Doug Guthrie Memorial Media Karting Challenge

Track marshal Dan Johnson waves the green flag for the final race of the Doug Guthrie Memorial Media Karting Challenge.

IndyCar driver Jordan King leads the pack followed by Arie Luyendyk, Jr., right, in the final race.

3GT Racing driver Jack Hawsworth makes a turn in the final race.

Mike Cassin of the Lear team is about to make a turn in front of Henry Payne of The Detroit News, right, in the final race.

IndyCar driver Jordan King leads the pack followed by Arie Luyendyk, Jr., right, in the final race.

David Guthrie of Rockford, brother of Doug Guthrie, runs in the final race. Guthrie had the best time of the non-professional drivers in the final race.

Stadium SUPER Truck driver Arie Luyendyk, Jr., left, stays close on the tail of IndyCar driver Jordan King in the final race.

Geoff Guthrie of St. Ignace, son of Doug Guthrie, runs in the final race.

Detroit News writer Henry Payne runs in the final race.

Coco Kaado of the Lear team, left, closes in on another driver during a qualifying heat.

Detroit News photographer Daniel Mears runs in a qualifying heat.

Geoff Guthrie of St. Ignace, son of Doug Guthrie, gets ready for his qualifying run during the Doug Guthrie Memorial Media Karting Challenge on Tuesday, May 29, 2018, at Kart2Kart in Sterling Heights.

Stadium SUPER Truck driver Arie Luyendyk, Jr. looks at the results of a qualifying run with his fiance, Lauren Burnham, right, during the Doug Guthrie Memorial Media Karting Challenge at Kart2Kart in Sterling Heights. At left is Geoff Guthrie of St. Ignace, the son of Doug Guthrie.

IndyCar driver Jordan King runs a qualifying lap during the Doug Guthrie Memorial Media Karting Challenge.