50 Km Trail Run (March)
March 20, 2016 The race has already taken place.
USA / Pacific / California / Oakland
Ultramarathon - 50 kilometers
Coastal Trail Runs Hilly Trail

Badger Mountain Challenge

Badger Mountain Challenge 100 Mile Endurance Run
March 25, 2016 The race has already taken place.
USA / Pacific / Washington / Kennewick
Ultramarathon - 100 miles
UTMB Qualifier Trail Mountain

Badger Mountain Challenge

Badger Mountain Challenge 50 Mile Ultramarathon
March 25, 2016 The race has already taken place.
USA / Pacific / Washington / Kennewick
Ultramarathon - 50 miles
Trail Mountain

Badger Mountain Challenge

Badger Mountain Challenge 50k Ultramarathon
March 26, 2016 The race has already taken place.
USA / Pacific / Washington / Kennewick
Ultramarathon - 50 kilometers
Trail Mountain

Barkley Marathons

Barkley Marathons - 100 Mile Run
April 02, 2016 The race has already taken place.
USA / East South Central / Tennessee / Frozen Head State Park
Ultramarathon - 100 miles
Invitation only Trail Mountain

Barkley Marathons

Barkley Marathons - 60 Mile Fun Run
April 02, 2016 The race has already taken place.
USA / East South Central / Tennessee / Frozen Head State Park
Ultramarathon - 60 miles
Invitation only Trail Mountain

Tanana River Challenge

Tanana River Challenge 45 Mile
April 02, 2016 The race has already taken place.
USA / Pacific / Alaska / Fairbanks
Ultramarathon - 45 miles
Trail Snow

Potawatomi Trail Runs

Potawatomi 150 Mile Trail Run
April 08, 2016 The race has already taken place.
USA / East North Central / Illinois / Pekin
Ultramarathon - 150 miles
Hilly Trail

Bull Run Run 50 Mile

April 09, 2016 The race has already taken place.
USA / South Atlantic / Virginia / Clifton
Ultramarathon - 50 miles
Trail