Trail Les 40 Bosses — ENTRY ROUTE

16:30

120 km: 24 hours (1st loop 14 hours 30 minutes + 2nd loop 9 hours 30 minutes) · 75 km: 16 hours · 45 km: 8 hours · 20 km: 4 hours · 10 km: 2 hours 30 minutes —

as of 2026

120 km: 30 km Taverny, Sat. 10:15 p.m. · 53 km Chauvry, Sun.

2:30 a.m. · 59 km Route du Faîte 3:45 a.m. · 75 km Saint-Leu gym 7 a.m. · 93 km junction 11:20 a.m. · 95 km Taverny 11:30 a.m. · 107 km Chauvry 2 p.m. · finish 4:30 p.m.

75 km: 30 km Sat. 10:30 p.m. · 53 km Sun.

2:30 a.m. · 59 km 3:45 a.m. · finish 8 a.m.

45 km: 19 km junction 11:20 a.m. · 20 km Taverny 11:30 a.m. · 33 km Chauvry 2 p.m. · finish 4:30 p.m.

20 km: 13 km 12:10 p.m. · finish 2 p.m.

10 km: finish 4:30 p.m. — as of 2026;

miss a cut-off point and your bib and chip are taken

Décathlon d’Herblay · Gymnase « Les Dourdains », Place Foch, Saint-Leu-la-Forêt

As of 2026 —

Saturday, November 28, 10 a.m.–6 p.m. at Décathlon d'Herblay (all distances) · Saturday,

December 5, 10 a.m.–7 p.m. at the Gymnase « Les Dourdains » (all distances) · Sunday,

December 6, same gym: 45 km 7–7:30 a.m., 20 km 7–9 a.m., 10 km 11 a.m.–1 p.m.

Bib pickup for all distances is on Saturday, November 28, 2026, 10 a.m.–6 p.m. at Décathlon d'Herblay,

and on Saturday, December 5, 10 a.m.–7 p.m. at the Gymnase « Les Dourdains » on Place Foch in Saint-Leu-la-Forêt.

On Sunday, December 6, pickup at the same gym is 7–7:30 a.m. for the 45 km, 7–9 a.m. for the 20 km, and 11 a.m.–1 p.m. for the 10 km.