2025-26 Apex Motor Club Challenge Series
TENTATIVE
October 25
Apex Challenge Series Race 1
Apex Motor Club
Arizona
RESCHEDULED
Apex Challenge Series Race 2
Apex Motor Club
Arizona
December 12-13
Apex Challenge Series Race 2 + 3
Apex Motor Club
Arizona
January 10
Apex Challenge Series Race 4
Apex Motor Club
Arizona
February 7
Apex Challenge Series Race 5
Apex Motor Club
Arizona
March 7
Apex Challenge Series Race 6
Apex Motor Club
Arizona
April 11
Apex Challenge Series Race 7
Apex Motor Club
Arizona
May 2
Apex Challenge Series Race 8
Apex Motor Club
Arizona
Radical Cup North America 2025
1
Feb 27 - Mar 2
Sebring International Raceway
USAC
2
May 1 - 4
Barber Motorsports Park
INDYCAR
3
Jun 19 - 22
Road America
INDYCAR
4
Jul 25 - 27
Laguna Seca
INDYCAR
5
Sep 11 - 13
Road Atlanta
USAC
6
Oct 17 - 18
Lime Rock Park
USAC
World Finals
Nov 6-9
WORLD FINALS AT VIR
Race of Remembrance