Calendar
| # | Start Date | Race title | Circuit | Winner |
|---|---|---|---|---|
| 1 | 24.03.2013 | Grand Prix of St. Petersburg | St. Petersburg | J. Hinchcliffe |
| 2 | 07.04.2013 | Indy Grand Prix of Alabama | Barber | R. Hunter-Reay |
| 3 | 21.04.2013 | Grand Prix of Long Beach | Long Beach | T. Sato |
| 4 | 05.05.2013 | São Paulo Indy 300 | São Paulo | J. Hinchcliffe |
| 5 | 26.05.2013 | Indianapolis 500 | Indianapolis | T. Kanaan |
| 6 | 01.06.2013 | Detroit Belle Isle Grand Prix | Belle Isle | S. Pagenaud |
| 7 | 08.06.2013 | Firestone 550 | Texas Motor Speedway | H. Castroneves |
| 8 | 15.06.2013 | The Milwaukee 225 | Milwaukee Mile | R. Hunter-Reay |
| 9 | 23.06.2013 | Iowa Corn Indy 250 | Iowa Speedway | |
| 10 | 07.07.2013 | Pocono IndyCar 400 | Sonoma Raceway | |
| 11 | 13.07.2013 | Honda Indy Toronto | Streets of Toronto | |
| 12 | 04.08.2013 | Honda Indy 200 | Mid-Ohio SCC | |
| 13 | 25.08.2013 | Indy Grand Prix of Sonoma | Sonoma Raceway | |
| 14 | 01.09.2013 | Baltimore Grand Prix | Streets of Baltimore | |
| 15 | 05.10.2013 | Grand Prix of Houston | Reliant Park | |
| 16 | 19.10.2013 | 500 IndyCar WC | Auto Club Speedway |
Standings
| # | Driver | Team | P | Wins | Podiums | RWP |
|---|---|---|---|---|---|---|
| 1 | H. Castroneves | Team Penske | 299 | 1 | 4 | 9 |
| 2 | R. Hunter-Reay | Andretti | 283 | 2 | 5 | 9 |
| 3 | M. Andretti | Andretti | 249 | 0 | 2 | 9 |
| 4 | T. Sato | A.J. Foyt Enterprises | 223 | 1 | 2 | 9 |
| 5 | S. Dixon | Chip Ganassi Racing | 221 | 0 | 1 | 9 |
| 6 | T. Kanaan | KV Racing | 215 | 1 | 2 | 9 |
| 7 | S. Pagenaud | Schmidt-Peterson | 212 | 1 | 1 | 9 |
| 8 | J. Wilson | Dale Coyne | 207 | 0 | 2 | 9 |
| 9 | J. Hinchcliffe | Andretti | 206 | 2 | 2 | 9 |
| 10 | D. Franchitti | Chip Ganassi Racing | 192 | 0 | 0 | 9 |
| 11 | W. Power | Team Penske | 188 | 0 | 1 | 9 |
| 12 | E. Viso | Andretti | 183 | 0 | 0 | 9 |
| 13 | C. Kimball | Chip Ganassi Racing | 175 | 0 | 0 | 9 |
| 14 | J. Newgarden | Sarah Fisher | 167 | 0 | 0 | 9 |
| 15 | J. Jakes | Rahal Letterman Lanigan | 160 | 0 | 1 | 9 |
| 16 | E. Carpenter | Ed Carpenter | 156 | 0 | 0 | 9 |
| 17 | G. Rahal | Rahal Letterman Lanigan | 149 | 0 | 1 | 9 |
| 18 | S. De Silvestro | KV Racing | 143 | 0 | 0 | 9 |
| 19 | T. Vautier | Schmidt-Peterson | 130 | 0 | 0 | 9 |
| 20 | O. Servià | Panther Dreyer & Reinbold | 123 | 0 | 0 | 6 |
| 21 | S. Bourdais | Dragon Racing | 117 | 0 | 0 | 9 |
| 22 | A. Tagliani | Barracuda Racing | 110 | 0 | 0 | 9 |
| 23 | S. Saavedra | Dragon Racing | 105 | 0 | 0 | 9 |
| 24 | M. Conway | Rahal Letterman Lanigan | 97 | 1 | 2 | 3 |
| 25 | J.R. Hildebrand | Panther Racing | 79 | 0 | 0 | 5 |
| 26 | A. Allmendinger | Team Penske | 65 | 0 | 0 | 5 |
| 27 | A. Beatriz | Dale Coyne | 64 | 0 | 0 | 6 |
| 28 | R. Briscoe | Chip Ganassi Racing | 63 | 0 | 0 | 4 |
| 29 | C. Muñoz | Andretti | 54 | 0 | 1 | 1 |
| 30 | P. Mann | Dale Coyne | 14 | 0 | 0 | 2 |
| 31 | C. Daly | A.J. Foyt Enterprises | 11 | 0 | 0 | 1 |
| 32 | T. Bell | Panther Racing | 10 | 0 | 0 | 1 |
| 33 | K. Anne Legge | Schmidt Peterson Motorsports | 8 | 0 | 0 | 1 |
| 34 | B. Lazier | Lazier Partners Racing | 8 | 0 | 0 | 1 |