Ultramarathons in Belgium
31 upcoming ultramarathons in Belgium.
24 cities
Busiest: December
From €2
Upcoming races
Your guide to ultramarathons in Belgium
There are 31 upcoming ultramarathons in Belgium, spread across 24 cities. Filter by distance or terrain to narrow things down, and save the races you like the look of.
Most take place in December, March and November. Next up is The Grand Trail of Lakes & Castles Winter - 80 km in Waimes on 7 November 2026.
Questions runners ask
How many ultramarathons in Belgium are there?
Finndu lists 31 upcoming ultramarathons in Belgium, across 24 towns and cities. The list is updated twice a day as organisers announce new races.
When is the next one?
The Grand Trail of Lakes & Castles Winter in Waimes, on 7 November 2026.
Which month has the most ultramarathons in Belgium?
December, followed by March and November.
How much does it cost to enter?
Entry starts from €2. Fees vary from race to race, so check each race page for its current price.