Sat, Mar 20 - Sun, Mar 21, 2021

NASA at Auto Club Speedway

Auto Club Speedway

About this event

HPDE 2, 3, 4* -- Time Trial (TT) -- Road Racing

Due to current COVID safety protocols at ACS:
  • Only drivers and crew teams are allowed into the facility. No guests or spectators are permitted. 
  • You must register your crew teams ( and are limited to the following:
    • Race entries: 2 crew members
    • HPDE/TT entries: 1 crew member
  • We've put a temporary hold on registration for HPDE 1. If you have prior track experience, you may be able to register for HPDE 2.
Registration closes at 9pm on March 17, 2021.
  • There is a discount on registration until March 4.
  • On March 5, the price to register for racing increases by $50.
  • After registration closes on March 17, 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 this important information after you register: 
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,, for screening and approval.
Tech Information
  • Tech will be available on Friday, March 19 at 3pm, and Saturday/Sunday starting at 7:30am.
  • Fees:
    • 2021 Season Renewal (valid tech from 2020): $20.00
    • Initial certification inspection w/logbook: $40.00
    • HPDE Tech: $5.00
You need a transponder if you drive in time trial or race groups. Please provide your transponder number or rent one through the registration process. 
Do not rent a transponder if you participate in HPDE 1-2, since your group is not timed. 

Cancellation Policy

HPDE/Time Trial/Competition Drivers' School/Open Track: 
  • Full refund less $30.00 processing fee, with at least 1 week notice prior to the event. 
  • No refunds or credits if you cancel less than 1 week prior to the event. 
  • No refunds or credits if you have mechanical problems or your car does not pass tech inspection. No exceptions.
Race Groups: 
  • If you registered at least 14 days in advance of the event AND notify us within 5 days after the missed event, we will carry over the fees to a future event without penalty or provide a full refund, less a $30 processing fee.
  • No partial refunds. 
  • This policy does not apply to special events. 
  • No refunds or credits if you have mechanical problems or your car does not pass tech inspection. No exceptions. Once the car hits the track all fees are non refundable.

For more details, visit

Auto Club Speedway


Club Race organized by

NASA - California- Southern Region