12-race season for the 2025 BIMMER CHALLENGE time attack competition. Only your Top 9 events will count towards the 2025 Driver Championship points. Additional rounds may be inserted throughout the season. Add this calendar to your Google Calendar to stay up to date on the latest Rounds as the schedule may change.

CSF Cooling

ROUND 1

BUTTONWILLOW CLASSIC CW13

Date

January 25, 2025

Location

Buttonwillow, CA

CSF Cooling

ROUND 2

BUTTONWILLOW CIRCUIT (CW)

Date

February 8-9, 2025

Location

Buttonwillow, CA

CSF Cooling

ROUND 3

WILLOW SPRINGS BIG WILLOW

Date

February 22, 2025

Location

Rosamond, CA

CSF Cooling

ROUND 4

CHUCKWALLA (CCW)

Date

March 16, 2025

Location

Desert Center, CA

CSF Cooling

ROUND 5

LAS VEGAS ORC

Date

April 19-20, 2025

Location

Las Vegas, NV

CSF Cooling

ROUND 6

LAGUNA SECA (105 dB)

Date

May 16-18, 2025

Location

Salinas, CA

CSF Cooling

ROUND 7

STREETS OF WILLOW (CCW)

Date

June 28, 2025

Location

Rosamond, CA

CSF Cooling

ROUND 8

BUTTONWILLOW CLASSIC (CW13)

Date

July 26, 2025

Location

Buttonwillow, CA

CSF Cooling

ROUND 9

BUTTONWILLOW CLASSIC (TBA)

Date

September 14, 2025

Location

Buttonwillow, CA

CSF Cooling

ROUND 10

BUTTONWILLOW CIRCUIT (CW)

Date

October 4-5, 2025

Location

Buttonwillow, CA

CSF Cooling

ROUND 11

CHUCKWALLA (CW)

Date

November 23, 2025

Location

Desert Center, CA

CSF Cooling

ROUND 12

BUTTONWILLOW CLASSIC (CW13)

Date

December 20, 2025

Location

Buttonwillow, CA