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Showing championship 4,151–4,200 of 4,441 championships with the current search criteria.
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 Motorcycles |
Türkiye Motorsiklet Pist Şampiyonası | 1 of 3 rounds completed in 2025 | |
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 Cars |
Türkiye Pist Şampiyonası AVIS Türkiye Pist Şampiyonası |
3 of 5 rounds completed in 2025 | |
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Motorcycles |
TVS Asia One Make Championship | 4 of 6 rounds completed in 2025 | |
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Motorcycles |
TVS India One Make Championship | 2 of 4 rounds completed in 2025 | |
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Motorcycles |
Twin Cup | 3 of 5 rounds completed in 2025 | |
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Cars |
Twin'cup Championnat Sprints Longs | 7 of 12 rounds completed in 2025 | |
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Cars |
Twin-State Auto Racing Club | 2 of 2 rounds completed in 2025 | |
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Cars |
Twingo Cup Endurance Series | No calendar for 2025 submitted | |
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Cars |
Twin’cup Sprints | 7 of 12 rounds completed in 2025 | |
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Cars |
Type R Legacy Cup | 3 of 5 rounds completed in 2025 | |
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Cars |
U.S. Formula 5000 Revival Races | No calendar for 2025 submitted | |
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Motorcycles |
UAE Sportbike Championship DSBK Middle East Championship |
3 of 3 rounds completed in 2025 | |
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Cars |
UARA National Series | 6 of 8 rounds completed in 2025 | |
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Cars |
UARA Sportsman Series | 6 of 9 rounds completed in 2025 | |
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Cars |
UK Barn Finds Historic Stock Cars | 8 of 11 rounds completed in 2025 | |
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Cars |
UK Modifieds | 12 of 16 rounds completed in 2025 | |
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Cars |
UK National Legends Cars Championship | 6 of 7 rounds completed in 2025 | |
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Cars |
Ukrainian Circuit Racing Cup | No calendar for 2025 submitted | |
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Cars |
Ukrainian Touring Championship | No calendar for 2025 submitted | |
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Motorcycles |
Ulster Superbike Championship | 6 of 9 rounds completed in 2025 | |
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Motorcycles |
Ultimate 700 Cup Moto | 2 of 2 rounds completed in 2025 | |
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Cars |
Ultimate BMW Race | 1 of 1 round completed in 2025 | |
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Motorcycles |
Ultimate Cup Moto Vitesse Challenger 1000 | 3 of 5 rounds completed in 2025 | |
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Motorcycles |
Ultimate Cup Moto Vitesse Hypersport | 3 of 5 rounds completed in 2025 | |
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Motorcycles |
Ultimate Cup Moto Vitesse Ultimate 600 | 3 of 5 rounds completed in 2025 | |
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Cars |
Ultimate Race Series | 2 of 5 rounds completed in 2025 | |
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Cars |
Ultimate Racing Championship for Touring Cars | 4 of 7 rounds completed in 2025 | |
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Cars |
Ultimate Street Car Association | 6 of 8 rounds completed in 2025 | |
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Cars |
United Formula Ford Championship | 5 of 7 rounds completed in 2025 | |
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Motorcycles |
United States Classic Racing Association | 5 of 5 rounds completed in 2025 | |
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Cars |
United States Touring Car Championship | 8 of 12 rounds completed in 2025 | |
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Cars |
United Super Late Model Challenge | 4 of 6 rounds completed in 2025 | |
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Cars |
Upper Midwest Vintage Racing Series | 8 of 11 rounds completed in 2025 | |
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Cars |
Upstate Bomber Series | 5 of 6 rounds completed in 2025 | |
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Cars |
Upstate Modified | 5 of 6 rounds completed in 2025 | |
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Cars |
USA Late Model Series | 10 of 11 rounds completed in 2025 | |
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Cars |
USAC .25 Midgets NASCAR Youth Series |
11 of 14 rounds completed in 2025 | |
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Cars |
USAC Eastern Midget Championship | No calendar for 2025 submitted | |
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Cars |
USAC National Midget Series | No calendar for 2025 submitted | |
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Cars |
USAC Radical Focus Speed2 Midget | No calendar for 2025 submitted | |
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Cars |
USAC regional Duel in the Desert | No calendar for 2025 submitted | |
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Cars |
USAC Silver Crown | 7 of 7 rounds completed in 2025 | |
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Cars |
USF Juniors USF Juniors Presented by Continental Tire |
6 of 6 rounds completed in 2025 | |
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Cars |
USF Pro 2000 Championship USF Pro 2000 Presented by Continental Tire |
8 of 8 rounds completed in 2025 | |
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Cars |
USF2000 Championship USF2000 Presented by Continental Tire |
8 of 8 rounds completed in 2025 | |
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Cars |
USLCI West Silver State Road Course Bandolero | 1 of 1 round completed in 2025 | |
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Cars |
USLCI West Silver State Road Course Legends | 1 of 1 round completed in 2025 | |
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Cars |
USSA Mel Kenyon Midget Series | 9 of 11 rounds completed in 2025 | |
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Motorcycles |
Utah Sport Bike Association | 5 of 6 rounds completed in 2025 | |
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Cars |
UV Endurance Race Jarama Winter Endurance |
1 of 2 rounds completed in 2025 |
