The first Critical Mass bike ride in Trier took place on July 20, 2007 with 30 cyclists . The cyclists decided to ride now continuously every last friday of the month, startting at the Viehmarkt Platz in front of the antique roman thermal springs. Acceleration time varies (participant talk about the next starts at each ride on Facebook and Twitter).
- Critical Mass Trier
- Report of the first Critical Mass ride in Trier on July 20, 2007 (in German)
- Report from September 28, 2007 (in German)
- Critical mass Trier- auf in die 2. Saison!