TT Marathon
- When
- Sun, Nov 16, 2025, 5:00 AM
- Where
- Assen, NL
- Distances
- 5K · 10K · 15K · Marathon
- Terrain
- ROAD
- Price
- 27.5–453.75 EUR
- Typical weather
- Cool
- Organizer
- Stichting De Oude Weideloop
About
The TT Marathon is a special, one-time 42.2 km race held in 2025 to celebrate 100 years of the TT races and 50 years of the TT Festival in Assen. The marathon begins on the TT Circuit and takes runners through historic TT routes and the surrounding countryside before finishing in the heart of the city.