Marcus John Armstrong
Birthplace: Christchurch, New Zealand
Born: July 29, 2000
Died:
Marcus Armstrong
Marcus John Armstrong
Birthplace: Christchurch, New Zealand
Born: July 29, 2000
Died:
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| Track | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Barber | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 |
| Detroit-SC2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 |
| Elkhart Lake | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 0 |
| Indianapolis-RC | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Laguna Seca | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 |
| Long Beach | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 |
| Mid-Ohio | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 |
| Nashville-SC | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 |
| Portland | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 |
| St. Petersburg | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 |
| Thermal | Non | points | race | only | |||||
| Toronto | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 |
| Chassis | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Dallara | 16 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| Engine | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Honda | 16 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |