2017 - 2018 X-hour race Calendar

Browse our Calendar for X-hour races (races where the duration is fixed) organized around the world among 659 races.

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659 races

Brazil Multiday Ultra Challenge

10 days
July 27, 2017 Race day in 4 months
Brazil / Sao José dos Campos
X-hour race - 10 days

24 Hours at Sunset - 24 Hour Run

10 Person Team Participants
June 20, 2015 The race has already taken place.
USA / East North Central / Indiana / Valparaiso
X-hour race - 24 hours
Relay

Helsinki Ultra Run

12H
September 17, 2016 The race has already taken place.
Finland / Southern Finland / Helsinki
X-hour race - 12 hours

That Dam Hill

12H
September 17, 2016 The race has already taken place.
Canada / Ontario / Springbank Park, London
X-hour race - 12 hours

24 Heures de Saint Fons

12H
April 15, 2017 Race day in 22 days
France / Rhône-Alpes / Rhône / Saint-Fons
X-hour race - 12 hours

Alaska Endurance Trail Run

12H
June 03, 2017 Race day in 2 months
USA / Pacific / Alaska / Fairbanks
X-hour race - 12 hours
Trail

Princes Park Running Festival

12H
June 18, 2016 The race has already taken place.
Australia / Victoria / Princes Park, Parkville
X-hour race - 12 hours
Charity Urban Trail

RUNFEST BÉKÉSCSABA 12h,6h,Marathon,Halfmarathon,10km,2km

12 H
July 22, 2017 Race day in 4 months
Hungary / Békéscsaba
X-hour race - 12 hours

S24H

12 H
September 23, 2017 Race day in 6 months
Romania / Timișoara
X-hour race - 12 hours

Running with the Devil

12 H
June 17, 2017 Race day in 3 months
USA / Mid-Atlantic / New Jersey / Vernon
X-hour race - 12 hours
NJ Trail Series Trail

Riverbank One Day Classic

12 H
February 25, 2017 The race has already taken place.
USA / Pacific / California / Riverbank
X-hour race - 12 hours
Charity

Dirty Girls

12 H Day
July 23, 2016 The race has already taken place.
Canada / Ontario / Mansfield
X-hour race - 12 hours

12h de Gourdon

October 01, 2016 The race has already taken place.
France / Midi-Pyrénées / Lot / Gourdon
X-hour race - 12 hours

24h de l'Espoir

12h de Marignane
November 03, 2017 Race day in 7 months
France / Provence-Alpes-Côte d'Azur / Bouches-du-Rhône / Marignane
X-hour race - 12 hours
Charity

24 H de Ploeren

12 H de Ploeren
December 04, 2016 The race has already taken place.
France / Brittany / Morbihan / Ploeren
X-hour race - 12 hours
Walk Charity Relay