| Full Name | Leslie Hartley |
| Date of Birth | Thursday 28 January 1926 |
| Date of Death | Saturday 13 March 1993 |
| Age of Death | 67 years, 1 month, 16 days |
| Born | |
| Active Years | 1950, 1952 - 1954, 1956 - 1957, 1959 - 1960 |
| Races Contested | 8 |
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| Average Classification | Median: 11, Mean: 11.83 (Standard deviation: 2.41) |
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| Average Qualifying Position | Median: 17, Mean: 17.11 (Standard deviation: 7.31) |
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| Fastest Laps | 0 |
| Races Led | 0 |
| Debut | 1950 Indianapolis 500 |
| Last Race | 1960 Indianapolis 500 |
| Drivers' Championships |
| 1950 | | - | | Not Classified |
| 1952 | | - | | Not Classified |
| 1953 | | - | | Not Classified |
| 1954 | | - | | Not Classified |
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| 1956 | | - | | Not Classified |
| 1957 | | - | | Not Classified |
| 1959 | | - | | Not Classified |
| 1960 | | - | | Not Classified |
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| Records Held Today | 1. Most 31st Place Qualifications in a Season (1) – set at 1950 Indianapolis 500 |
| Records Held At Retirement | 1. Most 16th Place Finishes (1) – set at 1950 Indianapolis 500, 2. Most 16th Place Finishes in a Season (1) – set at 1950 Indianapolis 500, 3. Most 31st Place Qualifications in a Season (1) – set at 1950 Indianapolis 500 |
| Records Ever Broken | 1. Most 16th Place Finishes (1) – set at 1950 Indianapolis 500, 2. Highest 16th Place Finish Ratio (100.00%) – set at 1950 Indianapolis 500, 3. Most 16th Place Finishes in a Season (1) – set at 1950 Indianapolis 500, 4. Most 31st Place Qualifications (1) – set at 1950 Indianapolis 500, 5. Most 31st Place Qualifications in a Season (1) – set at 1950 Indianapolis 500 |
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