Marathons in Flanders
13 upcoming marathons in Flanders, Belgium.
13 cities
Busiest: November
From €28
Upcoming races
Your guide to marathons in Flanders, Belgium
There are 13 upcoming marathons in Flanders, Belgium, spread across 13 cities. Filter by distance or terrain to narrow things down, and save the races you like the look of.
Most take place in November, February and March. Next up is Genk Marathon - Full Marathon in Genk on 1 November 2026.
Questions runners ask
How many marathons in Flanders, Belgium are there?
Finndu lists 13 upcoming marathons in Flanders, Belgium, across 13 towns and cities. The list is updated twice a day as organisers announce new races.
When is the next one?
Genk Marathon in Genk, on 1 November 2026.
Which month has the most marathons in Flanders, Belgium?
November, followed by February and March.
How much does it cost to enter?
Entry starts from €28. Fees vary from race to race, so check each race page for its current price.