Event #3471: Oct 15th - 17th, 2021

Track or Treat and WERC

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Event Information

Date: Oct 15th - 17th, 2021

Track Name: Buttonwillow Raceway Park

Configuration: Oct. 15-16: #13; Oct. 17: #25 “A section”

Direction: CCW

Event Information

HPDE, Time Trial (TT), Road Racing, Enduro

WERC 3-hour race on Friday, Oct. 15

Registration closes at 9pm on Oct. 12, 2021.

  • There is a discount on registration until Oct. 1.
  • On Oct. 2, the price to register for racing increases by $50.
  • After registration closes on Oct. 12, you can only register on-site, at the track.
  • On-site registration prices increase by $50 for all categories.
  • Make sure you are familiar with our cancellation policy. 

TT Driver Screening

  • If you register for TT, you must be pre-approved by the group leader prior to the event or have a TT license. 
  • If you have not participated in NASA SoCal HPDE 4 or TT within the last two years and do not have a NASA Competition License or TT license, you MUST e-mail Greg Greenbaum, greg@nasa-tt.com, for screening and approval.

Tech Information

  • Tech will be available on Friday, Oct. 15, at 4pm. WERC participants will have priority from 4-5pm.
  • Fees:
  • 2021 Season Renewal (valid tech from 2020): $20.00
  • Initial Certification w/ Logbook: $40.00
  • HPDE Tech: $5.00


You need a transponder if you participate in Time Trial. Please provide number during registration, or rent one. 

DO NOT RENT a transponder if you participate in HPDE 1-2, since you are not timed. 

Registration is closed for this event!