2017 - 2018 USA Ultramarathon Calendar in April

Browse our Ultramarathon Calendar for races organized in USA during the month of April among 170 races.

170 races

Cape Cod Trail Race - Run Forward. Give Back.

Cape Cod Trail Race - Run Forward. Give Back - Ultra
April 08, 2018 Race day in 9 months
USA / New England / Massachusetts / East Falmouth
Ultramarathon - 50 kilometers
Charity Trail

Big Turtle 50 Miler and Marathon

50 Miler
April 28, 2018 Race day in 10 months
USA / East South Central / Kentucky / Morehead
Ultramarathon - 50 miles
Trail

Trap Pond 50K, Marathon, and Half Marathon

Trap Pond 50K
April 29, 2018 To be confirmed Race day in 10 months
USA / South Atlantic / Delaware / Laurel
Ultramarathon - 50 kilometers
Altis Endurance Sports

Potawatomi Trail Runs

Potawatomi 100 Mile Trail Run
April 08, 2016 The race has already taken place.
USA / East North Central / Illinois / Pekin
Ultramarathon - 100 miles
Hilly Trail

Potawatomi Trail Runs

Potawatomi 30 Mile Trail Fun Run
April 08, 2016 The race has already taken place.
USA / East North Central / Illinois / Pekin
Ultramarathon - 30 miles
Hilly Trail Night

Potawatomi Trail Runs

Potawatomi 50 Mile Trail Run
April 08, 2016 The race has already taken place.
USA / East North Central / Illinois / Pekin
Ultramarathon - 50 miles
Hilly Trail

Run the Rock Ultra and Mini

Run the Rock Ultra
April 16, 2016 The race has already taken place.
USA / South Atlantic / North Carolina / Raven Rock State Park, Lillington
Ultramarathon - 50 kilometers
Trail

Peaks To Prairie Adventure Race

Fun Adventure
April 24, 2016 The race has already taken place.
USA / Mountain Region / Montana / Red Lodge
Ultramarathon - 68.300 miles

Vol State 500K Relay

Vol State 500K 2 Person Relay
April 29, 2016 The race has already taken place.
USA / East South Central / Kentucky / Hickman
Ultramarathon - 500 kilometers

Vol State 500K Relay

Vol State 500K 3 Person Relay
April 29, 2016 The race has already taken place.
USA / East South Central / Kentucky / Hickman
Ultramarathon - 500 kilometers

Vol State 500K Relay

Vol State 500K 4 Person Relay
April 29, 2016 The race has already taken place.
USA / East South Central / Kentucky / Hickman
Ultramarathon - 500 kilometers

NJ Ultra Festival

100K Trail Race
April 01, 2017 The race has already taken place.
USA / Mid-Atlantic / New Jersey / NJ State Fairgrounds, Augusta
Ultramarathon - 100 kilometers
NJ Trail Series Trail