Ross Chastain will again join JR Motorsports for select O’Reilly Auto Parts Series events in 2026, strengthening the partnership with Trackhouse Racing. This move, involving the Ross Chastain JR Motorsports 2026 collaboration, will also see Shane van Gisbergen return, both sharing the No. 9 Chevrolet next season.
Strong Showings in the 2025 Season
During the 2025 season, Chastain and van Gisbergen entered eight total races together. Shane van Gisbergen notably secured a win at the Chicago Street Course, and followed up with a second-place finish behind Connor Zilisch at Sonoma Raceway. Ross Chastain performed consistently, earning three top-five outcomes across five starts, including leading a race-best 120 laps at Iowa Speedway. Their success highlighted the strength of the partnership and showcased their abilities across various tracks.
The No. 9 Chevrolet to Be Shared Again
The No. 9 Chevrolet, which competed in ten races during 2025, will once again be co-driven by Chastain and van Gisbergen in the upcoming season. The arrangement aims to build on their momentum and continue delivering competitive performances for JR Motorsports and Trackhouse Racing.
“Another round with the boys from the (Track)house.@RossChastain and @shanevg97 return to the No. 9 Chevrolet for select races in 2026. pic.twitter.com/6JsEj3K904”
— JR Motorsports (@JRMotorsports)
Looking Ahead to the Upcoming Season
This ongoing partnership positions both drivers and teams for continued success as they prepare for 2026. With past achievements on tracks like Iowa Speedway, Sonoma Raceway, and the Chicago Street Course, the collaboration between Chastain, van Gisbergen, JR Motorsports, and Trackhouse Racing is expected to generate further excitement in the O’Reilly Auto Parts Series next year.
Another round with the boys from the (Track)house.@RossChastain and @shanevg97 return to the No. 9 Chevrolet for select races in 2026. pic.twitter.com/6JsEj3K904
— JR Motorsports (@JRMotorsports) October 21, 2025
