2026 SeasonGT World Challenge America & VP Racing Sports Car Challenge

Not your averagerace team.

Pro-Am GT racing with driver Slade Stewart, the BMW M4 GT3, and a pink unicorn named Sparklefarts, designed by his daughter. Fiercely competitive, deeply personal.

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Welcome to Stewart Motorsports

Slade Stewart
On the box
Family, creativity, joy

I’m not your average race car driver. I’m a competitor, a builder of teams, and a family man who brings personality and passion into everything I do. I’m best known for piloting the Lamborghini Super Trofeo car, "Sparklefarts," a machine that’s become as much about identity as it is about performance. I’m also excited to be stepping into a new chapter with the BMW M4 GT3 race car and Riley Motorsports, my new team, as I continue to grow and evolve as a driver. With its bold, fan-loved livery designed by my daughter, Sparklefarts represents more than just a race car. It’s a rolling expression of family, creativity, and joy in a sport often defined by precision and pressure.

Behind the wheel, I find clarity and calm before the chaos of competition. Outside the car, I bring that same mindset to my business, where I’m deeply focused on building high-quality teams and setting them free to excel. I’m driven by innovation, storytelling, and connection, both on and off the track. For me, racing isn’t just about results; it’s about bringing something personal to the experience and sharing that journey with others. Sparklefarts, the BMW M4 GT3, and the teams around me are all part of a journey that is fiercely competitive, deeply personal, and always evolving.

Slade Stewart
2022
LB Cup Champion, Lamborghini Super Trofeo North America
2024
Pro-Am class win at WeatherTech Raceway with Andy Lee
GT3
Stepping up to BMW M4 GT3 in GT World Challenge America
590
Horsepower from the P58 twin-turbo straight-six, capped by Balance of Performance
390
Millimetre steel brake discs up front, with six-piston calipers
3rd
Third in class at Mid-Ohio, Race 1 of the 2026 VP Racing SportsCar Challenge
1st
Class win at Mid-Ohio, Race 2 of the 2026 VP Racing SportsCar Challenge
6
Pistons in every brake caliper, front and rear, on 355 mm steel discs
195
Kilograms of engine alone, close to a fifth of the whole car
455
Horsepower, set by the LMP3 regulations. Every car in the class makes the same

Design the next livery

Sparklefarts started as a kid’s drawing. Now it’s your turn. Submit your wildest idea and the team could run it on track. No idea is too bold.

Partners & Sponsors
Riley TechnologiesVenice.aiMaeHam MotorsportsSpineFitBirds Eye Productions, LLC
Pit Wall App

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01Live race-start notifications
02Full session schedules per round
03Watch-live links the moment it’s green