SuperNats XXIII

270DAYS

2019 Winter Series

2020 TBA

2019 Pro Tour

6DAYS

PKC California

35DAYS

PKC Texas

34DAYS

Great Lakes PKC

49DAYS

Next ProKart Challenge Event


RACE ENTRY WILL OPEN SOON

Round 1 - Buttonwillow March 30-31, 2019
Buttonwillow Raceway Park
24551 Lerdo Highway
Buttonwillow, CA 93206
(661) 764-5333
buttonwillowraceway.com
Google Maps
  • Pit Passes
  • Pit Spot Reservations
  • Event Schedule
  • Track Map // Pit-Map
  • Info Sheet // Tech Sheet

California ProKart Challenge

CalSpeed Schedule (Tentative)

Thursday, May 31st – Move-in Day Only

11:00 am - 6:00 pm – CalSpeed Gates Open for Pit Parking
3:00 pm - 6:00 pm – Early-Bird Registration Check-in
7:00 pm – Pit Curfew for all not camping overnight on-site

Note: Practice will not be allowed on this day due to the move-in of trailers and other vehicles that will inhibit karts safely pulling in and out of the grid.

Friday, June 1st - Practice Day

7:00 am – Calspeed Gates & Registration Open 
7:30 am - 3:00 pm – Tire Desk Open
9:00 am - 5:00 pm – Open Practice - Transponders Mandatory starting at 12:30 pm.

Saturday, June 2nd - Race Day

6:30 am – Gates Open and Registration
7:00 am - 12:00 pm – Tire Desk Open

Practice – 7 minute sessions 
(Transponders Mandatory)

7:30 am – X30 Junior
7:40 am – S1 & S2
7:50 am – X30 Master/SM
8:00 am – S3 & S5
8:10 am – X30 Senior 
8:20 am – S4 Master/SM
8:30 am – Mini Swift
8:40 am – Micro Swift

8:55 am – Mandatory Drivers’ Meeting (All drivers, crew, parents - no engines running!)

Qualify – 7 minute sessions 
9:20 am – X30 Junior
9:30 am – S1 & S2
9:40 am – X30 Master/SM
9:50 am – S3 & S5
10:00 am – X30 Senior
10:10 am – S4 Master/SM
10:20 am – Mini Swift
10:30 am – Micro Swift 

Heat 1 – 10 Laps
10:40 am – X30 Junior
10:53 am – S1 & S2
11:06 am – X30 Master/SM
11:19 am – S3 & S5
11:32 am – X30 Senior
11:45 am – S4 Master/SM
11:58 am – Mini Swift
12:11 pm – Micro Swift

12:24 pm – Lunch Break (30 minutes)

Heat 2 – 10 Laps 
12:54 pm – X30 Junior
1:07 pm – S1 & S2
1:20 pm – X30 Master/SM
1:33 pm – S3 & S5
1:46 pm – X30 Senior
1:59 pm – S4 Master/SM
2:12 pm – Mini Swift
2:25 pm – Micro Swift

Main – 18 Laps 
2:38 pm – X30 Junior
2:55 pm – S1 & S2
3:12 pm – X30 Master/SM
3:29 pm – S3 & S5
3:46 pm – X30 Senior 
4:03 pm – S4 Master/SM
4:20 pm – Mini Swift (15 laps)
4:37 pm – Micro Swift (15 laps)

Transponders collected at Scales after each Main.
Podium Presentations and Raffle to Follow Final Tech Inspection.
Move-out may begin after final checkered flag. 


7:00 pm – Pit Curfew for all not camping overnight on-site.

Sunday, June 3rd – Move-out & Open Practice Day

7:00 am – Final move-out begins
9:00 am – Gates and track re-open for practice
10:00 am – All overnight camping vehicles and ProKart Challenge attendees must be off premises, or purchase a 1-day pit pass