K1 Registration Now Open

k1 circuit event graphicRegistration for rounds 3/4 of the Challenge in Winchester, CA. at the K1 Circuit is now open. Pre entry deadline will be February 25th.

Visit RaceSelect.com to pre-register for our K1 event March 7-9 REGISTER HERE

Challenge of the Americas is offering competitors the opportunity to reserve their favorite number for the season. In years past, it has been a first come, first serve format when registering and receiving the kart number requested. For $50, each competitor can reserve their favorite number in their category for the season. It is encouraged that competitors submit their number reservation quickly before it is gone.

The following are the class number ranges for the 2025 Challenge.

60cc Cadet: 100-199

100cc Junior: 800-899

100cc Senior: 900-999

100cc Masters: 700-799

Shifter Senior: 400-499

Shifter Masters: 500-599

“Learn it. Know it. Live it” K1 Circuit General Facility Rules

K1 Circuit General Facility Rules

  • No smoking or vaping on the property. 
  • Tarps or mats are mandatory under every kart in the paddock area to catch excess fuel & oil. Failure to comply may result in a $150 fine. 
  • No bikes, skateboards, scooters, or any other motorized/human-powered vehicles on facility grounds. 
  • All karts must pass the 95 DB test for noise requirements on track. 
  • No staking or screwing of fasteners into the asphalt anywhere on the property. 
  • No overnight camping at K1 Circuit. 
  • Pedestrian traffic only through the breezeway – no karts or kart stands. 
  • No pets are allowed except service animals; emotional support animals are not allowed. Service animals that perform an active function are allowed on K1 Circuit grounds and can go wherever their handler is credentialed to go, except for the pits. Service animals are never allowed in the pits. See more about service animals below. 
  • Alcohol is strictly prohibited until racing has concluded 
  • Any foul language or bad behavior will result in you being asked to leave. 
  • K1 Circuit is a cashless business: only credit or debit cards are accepted. 
  • Racers must take used tires, fuel cans, and any large boxes with them. Leaving these items at K1 Circuit may result in a $150 fine. 
  • All pit areas must have a fire extinguisher.
     
  • Drones are strictly prohibited unless you’ve received written consent from K1 Circuit
  • Hours of Operation: 9am to 9pm daily (Rentals run all day, from open to close; Open Practice: 9am-4pm on Tues-Sun)
  • Everyone must sign in and receive a wristband – spectators included. 
  • Minors must be accompanied by their parents or legal guardians to fill out the waiver.
  • A K1 Circuit License is required to go on track.   
  • All licenses, gift cards, and races are per person, and non-transferable with K1 Speed. 
  • Vehicles, trailers, and tents must fit inside designated parking/pit spots. 
  • Parking outside of designated zones is prohibited; roads/fire lanes must stay clear. 
  • No bikes, skateboards, scooters, golf carts or any other human-powered / motorized vehicles (including karts) in the parking areas.  
  • Alcohol is strictly prohibited during the hours the track and paddock are hot with karts on course. When races are finished for the day, you can enjoy K1 Circuit’s Paddock Lounge.  
  • Please understand for safety concerns, if you are dangerous on the track, can’t achieve an adequate lap time, or for any other related issues, you may be asked to park for the day. 
  • “Follow-the-leader” sessions allowed only by qualified personnel, and in the correct sessions. These privileges may be revoked for safety reasons if the instructor is deemed unqualified. Instructors must be approved in advance. 
  • No overnight camping at K1 Circuit. The paddock area must be cleared by 9pm. 
  • All Karts must pass the 95 DB test for noise on track. If non-compliant you will be asked to fix the issue before taking the track again. This includes generators paddock 
  • All pit spots require a tarp under the kart on the ground to catch excess fuel, oil, cleaners, or chain lube in the paddock. Non-compliance after the first warning may result in a $150 fine. 
  • No fuel storage at the track or paddock.  

REGARDING SERVICE ANIMALS: 

Service animals must always remain by the handler’s side and be harnessed, leashed, or tethered. If such devices interfere with the service animal’s work or if the handler’s disability prevents their use, the handler must maintain control of the animal through voice, signals, or other effective means. Service animals must be housebroken and guests with service animals are responsible for always cleaning up after their animals.

Visitors with service animals are solely responsible for the animal’s appropriate behavior toward other guests and K1 Circuit personnel. Guests with service animals are fully responsible and liable for any damage or injury caused by their service animals. Any service animal that exhibits aggressive behavior will be excluded from the facility.

K1 CIRCUIT RACE GEAR REQUIREMENTS:  

  • Arrive and Drive (rental kart) racers must wear long-sleeved shirts, long pants, closed-toe shoes, and gloves. Full-face helmets and suits are always available to borrow. You can use your own DOT or higher rated helmet, however no open-faced, or motocross helmets/goggles are allowed. 
  • Kart owners must wear a full abrasion-resistant karting suit, closed-toe shoes, a full-face SNELL approved helmet, and racing gloves. Neck collars and rib vests with a chest protector are mandatory in the kid kart and cadet categories, with neck collars required for Juniors. 

Monday Registration Happy Hour

happy hour imageNo one likes a Monday Happy Hour more than the COTA staff so we’ve extended the deadline to pre enter for R1/R1 in Tucson. We know many of you are traveling for the holiday weekend so until midnight tonight there will be no late entry fee assessed to all entries. Once the clock strikes midnight the carriage turns into a $250 late fee. Unlike years past you will still be able to register online right up to Friday practice for the event, and the price will reflect the additional service fee. So please enter now to avoid the late charge. We look forward to seeing everyone in Tucson. Register here: https://raceselect.com/cota

Challenge of the Americas Confirms 2025 Series Sponsors

2025 series logosThe 18th season for Challenge of the Americas is set to begin over the January 31-February 2 weekend when the series visits the Musselman Honda Circuit in Tucson, Arizona. The opening rounds of the 2025 championship will usher in a new era, welcoming the new Shinko Racing Kart Tires as the official tire for the series while expanding to four events to make the Challenge the headline traveling series in the western half of the United States.

Pre-registration for the opening weekend at the Musselman Honda Circuit closes on Saturday, January 18. Challenge of the Americas is working with Race Select as its official registration platform. Visit ChallengeKarting.com to learn more about the new process and additional information.

“We are excited about the upcoming season for the Challenge,” stated FTK Promotions owner Andy Seesemann. “There are a lot of new components regarding the series with our partnership with Shinko Racing Kart Tires and adding a fourth event to the schedule. The same competitive yet fun atmosphere returns, along with our experienced staff, many of whom have been with the program for over a decade, including the many teams and companies who have support the Challenge for the 18 years.”

Support from the karting community and industry members continue to pour into the 2025 Challenge of the Americas. Six companies have put forward their backing of the Challenge by signing on as class sponsors for the upcoming season. This year’s class sponsors are:

Forward Direction Motorsports – 100cc Senior
Nash Motorsportz – 100cc Junior
Neliton Race Concepts – Shifter Masters
Ruthless Karting – 100cc Masters
Swedetech Racing Engines – Shifter Senior
The Karting Collective – 60cc Cadet

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