Leon Lewis Clum
Birthplace: Wapakoneta, Ohio
Born: August 3, 1923
Died: October 1, 1990
Leon Clum
Leon Lewis Clum
Birthplace: Wapakoneta, Ohio
Born: August 3, 1923
Died: October 1, 1990
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| Year | Series | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles | Points | Standing |
| 1959 | USAC | 0 | 4 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | NR |
| 1960 | USAC | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | NR |
| 1961 | USAC | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | NR |
| 1962 | USAC | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | NR |
| Total | 1 | 10 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 0 |
| Track Type | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Dirt Oval | 0 | 4 | 0 | 0 | 0 | 0 | 0 | NS | 0 |
| Paved Oval | 1 | 6 | 0 | 0 | 0 | 0 | 0 | 18 | 0 |
| Series | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| USAC | 1 | 10 | 0 | 0 | 0 | 0 | 0 | 18 | 0 |
| Start # | Date | Track | Type | Series | Car # | Sponsor/Name | Chassis | Engine | Start | Finish | Laps | Status |
Points |
| -- | 9/7/1959 | DuQuoin | DO | USAC | 54 | Bill Forbes Racing | Kuzma R | Offy | -- | -- | -- | DNS, too slow | |
| -- | 9/12/1959 | Syracuse | DO | USAC | 54 | Bill Forbes Racing | Kuzma R | Offy | -- | -- | -- | DNS, too slow | |
| -- | 9/19/1959 | ISF | DO | USAC | 54 | Bill Forbes Racing | Kuzma R | Offy | -- | -- | -- | DNS, too slow | |
| -- | 9/27/1959 | Trenton 2 | PO | USAC | 54 | Bill Forbes Racing | Kuzma | Offy | -- | -- | -- | Wrecked practice | |
| -- | 5/30/1960 | Indianapolis | PO | USAC | 95 | Safety Auto Glass | Kurtis | Offy | -- | -- | -- | Entry declined, not enough experience | |
| -- | 5/30/1961 | Indianapolis | PO | USAC | 77 | Dayton Steel Foundry | Sutton | Offy | -- | -- | -- | Did not qualify | |
| -- | 6/4/1961 | Milwaukee 1 | PO | USAC | 77 | Dayton Steel Wheel | Sutton | Offy | -- | -- | -- | DNS, too slow | |
| 1 | 8/20/1961 | Milwaukee 2 | PO | USAC | 23 | Competition Engineering | Kurtis | Offy | 19 | 18 | 173 | Mechanical | |
| -- | 9/16/1961 | ISF | DO | USAC | 77 | Dayton Steel Wheel | Kuzma | Offy | -- | -- | -- | DNS, too slow | |
| -- | 9/24/1961 | Trenton 2 | PO | USAC | 3 | Hoover Motor Express | Epperly | Offy | -- | -- | -- | DNS, too slow, S6 | |
| -- | 5/30/1962 | Indianapolis | PO | USAC | 23 | Turtle Drilling | Meskowski | Offy | -- | -- | -- | Did not qualify | |
| --/ | 5/30/1962 | Indianapolis | PO | USAC | 6 | Bell Lines Trucking | X | X | -- | -- | -- | Did not qualify | |