Ultramarathons in Flanders
11 upcoming ultramarathons in Flanders, Belgium.
10 cities
Busiest: December
From €2
Upcoming races
Your guide to ultramarathons in Flanders, Belgium
There are 11 upcoming ultramarathons in Flanders, Belgium, spread across 10 cities. Filter by distance or terrain to narrow things down, and save the races you like the look of.
Most take place in December, January and March. Next up is Natuurloop Brakel - 50K in Brakel on 15 November 2026.
Questions runners ask
How many ultramarathons in Flanders, Belgium are there?
Finndu lists 11 upcoming ultramarathons in Flanders, Belgium, across 10 towns and cities. The list is updated twice a day as organisers announce new races.
When is the next one?
Natuurloop Brakel in Brakel, on 15 November 2026.
Which month has the most ultramarathons in Flanders, Belgium?
December, followed by January and March.
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.