The 2015 Indy Lights series consisted of 16 races, held at 9 circuits across North America. Spencer Pigot won the Drivers’ Championship.
2015 Races
| Round | Event | Circuit | Track Type | Date | Winner | Car/Engine | Laps | Race Time |
|---|---|---|---|---|---|---|---|---|
| 1 | Mazda Grand Prix of St. Petersburg Race 1 | Streets of St. Petersburg | Street Course | 28 March 2015 | Ed Jones | Dallara/Mazda | 30 | 37:44.4021 |
| 2 | Mazda Grand Prix of St. Petersburg Race 2 | Streets of St. Petersburg | Street Course | 29 March 2015 | Ed Jones | Dallara/Mazda | 45 | 51:20.2851 |
| 3 | Grand Prix of Long Beach | Streets of Long Beach | Street Course | 19 April 2015 | Ed Jones | Dallara/Mazda | 42 | 56:48.7630 |
| 4 | Legacy Indy Lights 100 Race 1 | Barber Motorsports Park | Road Course | 25 April 2015 | Spencer Pigot | Dallara/Mazda | 30 | 37:29.0146 |
| 5 | Legacy Indy Lights 100 Race 2 | Barber Motorsports Park | Road Course | 26 April 2015 | Spencer Pigot | Dallara/Mazda | 35 | 44:12.9340 |
| 6 | Mazda Grand Prix of Indianapolis Race 1 | Indianapolis Motor Speedway Road Course | Road Course | 8 May 2015 | Jack Harvey | Dallara/Mazda | 30 | 39:13.4976 |
| 7 | Mazda Grand Prix of Indianapolis Race 2 | Indianapolis Motor Speedway Road Course | Road Course | 9 May 2015 | Sean Rayhall | Dallara/Mazda | 35 | 48:08.2758 |
| 8 | Freedom 100 | Indianapolis Motor Speedway | Oval | 22 May 2015 | Jack Harvey | Dallara/Mazda | 40 | 33:21.2712 |
| 9 | Cooper Tires Grand Prix of Toronto Race 1 | Streets of Toronto | Street Course | 13 June 2015 | Spencer Pigot | Dallara/Mazda | 34 | 45:47.4571 |
| 10 | Cooper Tires Grand Prix of Toronto Race 2 | Streets of Toronto | Street Course | 14 June 2015 | Spencer Pigot | Dallara/Mazda | 30 | 45:07.2515 |
| 11 | Grand Prix of Milwaukee | The Milwaukee Mile | Oval | 12 July 2015 | Felix Serralles | Dallara/Mazda | 100 | 45:17.6370 |
| 12 | Indy Lights Iowa 115 | Iowa Speedway | Oval | 18 July 2015 | Max Chilton | Dallara/Mazda | 100 | 36:50.1191 |
| 13 | Cooper Tires Grand Prix of Mid-Ohio Race 1 | Mid-Ohio Sports Car Course | Road Course | 1 August 2015 | RC Enerson | Dallara/Mazda | 30 | 38:50.1689 |
| 14 | Cooper Tires Grand Prix of Mid-Ohio Race 2 | Mid-Ohio Sports Car Course | Road Course | 2 August 2015 | Sean Rayhall | Dallara/Mazda | 38 | 47:45.7083 |
| 15 | Indy Lights Grand Prix Race 1 | Laguna Seca | Road Course | 12 September 2015 | Spencer Pigot | Dallara/Mazda | 30 | 38:48.6185 |
| 16 | Indy Lights Grand Prix Race 2 | Laguna Seca | Road Course | 13 September 2015 | Spencer Pigot | Dallara/Mazda | 38 | 54:44.5256 |
2015 Driver Standings
| Pos. | Driver | STP | STP | LB | BAR | BAR | GPI | GPI | IND | TOR | TOR | MIL | IOW | MOH | MOH | WRLS | WRLS | Points |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Spencer Pigot | 22 | 22 | 25 | 32 | 32 | 14 | 9 | 12 | 31 | 32 | 16 | 13 | 13 | 22 | 31 | 31 | 357 |
| 2 | Jack Harvey | 25 | 25 | 12 | 25 | 25 | 33 | 17 | 30 | 25 | 25 | 19 | 17 | 11 | 12 | 17 | 12 | 330 |
| 3 | Ed Jones | 32 | 33 | 31 | 19 | 11 | 22 | 20 | 11 | 18 | 22 | 13 | 26 | 12 | 13 | 22 | 19 | 324 |
| 4 | RC Enerson | 12 | 8 | 19 | 22 | 14 | 17 | 25 | 19 | 13 | 17 | 26 | 22 | 32 | 19 | 15 | 15 | 295 |
| 5 | Max Chilton | 9 | 19 | 17 | 17 | 22 | 19 | 23 | 0 | 0 | 0 | 15 | 32 | 25 | 25 | 11 | 24 | 258 |
| 6 | Kyle Kaiser | 17 | 17 | 9 | 13 | 9 | 9 | 15 | 17 | 22 | 13 | 12 | 19 | 19 | 10 | 25 | 11 | 237 |
| 7 | Felix Serralles | 8 | 13 | 23 | 15 | 19 | 12 | 10 | 11 | 10 | 14 | 30 | 11 | 11 | 17 | 8 | 13 | 225 |
| 8 | Juan Piedrahita | 15 | 12 | 13 | 14 | 13 | 10 | 14 | 14 | 11 | 19 | 22 | 14 | 15 | 9 | 14 | 14 | 223 |
| 9 | Scott Anderson | 14 | 11 | 15 | 10 | 17 | 15 | 12 | 22 | 12 | 11 | 17 | 15 | 14 | 14 | 12 | 8 | 219 |
| 10 | Shelby Blackstock | 11 | 10 | 12 | 12 | 11 | 13 | 13 | 13 | 19 | 15 | 10 | 12 | 22 | 15 | 13 | 17 | 218 |
| 11 | Ethan Ringel | 13 | 9 | 14 | 11 | 12 | 11 | 11 | 27 | 15 | 10 | 11 | 10 | 9 | 14 | 11 | 9 | 197 |
| 12 | Sean Rayhall | 0 | 0 | 0 | 10 | 15 | 25 | 31 | 15 | 0 | 0 | 0 | 0 | 17 | 30 | 20 | 25 | 188 |
| 13 | Matt Brabham | 11 | 14 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 35 |
| 14 | Scott Hargrove | 19 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 34 |
| 15 | Nelson Piquet Jr | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 28 |
| 16 | Heamin Choi | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 10 | 19 |