# Jack Aitken Clinches 2026 IMSA Championship

> Jack Aitken and No. 31 Cadillac secure 2026 IMSA GTP championship with Petit Le Mans start.
- Title: Jack Aitken Clinches 2026 IMSA Championship · Road & Track
- Summary: Jack Aitken and No. 31 Cadillac secure 2026 IMSA GTP championship with Petit Le Mans start. Jack Aitken and the No. 31 Cadillac Whelen team clinch the 2026…
- Keywords: jack aitken, no 31 cadillac, whelen, imsa, gtp, petit le mans, drivers championship, road atlanta, cars, sports, Jack, Aitken
- Source: Road & Track — https://roadandtrack.com/news/a74005862/jack-aitken-no-31-cadillac-whelen-clinch-2026-imsa-gtp-championship-with-petit-le-mans-start
- Author: Victoria Beaver
- Published: 2026-10-03T17:17:03+00:00
- Read time: 1 min
- Topics: jack aitken, no 31 cadillac, whelen, imsa, gtp, petit le mans, drivers championship, road atlanta, cars, sports
## Championship secured
Jack Aitken and the No. 31 Cadillac Whelen team clinch the 2026 IMSA GTP drivers' championship with Petit Le Mans start.
## Two race wins
The No. 31 won two races this season, back-to-back this summer, with a sprint win at Detroit Sports Car Classic followed by an endurance win at Sahlen's Six Hours of The Glen.
## Consistency wins
The No. 31 only missed the podium in one race this season, adding four second-place finishes and one third-place finish to its two wins.
## Porsche Penske slide
The No. 7 Porsche Penske team won the 24 Hours of Daytona and 12 Hours of Sebring before hitting a six-race slide with no podium finishes.
## Aitken leads
Aitken sits alone at the top of the driver’s championship with Earl Bamber as his only full-time teammate.
## Championship clinched
The No. 31 clinched the 2026 IMSA GTP drivers' championship with a Petit Le Mans start.
## Key takeaway

Jack Aitken and the No. 31 Cadillac Whelen team clinch the 2026 IMSA GTP drivers' championship after winning Petit Le Mans.