Bear Trail & Grizzly 100
Voeren, Flanders, Belgium
Ultramarathons in Belgium
2026 and 2027 race calendar. 9 upcoming, updated daily.
October 2026
Ultra Trail Kempen
Malle, Flanders, Belgium · Oct 31 to Nov 1, 2026
November 2026
Grand Trail des Lacs & Châteaux Winter Edition
Waimes, Wallonia, Belgium · Nov 7 to Nov 8, 2026
Olne-Spa-Olne
Olne, Wallonia, Belgium
December 2026
Terhills Trail
Dilsen-Stokkem, Flanders, Belgium · Dec 5 to Dec 6, 2026
Bastogne-Wiltz-Bastogne
Bastogne, Wallonia, Belgium
January 2027
Houffa Trail
Houffalize, Wallonia, Belgium · Jan 23 to Jan 24, 2027
February 2027
Legends Trail
Ferrières, Wallonia, Belgium
March 2027
De 100km-run
Boom, Antwerp, Belgium