Ontario sits at the inland edge of the Los Angeles metro area, positioned where city sprawl meets desert and the Inland Empire begins its manufacturing economy. K1 Speed's facility here draws from multiple directions; people coming east on I-10 from Los Angeles, residents heading to the airport, and Inland Empire locals all find it convenient. Electric karts and indoor racing mean consistency regardless of Southern California's increasingly erratic weather. The location near Ontario International Airport makes it accessible for visitors and travelers with time to kill between flights. Food and games keep groups occupied beyond just racing time, which appeals to birthday party organizers and corporate event planners. The facility runs at high capacity most weekends, with a mix of skilled drivers and first-timers keeping the competitive level moderate. It's the dependable option in a region full of people constantly in motion.
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Definitely a great place to take your kids. There’s enough to do here. The dining area is nice and enough room for groups. There is a big menu and the prices are decent. I enjoy the environment too. There is a lot of seating for people and the amount of time you get for the races are great. There’s a side for teens and adults and another side for kids starting from 48” height.
We booked through Groupon, which helped save a bit compared to regular pricing. Even with a reservation, it was quite busy, so there was still a check-in process at the front — but everything was organized and moved reasonably well given the crowd. I’ve been to another K1 Speed location before, and this one feels noticeably newer and cleaner. The facility is well-maintained, and the helmets were in good condition with no unpleasant odors, which I really appreciated. The overall environment felt modern and safe. We brought a child and asked about grouping them with other kids. The staff were very accommodating and clearly explained the different kart options for younger drivers, making sure everything was age-appropriate while still fun. The track itself was exciting and well-designed, with a good balance of turns and straightaways. The karts were responsive and easy to handle. Overall, a fun and energetic experience — especially great for families — and I’d definitely consider coming back.
Excellent customer service ,it was fun and I'm definitely going back. Shout out to Anthony, he was very helpful. Also Taha was very good at explaining the rules.
Brought my son here for his friend’s birthday party and they had an absolute blast. The setup is perfect — they have a separate adult track and a kids’ track, which keeps things safe and fun for everyone. The staff was super friendly, helpful, and kept everything running smoothly. Overall, a great experience for both kids and adults. We’ll definitely be back!
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K1 Speed Ontario is one of California's premier go-kart tracks, offering an exciting racing experience for all skill levels. Located in 5350 Ontario Mills Pkwy #400, Ontario, CA 91764, USA, this indoor facility features electric karts suited to both beginners and experienced racers.
As part of the Los Angeles karting scene, K1 Speed Ontario is a go-to for birthday parties, corporate events, and group outings. Whether you're chasing a fast lap time or a fun day out, it delivers a professional, safe racing environment.
Published rates start from $90. The rates section above lists every session and package price the track publishes.
Drivers need to be at least 48 inches tall. Requirements can vary by kart class, so confirm with the track before you visit.
K1 Speed Ontario is an indoor track, so sessions run year-round regardless of weather.
K1 Speed Ontario runs electric karts: instant torque off the line, no exhaust fumes, and consistent power every session.
K1 Speed Ontario is open 7 days a week — Saturday hours are 10:00 AM – 12:00 AM. The full weekly schedule is in the hours section above.
Yes — K1 Speed Ontario takes birthday party bookings. Contact the track on (909) 980-0286 for packages and availability.
LISTING DATA VERIFIED VIA GOOGLE PLACES · LAST UPDATED MARCH 2026
