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Trail Running Calendar Ain 2026-2027

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Explore the best trail runs in Departement Ain for 2026-2027! Our updated list features 31 exciting trail runs across the region. Find your next trail run in Departement Ain below and join the trail community at these great events!

September 2026
Sep
20
Su

Saint So Course

Trail Run 11 km 23 km Marathon
Sep
20
Su

Le Sentier des Lônes

Trail Run 10 km 15 km
Sep
26
Sa

La Nuit AJT

Trail Run 5 km 10 km Half Marathon
Sep
26
Sa

Ultra Trail Grand Colombier

Trail Run UTMB 20K/50K/100K/100M 10 km 16 km ... 80 km 120 km
Sep
26
Sa

Les Foulées du Chateau

Road Race Trail Run 5 km 10 km 18 km
Sep
27
Su

La Ruée des Fadas - Lyon

Obstacle Run 8 km
Sep
27
Su

Course du Château - Prévessin-Moëns

Road Race Trail Run 10 km
Sep
27
Su

Foulée de Chevry

Road Race Trail Run 7 km 10 km
October 2026
Oct
1-4
Th - Su

Ultra Trail des Montagnes du Jura (UTMJ)

Trail Run UTMB 20K/50K/100K/100M ITRA 1–6 10 km 20 km ... 175 km 300 km
A multi distance trail event in the Montagnes du Jura offering races from 10 km to 300 km relay with elevation data and a Kids program in early October 2026.
Oct
4
Su

Jasseronnai'se Trails

Trail Run 9 km 20 km 43 km
Oct
11
Su

La Neyrolande

Trail Run UTMB 20K 11 km 22 km 33 km
Oct
11
Su

Trail La-Cley du Coeur

Trail Run 10 km 22 km
Oct
11
Su

La Seillonnaise

Trail Run 10 km 17 km
Oct
17
Sa

Trail de La Côtière

Trail Run 9 km 14 km 23 km
Oct
17
Sa

Urban Trail Oyonnax

Urban Trail 6 km 12 km 24 km
Oct
17
Sa

Courge à pied

Trail Run 10 km
Oct
18
Su

Défi de Fort l'Ecluse

Trail Run UTMB 20K 12 km 19 km
Oct
18
Su

Triathl'ain

Trail Run 17 km 35 km
Oct
18
Su

La Burgienne

Trail Run 5 km 10 km 15 km
Oct
24
Sa

La Course à l'Envers

Trail Run 20 km
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