The NASCAR Cup Series returns to Chicagoland Speedway for the first time since 2019 this weekend. Here’s the complete 39-driver entry list, including several notable open entries and the latest In-Season Challenge matchups.

The NASCAR Cup Series heads back to Chicagoland Speedway this weekend for the first time since 2019, and the full entry list is officially set.

Thirty-nine drivers are entered for Sunday’s eero 400, meaning every car will make the field. While there won’t be any qualifying drama surrounding who makes the race, there are still several notable storylines to watch, including Corey Heim’s return to the No. 67 Toyota, Connor Zilisch’s latest Cup Series start, and Shane van Gisbergen looking to build on his dominant Sonoma victory.

The race also serves as the second round of NASCAR’s 2026 In-Season Challenge, adding another layer of intrigue as drivers battle for advancement while chasing a trip to Victory Lane.

Full NASCAR Cup Series entry list for Chicagoland Speedway

Ross Chastain (No. 1, Trackhouse Racing)
Austin Cindric (No. 2, Team Penske)
Austin Dillon (No. 3, Richard Childress Racing)
Noah Gragson (No. 4, Front Row Motorsports)
Kyle Larson (No. 5, Hendrick Motorsports)
Brad Keselowski (No. 6, RFK Racing)
Daniel Suarez (No. 7, Spire Motorsports)
Chase Elliott (No. 9, Hendrick Motorsports)
Ty Dillon (No. 10, Kaulig Racing)
Denny Hamlin (No. 11, Joe Gibbs Racing)
Ryan Blaney (No. 12, Team Penske)
AJ Allmendinger (No. 16, Kaulig Racing)
Chris Buescher (No. 17, RFK Racing)
Chase Briscoe (No. 19, Joe Gibbs Racing)
Christopher Bell (No. 20, Joe Gibbs Racing)
Josh Berry (No. 21, Wood Brothers Racing)
Joey Logano (No. 22, Team Penske)
Bubba Wallace (No. 23, 23XI Racing)
William Byron (No. 24, Hendrick Motorsports)
Austin Hill (i) (No. 33, Richard Childress Racing)
Todd Gilliland (No. 34, Front Row Motorsports)
Riley Herbst (No. 35, 23XI Racing)
Zane Smith (No. 38, Front Row Motorsports)
Cole Custer (No. 41, Haas Factory Team)
John Hunter Nemechek (No. 42, Legacy Motor Club)
Erik Jones (No. 43, Legacy Motor Club)
JJ Yeley (i) (No. 44, NY Racing Team)
Tyler Reddick (No. 45, 23XI Racing)
Ricky Stenhouse Jr. (No. 47, HYAK Motorsports)
Alex Bowman (No. 48, Hendrick Motorsports)
Cody Ware (No. 51, Rick Ware Racing)
Ty Gibbs (No. 54, Joe Gibbs Racing)
Ryan Preece (No. 60, RFK Racing)
Josh Bilicki (i) (No. 66, Garage 66)
Corey Heim (i) (No. 67, 23XI Racing)
Michael McDowell (No. 71, Spire Motorsports)
Carson Hocevar (No. 77, Spire Motorsports)
Connor Zilisch (No. 88, Trackhouse Racing)
Shane van Gisbergen (No. 97, Trackhouse Racing)

Drivers designated with (i) are ineligible for NASCAR Cup Series driver championship points.

Notable storylines entering Chicagoland

Although all 39 entries are locked into Sunday’s race, several drivers will be worth keeping an eye on throughout the weekend.

Shane van Gisbergen arrives at Chicagoland after another road-course masterclass at Sonoma, but he’ll now shift his focus to a vastly different challenge on the 1.5-mile oval.

Corey Heim returns for another Cup Series opportunity in the No. 67 Toyota just two weeks after earning his first career Cup victory at Naval Base Coronado. Connor Zilisch also continues his rapid development with another start for Trackhouse Racing, while Austin Hill, JJ Yeley and Josh Bilicki are among the open entries competing for valuable experience.

Meanwhile, the second round of NASCAR’s In-Season Challenge officially gets underway, with several high-profile head-to-head matchups adding extra stakes beyond the race itself.

With Chicagoland returning to the Cup Series schedule for the first time in seven years, Sunday’s event marks another chapter in the track’s long-awaited return.

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