11.6 km | 12.2 km-effort
Trails
Baie d'Authie
Walking
Medium
Berck,
Hauts-de-France,
Pas-de-Calais,
France
16.6 km | 17.8 km-effort
3h 25min
Yes
Leq crocs 2
Walking
Medium
Saint-Quentin-en-Tourmont,
Hauts-de-France,
Somme,
France
16.9 km | 17.8 km-effort
3h 42min
Yes