| | Heat | Dash | B Feature | A Feature |
|---|
|
|---|
| 3/23/1975 | Reading Fairgrounds - Reading, PA 410 Sprints - Non-Winged: USAC National Sprint Cars 305 Sprints - Non-Winged | Results | | Lee Osborne (305 Sprints - Non-Winged) | - | - | - | 8th |
|
| 4/5/1975 | Reading Fairgrounds - Reading, PA 410 Sprints - Non-Winged: USAC National Sprint Cars 305 Sprints - Non-Winged | Results | | Lee Osborne (305 Sprints - Non-Winged) | - | - | - | 7th |
|
| 4/13/1975 | Eldora Speedway - Rossburg, OH 410 Sprints - Non-Winged: USAC National Sprint Cars 305 Sprints - Non-Winged | Results | | Lee Osborne (305 Sprints - Non-Winged) | - | - | - | 16th |
|
| 5/23/1975 | Indiana State Fairgrounds - Indianapolis, IN 410 Sprints - Non-Winged: USAC National Sprint Cars 305 Sprints - Non-Winged | Results | | Lee Osborne (305 Sprints - Non-Winged) | - | - | - | 14th |
|
| 6/21/1975 | Eldora Speedway - Rossburg, OH 410 Sprints - Non-Winged: USAC National Sprint Cars 305 Sprints - Non-Winged | Results | | Lee Osborne (305 Sprints - Non-Winged) | - | - | - | 9th |
|
| 7/4/1975 | New York State Fairgrounds - Syracuse, NY Silver Crown: USAC Silver Crown | Results | | Lee Osborne (Silver Crown) | - | - | - | 24th |
|
| 7/6/1975 | Reading Fairgrounds - Reading, PA 410 Sprints - Non-Winged: USAC National Sprint Cars 305 Sprints - Non-Winged | Results | | Lee Osborne (305 Sprints - Non-Winged) | - | - | - | 1st |
|
| 7/12/1975 | Eldora Speedway - Rossburg, OH 410 Sprints - Non-Winged: USAC National Sprint Cars 305 Sprints - Non-Winged | Results | | Lee Osborne (305 Sprints - Non-Winged) | - | - | - | 8th |
|
| 8/16/1975 | Illinois State Fairgrounds - Springfield, IL Silver Crown: USAC Silver Crown | Results | | Lee Osborne (Silver Crown) | - | - | - | 14th |
|
| 8/30/1975 | Minnesota State Fairgrounds - St. Paul, MN | Results | | Lee Osborne (305 Sprints - Non-Winged) | - | - | - | 12th |
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| 8/31/1975 | Minnesota State Fairgrounds - St. Paul, MN | Results | | Lee Osborne (Silver Crown) | - | - | - | 17th |
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| 10/5/1975 | Williams Grove Speedway - Mechanicsburg, PA | Results | | Lee Osborne (410 Sprints - Winged) | - | - | - | 25th |
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| 10/10/1975 | East Windsor Speedway - Hightstown, NJ | Results | | Lee Osborne (317 Sprints - Winged) | - | - | - | 3rd |
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| 10/18/1975 | Riverside International Speedway - West Memphis, AR | Results | | Lee Osborne (410 Sprints - Non-Winged) | - | - | - | 5th |
|
| 11/2/1975 | Reading Fairgrounds - Reading, PA | Results | | Lee Osborne (317 Sprints - Winged) | - | - | - | 8th |
|
| 11/9/1975 | Reading Fairgrounds - Reading, PA | Results | | Lee Osborne (317 Sprints - Winged) | - | - | - | 5th |
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| 11/16/1975 | Reading Fairgrounds - Reading, PA | Results | | Lee Osborne (317 Sprints - Winged) | - | - | - | 8th |
|