Natuurmarathon Tessenderlo

Race facts

• The course covers 42 km.
• It takes place on a Saturday, October 17, 2026 — autumn in this part of the world.
• The closest comparable running event is The PB Project in Leuven, 32 km away, on October 4, 2026.
• 12 of the 12 most similar events take place in the same month.