For the Nurburgring, they have events and amateur races they put on: https://radamring.de/en/disciplines/24h-bike-race/ https://radamring.de/en/disciplines/24h

For the Nurburgring, they have events and amateur races they put on: https://radamring.de/en/disciplines/24h-bike-race/ https://radamring.de/en/disciplines/24h-bike-race/