Gillette Thunder Speedway

Test and Tune this Sunday 3pm

4/27/2026

Test and Tune this Sunday 3pm-6pm - free to the public. Pit Gate open 1pm - closes 3pm. No vehicles allowed in pits that aren't pulling a car trailer. If you are in the pits, you have to have a wrist band / sign in. Car/Driver - $25 Pit Crew - $20 Kids 12 and under - Free

Driver form

3/10/2026

Attention Drivers: Please fill this form out before the start of the season to help us announce your sponsors weekly. https://forms.gle/vqUxWKrNJQhvAZdG9

Mini Bomber class will receive IMCA Sport Compact points 2026

2/24/2026

Attention Mini Bomber drivers. This year the class will be IMCA sanctioned receiving sport compact points each race. Track rules from last year will be still in effect for 2026, in 2027 full IMCA sport compact rules will apply. You will have to buy a IMCA sport compact...more

2026 Skybox / Concrete Pad Renewals

2/6/2026

2026 Skybox / Skybox signs/ concrete pads (in spectator area) renewals will be mailed out Monday. Please return payment by March 23rd to keep your spot from last year. All Skyboxes were occupied in 2025, should anyone not renew their box from last year, we will contact...more

Dietz Thunders With ASCS Northern Plains At Gillette

7/31/2023

ASCS

Dietz Thunders With ASCS Northern Plains At Gillette

Bryan Hulbert - GILLETTE, Wyo. (July 29, 2023) Round two of a three-night stretch through the state of Wyoming found the ASCS Northern Plains Region at Gillette Thunder Speedway on Saturday with Montana's Phil Dietz landing in Victory Lane.

Doing so from fourth, the win is Phil's first with the regional tour and his 12th overall regional win, with his other 11 coming with the Brodix ASCS Frontier Region.

Getting to the lead after the first three laps, Dietz was followed to the line by seventh-starting Shad Petersen. D.J. Brink crossed third, with Adam Speckman and Bryan Gossel in fifth.

The ASCS Northern Plains Region is at Sheridan Speedway on Sunday, July 30.

Eddie Kirchoff is the head of the ASCS Northern Plains Region and can be reached via email at blackhillsspeedway@gmail.com or by phone at (307) 660-8866.

The 2023 season will mark the 32nd year of competition for the American Sprint Car Series. Spearheaded by the American Sprint Car Series National Tour, the ASCS Nation includes Regional Tours that encompass both wing and non-wing competition.

For other news, notes, and information on any of the tours under the ASCS banner, log onto http://www.ascsracing.com, follow on Facebook, Instagram, and Twitter (@ASCSRacing)

Race Results:

ASCS Northern Plains
Gillette Thunder Speedway (Gillette, Wyo.)
Saturday, July 29, 2023

Heat 1 (8 Laps): 1. 4-Adam Speckman[1]; 2. 72-Phil Dietz[2]; 3. 2-Shad Petersen[5]; 4. 20-Logan Hershey[3]; 5. 79-Darrick Duvall[4]

Heat 2 (8 Laps): 1. 35M-Cody Masse[2]; 2. 6G-Bryan Gossel[3]; 3. 01-Rich Bailey[5]; 4. 12-Josh Ostermiller[4]; 5. 18-Paul Jones[1]

Heat 3 (8 Laps): 1. 16G-Austyn Gossel[1]; 2. 21-DJ Brink[3]; 3. 41-Chris McAuley[2]; 4. 13-McKayla Worley[4]

A Feature (25 Laps): 1. 72-Phil Dietz[4]; 2. 2-Shad Petersen[7]; 3. 21-DJ Brink[5]; 4. 4-Adam Speckman[1]; 5. 6G-Bryan Gossel[3]; 6. 12-Josh Ostermiller[9]; 7. 20-Logan Hershey[11]; 8. 35M-Cody Masse[2]; 9. 16G-Austyn Gossel[6]; 10. 18-Paul Jones[12]; 11. (DNF) 01-Rich Bailey[8]; 12. (DNF) 41-Chris McAuley[13]; 13. (DNF) 13-McKayla Worley[10]; 14. (DNF) 79-Darrick Duvall[14]

Submitted By: Bryan Hulbert

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