ChampCar Endurance Series

Supplemental Event Rules

Mobile-first HTML supps built for phones, tablets, laptops, and clean PDF printing.

Ready to race? Entering a ChampCar event is simple. Register your team, complete your entry, and get on track.

Enter a Race
Apr 10, 2026 to Apr 11, 2026

SILICONSKY 14-Hours of Daytona

Daytona International Speedway
Version v1.0 • Updated Mar 31, 2026 6:30 AM
Open Supps
Apr 17, 2026 to Apr 19, 2026

The Cookie Cutter Classic

Gingerman Raceway
Version v1.0 • Updated Apr 1, 2026 8:57 AM
Open Supps
May 2, 2026 to May 3, 2026

Harris Hill Spring Double

Harris Hill Raceway
Version v1.0 • Updated Mar 23, 2026 4:07 PM
Open Supps
May 22, 2026 to May 24, 2026

Back to Back 7s at the Glen

Watkins Glen International
Version v2.0 • Updated Mar 25, 2026 6:49 AM
Open Supps
Jun 13, 2026 to Jun 14, 2026

The Joliet Grand Prix at Autobahn Country Club

Autobahn Country Club
Version v1.0 • Updated Apr 1, 2026 9:57 AM
Open Supps
Jun 27, 2026 to Jun 28, 2026

Sebring Under the Stars 12-Hour

Sebring International Raceway - Overnight 12-Hour
Version v1.0 • Updated Mar 30, 2026 8:15 PM
Open Supps
Jul 24, 2026 to Jul 25, 2026

The New England Enduro

Lime Rock Park
Version v1.0 • Updated Apr 1, 2026 8:50 AM
Open Supps
Aug 1, 2026 to Aug 2, 2026

The Rollercoaster Revival at VIR Full

Virginia International Raceway - Full Course
Version v1.0 • Updated Mar 30, 2026 7:21 PM
Open Supps
Aug 22, 2026 to Aug 22, 2026

The Thompson 12

Thompson Speedway Motorsports Park
Version v1.0 • Updated Mar 23, 2026 4:26 PM
Open Supps
Sep 4, 2026 to Sep 6, 2026

The Fast Parts Grand Prix at Mid-Ohio

Mid-Ohio Sports Car Course
Version v1.0 • Updated Mar 24, 2026 5:57 AM
Open Supps
Sep 19, 2026 to Sep 20, 2026

The Eye of the Storm Sebring Enduro

Sebring International Raceway - Double
Version v1.0 • Updated Mar 23, 2026 10:57 AM
Open Supps
Sep 26, 2026 to Sep 27, 2026

The Gauntlet: Come and Take It

Harris Hill Raceway
Version v1.0 • Updated Mar 23, 2026 10:59 AM
Open Supps
Oct 10, 2026 to Oct 11, 2026

The Tricky Triangle Enduro

Pocono Raceway
Version v1.0 • Updated Mar 23, 2026 11:00 AM
Open Supps
Oct 24, 2026 to Oct 25, 2026

The Landjager Cup

Road America
Version v1.0 • Updated Mar 25, 2026 6:43 AM
Open Supps
Oct 31, 2026 to Nov 1, 2026

AMPed Up Duals

Atlanta Motorsports Park
Version v1.0 • Updated Mar 24, 2026 4:55 PM
Open Supps
Nov 7, 2026 to Nov 8, 2026

Show-Me State Showdown

Ozarks International Raceway
Version v1.0 • Updated Mar 24, 2026 3:56 PM
Open Supps
Dec 5, 2026 to Dec 6, 2026

The 2026 TireRack.com National Championship at VIR

Virginia International Raceway - Full Course
Version v1.0 • Updated Mar 23, 2026 11:06 AM
Open Supps
Dec 29, 2026 to Dec 31, 2026

The Lone Star Double Down at COTA

Circuit of the Americas
Version v1.0 • Updated Mar 23, 2026 2:19 PM
Open Supps