SuperNats 29

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2027 Winter Series

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2026 Pro Tour

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SKUSA Mexico

21DAYS

2026 PKC

28DAYS

2026 TSRS

35DAYS

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Next SKUSA Pro Tour Event


Late Registraton starts March 24
$250 Late/Walk-Up Fee 

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for class capacity updates.
PRO TOUR WINTERNATS - RNDS 1&2 March 27-29, 2026
Musselman Honda Circuit
11800 S Harrison Rd
Tucson, AZ 85747
(520) 245-5278
mhcircuit.com / Google Maps
No Weds practice. Unofficial Thursday practice run by SKUSA.
Do not ship packages to the track, ship to your hotel or hold for pickup with carrier.

Next ProKart Challenge Event

PRE-ENTRY OPENS APRIL 3
PKC Rounds 1/2 - K1 Circuit April 24-26, 2026
K1 Circuit
32240 Grand Ave
Winchester, CA 92596
k1circuit.com
Google Maps
There will be a Sunoco vendor pumping fuel.
There is no camping at this facility.
  • Pit Passes
  • Pit Spot Reservations
  • Event Schedule
  • Track Map // Pit-Map
  • Info Sheet // Tech Sheet
  • Event & Series Prizes
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