The Amersfoort Marathon has been organized annually since June in 2012. The event offers distances of 5 kilometers to the 42 km marathon. For children there is a mini marathon of 1.1 km and of 2.2 km.
Along the course are various live bands and DJs. Every year about 5 to 6 thousand runners run the event. A large amount come from abroad; in 2018, runners from no fewer than 32 countries were represented.