Johnson, Bouzek, Issacs soar to opening night checkers at I-35 Speedway
Mother Nature finally graced the I-35 Speedway with great weather as the Winston, Missouri, dirt oval got opening night in on this Easter Weekend. With 115 cars checked into the pit area, the parking lot was lined with cars as far as the eye could see and t … read more

I-35 Speedway hoping third time's a charm
We are Racing! Third time is a charm! Saturday, April 3, I-35 Speedway launches the 2021 Racing Season with the McCarthy Auto Group Season Opener. Come and enjoy the sights, the sounds, the smells, the taste, and the feel of horsepower shaking the ground as th … read more

I-35 Speedway postpones season opener to April 3
I-35 Speedway’s track crew is notorious for getting in races and battling track conditions to ensure the best possible track for the competitors. This includes intermittent stoppages during the races to smooth over any rough spots with the tractor and bo … read more

PRI continues fight against EPA overreach
The U.S. District Court in Arizona has declined to make a ruling in the lawsuit between the EPA and Gear Box Z. The EPA claims that the Clean Air Act does not allow a motor vehicle to be converted into a racing vehicle used solely for competition and that equipment installed to make the conversion is illegal. … read more

I-35 Speedway season opener this Saturday
The long wait is over! It is Race Time, I-35 Speedway style! Saturday, March 27, I-35 Speedway returns to action with the McCarthy Auto Group Season Opener. Come and enjoy the thunder of the engines roar, smell the spent racing fuel, watch the fire flying out  … read more

I-35 Speedway adjusts schedule
Opening night at I-35 Speedway is being changed to March 27. This past weekend, weather has damaged some of the billboards and the forecast does not provide time to appropriately dry the facilities. Instead, track management is making a weather-based adjus … read more

I-35 Speedway practice canceled
Practice at the I-35 Speedway for Saturday, March 13, is canceled due to impending weather and low temperatures. I-35 Speedway's McCarthy Auto Group Season Opening Frostbuster will be the next event at the legendary racetrack one week from today. Openin … read more

I-35 Speedway practice March 13 season opener March 20
Practice number #1 on March 6 at I-35 Speedway was a huge success with a little over 100 cars and drivers in attendance. Practice number #2 is scheduled for this Saturday March 13, from 1 to 5 p.m. These practice events are leading to McCarthy Auto Group Se … read more

Medieval Chassis new USRA Stock Car title sponsor
Medieval Chassis has signed a three-year contract with the United States Racing Association to be the title sponsor of the USRA Stock Car division through the end of the 2023 season. Medieval Chassis is returning in 2021 for a third year as a supporter of S … read more

I-35 Speedway practice session set for Saturday
It's time for the first practice session at the I-35 Speedway this Saturday, March 6. Gates open at noon with practice from 1-5 p.m. We have reached the time of year where we get our first sight of the 2021 racing machines, our first taste of dirt, our  … read more

Carpenter's Classics Sponsor Video

Hwy 36 Auto & Diesel Sponsor Video

Highlights: USRA Heartland Modified Tour 4/12/25
Highlights from the USRA Heartland Modified Tour presented by Real Racing Wheels featuring the Summit USRA Weekly Racing Series at the I-35 Speedway in Winston, Mo., on Saturday, April 12, 2025. Video provided by RacinDirt. Check us out at https://usraracing.… watch video