Michigan
Tri-City Motor SpeedwayAllstar Performance Challenge Series September 1, 2023 |
| Winning by two-hundredths of a second, fourth-starting Brandon Thirlby won his first career Allstar Performance Challenge Series event in the second-to-last race of the miniseries season. ... Thirlby and Dona Marcoullier officiall swapped the lead twice in the final nine laps. ... Polesitter Chad Finley led 17 of 40 laps and finished third. ... Jacob Poel improved seven positions in rounding out the top five. ... The winning purse was never posted by the track or series. |