2015 Indy Grand Prix of Sonoma - Vrije training 1 Uitslagen
Circuit Sonoma Raceway
Type Permanent
Lengte 3.717 km
Baanrecord 1:15.520
Type Permanent
Lengte 3.717 km
Baanrecord 1:15.520
| P | Coureur | Nat | Tijd | VV | R | |
|---|---|---|---|---|---|---|
| 1. | Will Power Penske |
 |
1:17.486 | 0 | ||
| 2. | Graham Rahal Rahal Letterman |
 |
1:17.618 +0.133 |
0 | ||
| 3. | Ryan Hunter-Reay Andretti Autosport |
|
1:17.642 +0.157 |
+0.024 | 0 | |
| 15. | Gabby Chaves Bryan Herta Autosport |
 |
1:18.239 +0.753 |
+0.596 | 0 |