Sparko Racing

Jonah Wilson is on track at the 2026 Lonestar Challenge, turning practice laps in his Sparko F8 during the dedicated Worlds Nitro Buggy session at Thornhill Racing Circuit. The work is underway — come along for the ride.

The 2026 Lonestar Challenge at Thornhill Racing Circuit doubles as the official warmup to the World Championships and Sparko Racing has made the trip count. Lee Setser brought his Sparko F8, equipped with JConcepts tires, to the dedicated Worlds Nitro Buggy practice session for his first reconnaissance laps of the weekend. Every lap at this stage is information. Setser is gathering it!