World Offshore Championship, Turkey
World Offshore Championship Offshore [powerboat racing|race]s in Turkey are organized in 20 rounds by Işıklar Holding.
The 2011 schedule was as follows:
| Round | Sea | Date |
| Istanbul Golden Horn | Marmara Sea | 9 May |
| Istanbul Golden Horn | Marmara Sea | 14 May |
| Samsun | Black Sea | 21 May |
| Samsun | Black Sea | 22 May |
| Adana | Seyhan Dam resorvoir | 28 May |
| Adana | Seyhan Dam resorvoir | 29 May |
| Erdek | Marmara Sea | 18 June |
| Erdek | Marmara Sea | 19 June |
| Tunceli | Keban Dam reservoir | 2 July |
| Elazığ | Keban Dam resorvoir | 3 July |
| Van | Lake Van | 9 July |
| Van | Lake Van | 10 July |
| Istanbul, Moda | Marmara Sea | 6 August |
| Istanbul, Moda | Marmara Sea | 7 August |
| Istanbul Golden Horn | Marmara Sea | 17 September |
| Istanbul Golden Horn | Marmara Sea | 18 September |
| Istanbul Caddebostan | Marmara Sea | 15 October |
| Istanbul Caddebostan | Marmara Sea | 16 October |
| Mersin | Mediterranean Sea | 29 October |
| Mersin | Mediterranean Sea | 30 October |
Results
- 1.place: Stihl team 3237 points
- 2.place: Beşiktaş Miele team 2332 points
- 3.place: GSYİAD Galatasaray team 1902 points