![7/9/1983 - Knoxville Raceway](https://dy5vgx5yyjho5.cloudfront.net/images/v2/header-nG34tDcE2C8jx928227.jpg)
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7/9/1983
Knoxville Raceway
Competitor Overview
![Mackie Heimbaugh](http://dy5vgx5yyjho5.cloudfront.net/v1/images/placeholders/h_placeholder.png)
Mackie Heimbaugh
Des Moines, IA
360 Sprints - Winged | Start | Finish | +/- |
---|---|---|---|
A Feature | 1 | - |
360 Sprints - WingedA Feature
Finish | Start | # | Competitor | Hometown | +/- | ||
---|---|---|---|---|---|---|---|
1 |
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Mackie Heimbaugh Des Moines, IA | Des Moines, IA | - | |||
2 |
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Dick Crook Oskaloosa, IA | Oskaloosa, IA | - | |||
3 |
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Greg Helms Kansas City, MO | Kansas City, MO | - |