2015 Firestone Grand Prix of St. Petersburg - Vrije training 1 Uitslag
Circuit St. Petersburg
Stad St. Petersburg, Florida
Type Stratencircuit
Lengte 2.890 km
Baanrecord 1:00.245
| P | Coureur | Nat | Tijd | VV | R |
|---|---|---|---|---|---|
| 1 | Graham Rahal Rahal Letterman |  | 1:02.185 | 0 | |
| 2 | Tony Kanaan Ganassi Racing |  | 1:02.437 +0.252 | +0.252 | 0 |