Indoor Go-Kart Racing Thornton

Welcome to K1 Speed Thornton, the ultimate destination for excitement in Adams County. Serving nearby areas like Northglenn and Westminster, we offer a complete entertainment experience that’s fit for families, friends, and colleagues. From our thrilling indoor multi-level racetrack to the engaging arcade and comfortable Paddock Lounge, we have everything you need for a memorable day or night out.

Find us at 16059 Grant St, Thornton, CO 80023 — your destination for fast-paced fun north of Denver.

Take a break from the action and recharge at our Paddock Lounge. This casual dining lounge is the perfect spot to relax, watch the races unfold on our multi-level track, and share stories with friends. We currently offer a full menu featuring delicious food options like pizza, burgers, and wings, and refreshing beverages for both kids and adults.

Make your next event one for the books at K1 Speed Thornton. We are the perfect venue for any private function, from milestone birthday parties for kids, teens, and adults to high-energy bachelor and bachelorette parties. We also specialize in unforgettable corporate events, offering unique team-building activities and holiday parties. With private event rooms and custom race packages, we make planning your event easy and exciting!

The fun doesn’t end at the checkered flag. After your race, head over to our expansive arcade to keep the friendly competition going. Challenge your friends to a classic game of billiards, face off in a fast-paced match of air hockey, or try to beat the high scores on our collection of modern and retro video games. It’s the perfect place to play between races and adds another full layer of entertainment to your visit.

If you live in the greater Denver metropolitan area, you have not one K1 Speed location to choose from but now two! Our Denver locations are world-class entertainment venues that are designed to keep you entertained and engaged, whether you’re on or off the track. If you want to experience indoor karting yourself, are interested in hosting a fun and memorable party for a friend or loved one, or would like to plan a unique corporate function, we can help.