Name: Les 40 Bosses
Start: 2025-12-06
End: 2025-12-07
Location: Saint-Leu-la-Forêt

Sat - Sun Dec 6-7

Les 40 Bosses

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The Les 40 Bosses will take place in Saint-Leu-la-Forêt from Saturday 6 December 2025 to Sunday 7 December 2025. You can run between 10 and 120 kilometers.

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Sunday Jan 11

Trail de Beaumont

Beaumont-sur-Oise

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15 km

31 km

The Trail de Beaumont will take place in Beaumont-sur-Oise on Sunday 11 January 2026. You can run between 15 and 31 kilometers.

Sunday Jan 25

Trail des Marcassins - Saint-Brice-sous-Forêt

Saint-Brice-sous-Forêt

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15 km

30 km

The Trail des Marcassins - Saint-Brice-sous-Forêt will take place in Saint-Brice-sous-Forêt on Sunday 25 January 2026. You can run between 15 and 30 kilometers.

Sat - Sun Jan-Feb 31-1

Maxicross Bouffémont

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The Maxicross Bouffémont will take place in Bouffémont from Saturday 31 January 2026 to Sunday 1 February 2026. You can run between 10 and 42 kilometers.

Sat - Sun Apr 11-12

Trail Tour du Massif Montmorencéen (2T2M)

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The Trail Tour du Massif Montmorencéen (2T2M) will take place in Montlignon from Saturday 11 April 2026 to Sunday 12 April 2026. You can run between 10 and 81 kilometers.

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