Mason Metzger Confirmed for Inaugural Horsepower Happenings All-Star Invitational

Jonesville, MI - On Saturday, November 14th, 20 of the most talented race car drivers from across the region will convene in Clio, Michigan for the Inaugural Horsepower Happenings All-Star Invitational Presented by Extreme Indoor Kart Racing and Entertainment Center. The race brings some of the best drivers from different disciplines across the region to race against each other for a chance at cash prizes.

Joining his cousin, Bryce Bozell on the confirmed entry list of drivers for the one-of-a-kind event is 2026 Kalamazoo Speedway Late Model track champion, Mason Metzger. Grandson of "12-time" Andy Bozell, Mason brings a fresh young perspective to the already standout list of drivers entered for the All-Star Invitational on Saturday, November 14th.

The 2026 Kalamazoo Speedway champion posted his first career feature win on Friday, May 22nd. He finished the season with a stat line that included 12 top 10s in 19 starts, eight of which were top-fives.

Six other Horsepower Happenings All-Star Invitational drivers have already been announced, including David McManus, Travis Stemler, Chase Burda, Steve Irwin, Bryce Bozell, and Max Stambaugh. In addition to the 20 all-star drivers from around the region, five "ringers" will be a part of the show. The two fastest drivers from the month of September and the three fastest drivers from the month of October at Extreme Indoor Karting will get an invitation to try to join the field.

The event is open to the public to attend and enjoy the races. Fans who can't make the trip can watch the action LIVE on www.GreatLakesSprints.TV.