National Ultra Endurance Epic 100 Mile MTB Race Series 2025

The National Ultra Endurance Epic 100 Mile Mountain Bike Race Series (NUE Epic Series) are America's premier ultra endurance mountain bike race series. The NUE Series are open to all riders, from amateurs to professionals and offer the option to compete in either the 100-mile Epic series or the shorter 50-mile/100k Marathon series.

Simply add your selection instantly to your cycling calendar « my Calendar » if you plan to participate and synchronize it with your phone, ... or « my Bucket List » if you would like to participate one day and we will inform you whenever a next edition of those events is announced, date changes, … read more

2025

15

Mar

True Grit Epic Mountain Bike Race

United States Santa Clara mtb - race

161 80

Apr

26

Sat

The Cohutta Races

United States Copperhill mtb - race

161 105 48

May

17

Sat

Mohican Mountain Bike 100

United States Loudonville mtb - race, XCM marathon

161 100

Jun

7

Sat

La Gigante de Piedra

Spain Sant Joan de Moró mtb - XCM marathon

200 116

Jul

19

Sat

High Cascades 100 MTB Race

United States Bend mtb - race

161

Jul

26

Sat

Wilderness 101 Mountain Bike Race

United States Coburn mtb - race, XCM marathon

163 100

Aug

30 -31

Sat-Sun

Shenandoah Mountain 100

United States Mount Solon mtb - race, XCM marathon

161 100

Sep

13

Sat

Big Bear Grizzly Ultra Endurance Race

United States Big Bear Lake mtb - race, XCM marathon, ride

100 75

Sep

20

Sat

Marji Gesick MTB Adventure

United States Ishpeming mtb - race, ultra

322 161 80

Oct

12

Sun

Cruce del Istmo

Panama Panamá mtb - XCM marathon

120 60

Oct

18

Sat

Oak Ass 100 Endurance Race

United States Pelham mtb - race

161 121 80 40