Racing team
Margraf Racing
USA
Entries
| Season | Series / class | Car | Driver / pos. / races |
|---|---|---|---|
| 2005 | Grand-Am Sports Car Series, Class DP | Riley Mk XI - Pontiac | Rob Morgan, 58. 1 of 14 races |
| Riley Mk XI - Pontiac |  Charles Morgan, 69.1 of 14 races |
||
| Riley Mk XI - Pontiac | Robert P. Skip Cummins, 104. 1 of 14 races |
||
| Riley Mk XI - Pontiac | Tony Ave, 71. 1 of 14 races |
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| 2004 | Grand-Am Sports Car Series, Class DP | Riley Mk XI - Pontiac | Mike Borkowski, 24. 1 of 12 races |
| Riley Mk XI - Pontiac | George Nolte, 73. 1 of 12 races |
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| 2001 | Formula Toyota Atlantic | Swift 014.a - Toyota | Zac Mazzotta 1 of 12 races |
| Swift 014.a - Toyota | DeWayne Cassel 1 of 12 races |
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| Swift 014.a - Toyota | Hawk Mazzotta 1 of 12 races |
- 1. Positions 1–6 and wins.