- Supermoto World Championship
- UEM European Supermoto Championship
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| S1 calendar 2008 |  | | Date | Grand Prix | Venue |  | Sunday, April 13, 2008 | Italy | Torino | |  | Sunday, May 25, 2008 | Europe | Castelletto di Branduzzo | |  | Sunday, June 22, 2008 | Spain | Valladolid | | | Sunday, July 13, 2008 | Sardegna (ITA) | Olbia | |  | Sunday, August 24, 2008 | Austria | Greinbach | | | Sunday, September 21, 2008 | Spain | TBA | | | Sunday, October 05, 2008 | Alpi di Mare (ITA) | Busca | |  | Sunday, October 19, 2008 | Greece | Athens | | | Supermoto of Nations | | | |  | 12 Oct 2008 | Bulgaria | Pleven | |
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