2017 - 2018 Challenge Natura Trail Race Calendar

Browse our Marathons, Half Marathons, Ultra marathons, Multiday events organized around the world bearing the tag Challenge Natura Trail among 13 races.

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13 races

Trail du Haut Planet

Trail du Haut Planet - 20 km
October 22, 2017 Race day in 4 months
France / Ile de France / Yvelines / Poigny la Forêt
10 km race to Half Marathon - 20 kilometers
Trail Challenge Natura Trail

Trail du Haut Planet

Trail du Haut Planet - 35 km
October 22, 2017 Race day in 4 months
France / Ile de France / Yvelines / Poigny la Forêt
Half Marathon to Full Marathon - 35 kilometers
Trail Challenge Natura Trail

Les Flambeaux

10 km
November 11, 2017 Race day in 5 months
France / Ile de France / Yvelines / Montfort L'Amaury
10k race
Walk Trail Challenge Natura Trail Night

Les Flambeaux

18 km
November 11, 2017 Race day in 5 months
France / Ile de France / Yvelines / Montfort L'Amaury
10 km race to Half Marathon - 18 kilometers
Trail Challenge Natura Trail Night

Trail l'hivernale

12 km
January 29, 2017 The race has already taken place.
France / Ile de France / Yvelines / Etangs de Hollande
10 km race to Half Marathon - 12 kilometers
Trail Challenge Natura Trail

Trail l'hivernale

24 km
January 29, 2017 The race has already taken place.
France / Ile de France / Yvelines / Etangs de Hollande
Half Marathon to Full Marathon - 24 kilometers
Trail Challenge Natura Trail

Trail du Josas

12 km
April 02, 2017 The race has already taken place.
France / Ile de France / Yvelines / Jouy-en-Josas
10 km race to Half Marathon - 12 kilometers
Walk Trail Challenge Natura Trail

Trail du Josas

20 km
April 02, 2017 The race has already taken place.
France / Ile de France / Yvelines / Jouy-en-Josas
10 km race to Half Marathon - 20 kilometers
Trail Challenge Natura Trail

Trail du Josas

35 km
April 02, 2017 The race has already taken place.
France / Ile de France / Yvelines / Jouy-en-Josas
Half Marathon to Full Marathon - 35 kilometers
Trail Challenge Natura Trail

Trail du Josas

50 km
April 02, 2017 The race has already taken place.
France / Ile de France / Yvelines / Jouy-en-Josas
Ultramarathon - 50 kilometers
Trail Challenge Natura Trail

Trail des Cerfs (La Queue les Yvelines)

Trail des Cerfs - 20 km
May 14, 2017 The race has already taken place.
France / Ile de France / Yvelines / La Queue les Yvelines
10 km race to Half Marathon - 20 kilometers
Trail Challenge Natura Trail

Trail des Cerfs (La Queue les Yvelines)

Trail des Cerfs - 35 km
May 14, 2017 The race has already taken place.
France / Ile de France / Yvelines / La Queue les Yvelines
Half Marathon to Full Marathon - 35 kilometers
Trail Challenge Natura Trail