Grant Donaldson
Harry Donaldson
Birthplace:
Milford, Iowa
Born: October 18, 1890
Died: April 14, 1981
| Date | Track | Type | Driver | Car # | Sponsor/Name | Chassis | Engine | Start | Finish | Laps | Status |
| 5/30/1915 | Indianapolis | BR | Willie Haupt | 28 | Emdem | Emdem | Emdem | -- | -- | X | Relieved L. Donaldson as riding mechanic |