Ontario Speedway

04/17/2026

04/13/2026

We turned on the water tonight at Ontario Speedway for next weekend's test & tune. Today it was cold and pouring rain but the grass is green and it is supposed to be 71F and sunny next weekend. FREE admission, FREE camping, awesome music by Dee J Grits, two great food booths and an ax throwing booth. www.ontariospeedway.com

03/01/2026

06/24/2025

Here’s a Great & Affordable Way to get into Hillclimbing

2007 Husqvarna 450 Hill Climb Bike. $4,000

Ken Thornton is selling his Trusty Husky. Purchased new from the dealer, strictly for hillclimbing. High compression piston, aggressive cams, head porting, custom built exhaust and custom suspension with hillclimbing settings, Lefty extensions, with rear brake option. Also includes two new, extra wheels and tires as follows: 18” Skat 14-paddle Viper tire, 18” Skat Dominator with 12 paddles, and a new 18” IRC M5 knobby.
Also includes several thousand dollars worth of spare parts: Rekluse clutches and misc. engine parts. In ten years of hillclimbing, this bike never once gave him any problems. It just runs great all the time at any elevation or weather conditions. He's only selling it because he is in his 60’s now, and is moving onto other fun stuff. Bike is in Boise, Idaho, with a clean, Idaho title, and is ready to go straight to the hill and start competing. Ken (208) 860-7292

05/24/2025

Hope to see you at our 3-mile Big Nasty Obstacle Adventure next Saturday. It is baked into the Oregon National STOL airshow, starting at 10am so that STOL fans can do the Adventure and then hit the STOL event about 300 yards away. STOL is excited about us, and we are excited about them! Come and watch Nampa resident win another STOL event. His piloting skills are mind-blowing. https://rrpromotions.redpodium.com/2025-big-nasty-obstacle-adventure

05/19/2025

Here is another really fun, really low-cost opportunity to bring kids and have fun at Ontario Speedway on Saturday, May 31. Start your day with the second annual Big Nasty Obstacle Adventure at 10am. This is a FUN, 3-mile adventure featuring trails, grass, mud and a few water crossings. It is styled after the old Dirty Dash events that used to happen at Bogus Basin and Avimore, and like them it is NOT a race, so you can walk, carry kids, jog, whatever. Times are not taken so you can go as fast or slow as you wish. Finish up with lunch (included) and prize drawings (prize for best costume) and then walk next door to watch the STOL airshow at the Ontario Airport and/or stay and enjoy the climbing wall and all of the fun bouncies and toys with your kids. www.ontariospeedway.com

04/21/2025

Sprint boats return to Ontario Speedway on May 17 for a test & tune. This is your chance to see this wild boats up close for only $10, and we will have really cool, inflatable kids "Mini Disneyland" set up with BIG toys for kids and adults alike. LOW cost is the key here. www.ontariospeedway.com

09/20/2024

Coming in November. FREE to all vets and First Responders as we celebrate Veteran's Day.

09/04/2024

I really wish that someone had a few of these to try. It should be obvious that I like sprint boat racing, but one of the shortcomings that it has are that it always will be one racer at a time, and now matter how fast, and how exciting that racer is, it is still one racer at a time. I invited a dozen of my friends to come to one of our Ontario Speedway races and they liked it, but said that they probably wouldn't return. When I asked them why not, they said "We want to see more than one racer going at the same time." I get it, people want to see more than one racer going at a time and when side-by-side racing was added to motorcycle hillclimbs it gave the sport a big push in fan appeal. I don't see any way that sprint boats could race side by side, but what if they were redesigned to look more like these? I'm just thinking out loud so don't crucify me if you think that this is a dumb-looking sport

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09/01/2024

This time of year, lots of people reach out asking "when is the Big Nasty happening?" The answer is that the last Big Nasty happened in September of 2022 after an 18 year run near New Plymouth. The hill was getting worn out and attendance was declining. But the Big Nasty WILL return, either in 2026 or 2027 at an all-new location near Horseshoe Bend when the Nasty will return in all of it's glory. Keep checking back here for updates and know that it will be worth the wait. Meanwhile, we continue hosting Utah's only hillclimb, X12, just off of I-15 on the Utah/Idaho border, every May, www.x12events.com.