IMSA WeatherTech SportsCar Championship
Sports car & endurance · International · USA and Canada
North America's premier sports car series, with GTP prototypes alongside GTD Pro and GTD GT3 cars.
2026 season
| Status | Finished |
|---|---|
| Champion | Jack Aitken (Action Express Cadillac), GTP |
| Season | Jan–Oct 3, 2026 |
| Rounds | 11 |
| Cars | GTP, GTD Pro, GTD |
2026 calendar
- Rolex 24 at Daytona Jan 22–25, 2026 · Daytona International Speedway · #7 Porsche Penske 963
- Twelve Hours of Sebring Mar 18–21, 2026 · Sebring International Raceway · #7 Porsche Penske 963
- Grand Prix of Long Beach Apr 17–18, 2026 · Streets of Long Beach
- Laguna Seca May 1–3, 2026 · WeatherTech Raceway Laguna Seca
- Detroit Grand Prix May 29–30, 2026 · Streets of Detroit
- Six Hours of The Glen Jun 25–28, 2026 · Watkins Glen International
- Canadian Tire Motorsport Park Jul 10–12, 2026 · Canadian Tire Motorsport Park
- Motul SportsCar Endurance Grand Prix Jul 30 – Aug 2, 2026 · Road America
- VIRginia International Raceway Aug 21–23, 2026 · VIRginia International Raceway
- Battle on the Bricks Sep 18–20, 2026 · Indianapolis Motor Speedway
- Petit Le Mans Sep 30 – Oct 3, 2026 · Michelin Raceway Road Atlanta · #6 Porsche Penske 963
2027 calendar
- Rolex 24 at Daytona Jan 28–31, 2027 · Daytona International Speedway
- Twelve Hours of Sebring Mar 17–20, 2027 · Sebring International Raceway
- Grand Prix of Long Beach Apr 16–17, 2027 · Streets of Long Beach
- Laguna Seca Apr 30 – May 2, 2027 · WeatherTech Raceway Laguna Seca
- Detroit Grand Prix Jun 4–5, 2027 · Streets of Detroit
- Six Hours of The Glen Jun 24–27, 2027 · Watkins Glen International
- Canadian Tire Motorsport Park Jul 9–11, 2027 · Canadian Tire Motorsport Park
- Road America 6 Hours Jul 29 – Aug 1, 2027 · Road America
- VIRginia International Raceway Aug 20–22, 2027 · VIRginia International Raceway
- Battle on the Bricks Sep 17–19, 2027 · Indianapolis Motor Speedway
- Petit Le Mans Oct 6–9, 2027 · Michelin Raceway Road Atlanta
Champions
- Jack Aitken GTP drivers · #31 Cadillac Whelen (Action Express)
- Action Express · Cadillac GTP teams & makers · Cadillac swept the GTP titles
- Neil Verhagen / Connor De Phillippi GTD Pro · #1 Paul Miller Racing BMW M4 GT3 EVO
- Russell Ward / Philip Ellis GTD · #57 Winward Mercedes-AMG · 3rd straight title
- George Kurtz / Alex Quinn / Toby Sowery LMP2 · Kurtz also won the Jim Trueman Award again
- Porsche Endurance Cup · Manufacturers', teams' and drivers' titles
GTP cars to know
- #6 Porsche Penske Porsche 963 · Laurens Vanthoor · Kévin Estre · Matt Campbell
- #7 Porsche Penske Porsche 963 · Laurin Heinrich (GTP runner-up)
- #31 Cadillac Whelen Cadillac V-Series.R · Jack Aitken · Earl Bamber
- #40 Cadillac WTR Cadillac V-Series.R · Wayne Taylor Racing
- #24 BMW M Team WRT BMW M Hybrid V8 · Sheldon van der Linde
- #60 Acura MSR Acura ARX-06 · Tom Blomqvist · pole at Acura's final GTP race