Knoxville, Iowa (May 24, 1974) – South Zanesville, Ohio’s Butch Hartman captured the United States Auto Club stock car main event, a 100-lap race, on the Marion County Fairgrounds’ half-mile dirt oval on Friday night.Keokuk, Iowa’s Ramo Stott led for 60 laps until a broken ball joint forced him out of contention, giving Hartman the lead.
Hartman bobbled in the third turn on lap 70 allowing second-place runner Ernie Derr of Keokuk, Iowa, to pull into contention with Hartman for 18 circuits until Derr encountered problems as he was about to lap Larry Phillips of Springfield, Mo., giving Hartman a larger advantage over Derr and sealing the victory.
Hartman had earlier set the pace in time trials, with a fast time of 23.70 seconds, a new track record. That broke the old record of 23.99 seconds set by Don White of Keokuk, Iowa.
In the 4-lap trophy dash, Stott finished ahead of Derr, Hartman and White.
Fred Zack of Milwaukee won the 15-lap consolation followed by Gary Wroan and Mickey Flora.
1. Butch Hartman
2. Ernie Derr
3. Irv Janey
4. Larry Phillips
5. Don White
6. Dave Whitcomb
7. Norm Nelson
8. Fred Zack
9. Steve Drake