What won the race: Third-starting Donald McIntosh of Dawsonville, Ga., earned his third career Valvoline Iron-Man Southern Series feature victory Friday at Boyd's Speedway, winning the 40-lap Labor Day Showdown. He beat Sam Seawright to the finish line by a commanding margin of 5.350 seconds to earn the $4,000 top prize.

Key notes: McIntosh registered his first triumph of the 2021 season; his last checkered flag came almost exactly one year ago, on Sept. 6, 2020, at Tazewell (Tenn.) Speedway. ... Iron-Man points leader Jensen Ford finished fourth. ... Jesse Lowe started 15th and finished seventh. ... Driving the Roberts Trucking No. 85, Hall of Famer Ronnie Johnson was unable to start the feature after likely suffering a burnt piston during preliminary action. ... Friday's feature, the opening night of the Iron-Man tour's three-race weekend and its third visit to the Chattanooga-area oval this season, lasted 26 minutes with 12 competitors completing all 40 laps.

On the move: Cruz Skinner of Oxford, Ala., started 11th and finished third.

Winner's sponsors: McIntosh’s Blount Motorsports Rocket Chassis has a Vic Hill Racing Engine and is sponsored by Stowers CAT, Massey Electric, Blount Excavating, Ole Ben Franklin Motors, Walker’s Truck Contractors and The Wine & Spirits Cellar.

Points chase: Before Boyd's: 1. Jensen Ford (691); 2. Michael Chilton (427); 3. Donald McIntosh (327); 4. Devin Gilpin (323); 5. Dustin Linville (311).

Current weather: Broken Clouds, 77°F

Car count: 23

Fast qualifier: Jason Croft

Time: 14.832 seconds

Polesitter: Jason Croft

Consolation race winners: David Payne

Next series race: September 4, Mountain View Raceway (Spring City, TN) $4,000