Race weekend Scheduled Listed by Buttonwillow Raceway Park Updated Aug 14

Open Test

Check the organizer’s latest schedule, registration, and venue information before you go.

Open Test event artwork
Official event details Directions

Open Test 2026 schedule and venue

Date and time
Fri, Sep 18, 2026, 9:00 AM PDT
Ends 5:00 PM PDT
Venue
Buttonwillow Raceway Park - Circuit
24551 West Lerdo Highway, Buttonwillow, CA, 93206, US
Organizer
Buttonwillow Raceway
Status
Scheduled

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Sat, Aug 22, 2026, 8:00 AM PDT Open Test 13CW (Dual Tracks) Buttonwillow Raceway Park - Classic Sat, Aug 22, 2026, 8:00 AM PDT Open Test (Dual tracks) Buttonwillow Raceway Park - Circuit Fri, Aug 28, 2026, 8:00 AM PDT Open Test M/C Buttonwillow Raceway Park - Circuit
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