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21 kmtrail

Trail des Monts de Flandre 21km

Cassel, Nord

26 April 2026

21

km

~400

D+

Course

The 21km format is one of the distance options available for this race. This distance offers a unique challenge suited to runners seeking a challenging trail race. The course shares the same terrain and atmosphere as the main event, with route sections specifically designed for this format. Check the official race page for detailed route information, aid station locations, cutoff times, and mandatory gear requirements specific to the 21km distance.

Practical info

Typetrail
Estimate my time

60 seconds. Built on the ITRA / UTMB / B-Trail databases.

Find an assistant for this raceAll races Trail des Monts de Flandre