Tom Hendrikse and Mascha Rondhuis won the second TT Marathon in Assen. They ran the 42.195-kilometre race from the TT Circuit to Assen city centre and both set new course records.

Hendrikse finished in 2:23:03 and Rondhuis in 2:49:44. An earlier report also named Niels Grote Beverborg as a winner, without specifying the distance or category.