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Marathon Calendar Bretagne 2025-2026

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Monthly updates for Bretagne

Get new running races (and updates) in your inbox every month.

Explore the best marathons in Region Bretagne for 2025-2026! Our updated list features 10 exciting races across the region. Find your next race in Region Bretagne below and join the running community at these great events!

March 2026
Mar
27-28
Fr - Sa

Trail des Vallées

Trail Run 12 km 16 km ... 67 km 115 km
Mar
28
Sa

Trail du Kreiz Breizh

Trail Run 10 km 18 km ... 66 km 100 km
Trail du Kreiz Breizh
April 2026
Apr
4
Sa

Semi-Marathon de Crevin

11 km Half Marathon Marathon 100 km
Semi-Marathon de Crevin
Apr
5
Su

Trail La Trace - Trégunc

Trail Run 11 km 27 km Marathon 65 km
Trail La Trace - Trégunc
May 2026
May
2
Sa

Trail des Landes du Loup

Trail Run 3 km 8 km ... 26 km Marathon
Trail des Landes du Loup
May
2
Sa

Ultra Trail des Monts d'Arrée

Trail Run 13 km 22 km Marathon 65 km
May
31
Su

Marathon Loudéac-Pontivy

5 km 10 km Half Marathon Marathon
Marathon Loudéac-Pontivy
June 2026
Jun
28
Su

La Transléonarde

Trail Run 14 km 20 km ... 23 km Marathon
La Transléonarde
August 2026
Aug
23
Su

Marathon des Étoiles de la Baie

14 km Half Marathon Marathon
Marathon des Étoiles de la Baie
October 2026
Oct
17-18
Sa - Su

Marathon Vert Rennes

5 km 10 km Marathon