The 2003 Toyota Atlantic Championship season was contested over 12 rounds. In this one-make formula all drivers had to utilize Swift chassis and Toyota engines. 14 different teams and 24 different drivers competed. All drivers were able to score points. The Toyota Atlantic Championship Presented by Yokohama Drivers' Champion was A. J. Allmendinger driving for RuSPORT.
| Race No | Track | State | Date | Laps | Distance | Time | Speed | Winner | Friday fastest | Saturday fastest | Most Leading Laps | Fastest Race Lap | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | March 23, 2003 | 32 | 3.385=108.32 km | 0'49:36.669 | 131.003 km/h | Luis Díaz | Luis Díaz | ||||||
| 2 | April 13, 2003 | 32 | 3.167=101.344 km | 0'46:00.773 | 132.151 km/h | A. J. Allmendinger | A. J. Allmendinger | ||||||
| 3 | May 31, 2003 | 70 | 1.6607976=116.255832 km | 0'34:12.338 | 203.924 km/h | Ryan Dalziel | Kyle Krisiloff | ||||||
| 4 | June 14, 2003 | 30 | 3.6016134=108.048402 km | 0'42:20.641 | 153.101 km/h | A. J. Allmendinger | A. J. Allmendinger | ||||||
| 5 | June 21, 2003 | 35 | 3.169=110.915 km | 0'40:23.576 | 164.754 km/h | Ryan Dalziel | Ryan Dalziel | ||||||
| 6 | July 5, 2003 | 32 | 3.3891858=108.4539456 km | 0'44:15.524 | 147.027 km/h | A. J. Allmendinger | A. J. Allmendinger | ||||||
| 7 | July 12, 2003 | 35 | 2.825=98.875 km | 0'40:43.450 | 145.675 km/h | A. J. Allmendinger | A. J. Allmendinger | ||||||
| 8 | August 3, 2003 | 45 | 2.4477453=110.1485385 km | 0'45:14.076 | 146.103 km/h | A. J. Allmendinger | A. J. Allmendinger | ||||||
| 9 | August 10, 2003 | 30 | 3.6337994=109.013982 km | 0'41:50.941 | 156.296 km/h | A. J. Allmendinger | Jonathan Marci | ||||||
| 10 | August 23, 2003 | 25 | 4.360=109.00 km | 0'40:23.476 | 161.916 km/h | A. J. Allmendinger | A. J. Allmendinger | ||||||
| 11 | August 31, 2003 | 37 | 2.6505171=98.0691327 km | 0'44:43.705 | 131.553 km/h | A. J. Allmendinger | A. J. Allmendinger | ||||||
| 12 | September 28, 2003 | 55 | 1.850695=101.788225 km | 0'48:05.360 | 126.999 km/h | A. J. Allmendinger | Ryan Dalziel |
bold indicate pole position
For every race the points were awarded: 20 points to the winner, 16 for runner-up, 14 for third place, 12 for fourth place, 10 for fifth place, 8 for sixth place, 6 seventh place, winding down to 1 point for 15th place. Lower placed drivers did not award points. Additional points were awarded to the fastest qualifier on Friday (1 point), the fastest qualifier on Saturday (1 point) and to the driver leading the most laps (1 point). Oval races only saw one qualifying.
| Place | Name | Country | Team | Total Points |  |  | | | | |  | | | | | | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 201 | 8 | 22 | 14 | 23 | 12 | 23 | 23 | 23 | 2 | 22 | 23 | 6 | ||||
| 2 | 175 | 12 | 1 | 21 | 16 | 23 | 14 | 11 | 16 | 16 | 16 | 14 | 15 | ||||
| 3 | 161 | 21 | 12 | 5 | - | 14 | 12 | 12 | 14 | 21 | 13 | 16 | 21 | ||||
| 4 | 145 | 16 | 14 | 12 | 14 | 8 | 16 | 14 | 9 | 11 | 10 | 10 | 11 | ||||
| 5 | 123 | 11 | 17 | 11 | 12 | 11 | 3 | 16 | 2 | 14 | 14 | 3 | 9 | ||||
| 6 | 109 | 14 | 2 | 10 | 3 | 10 | 11 | 6 | 11 | 6 | 9 | 11 | 16 | ||||
| 7 | 108 | 2 | 9 | 7 | 6 | 16 | 6 | 10 | 12 | 12 | 11 | 7 | 10 | ||||
| 8 | 88 | 7 | 10 | 3 | 10 | 9 | 5 | 7 | 10 | 9 | 5 | 8 | 7 | ||||
| 9 | 87 | 10 | 11 | 9 | 11 | 9 | 2 | 8 | 1 | 8 | 8 | 2 | 8 | ||||
| 10 | 77 | - | 7 | ||||||||||||||
| 16 | 9 | 4 | 9 | 2 | |||||||||||||
| 3 | 7 | 7 | 9 | 4 | |||||||||||||
| 11 | 60 | 5 | 6 | 4 | 8 | 3 | 10 | 4 | 4 | 5 | 3 | 5 | 3 | ||||
| 12 | 49 | 4 | 5 | - | 7 | 2 | 8 | 3 | 5 | 3 | 2 | 4 | 6 | ||||
| 13 | 48 | - | 8 | 8 | 4 | 5 | 4 | 5 | 8 | - | 6 | - | - | ||||
| 14 | 30 | - | - | - | 5 | 6 | - | 9 | - | 10 | - | - | - | ||||
| 15 | 24 | - | - | - | - | - | - | - | - | - | - | 12 | 12 | ||||
| 16 | 24 | 3 | 3 | - | - | 1 | 7 | - | 6 | 2 | 1 | - | 1 | ||||
| 17 | 12 | - | - | - | - | - | - | - | - | 4 | - | 6 | 2 | ||||
| 18 | 11 | - | - | - | - | - | - | - | 7 | - | 4 | - | - | ||||
| 19 | 9 | 9 | - | - | - | - | - | - | - | - | - | - | - | ||||
| 20 | 7 | 7 | - | - | - | - | - | - | - | - | - | - | - | ||||
| 21 | 6 | - | - | 6 | - | - | - | - | - | - | - | - | - | ||||
| 22 | 5 | - | 4 | - | - | - | - | - | - | 1 | - | - | - | ||||
| 23 | 2 | 2 | - | - | - | - | - | - | - | - | - | - | - | ||||
| 2 | - | - | 2 | - | - | - | - | - | - | - | - | - |
Note:
Race 3 no additional point for the qualifying were awarded due to rain, starting lineup based on combined practice times.
Race 3, 4, 6, 7 and 11 not all points were awarded (not enough competitors).
| first column of every race | 10 | = grid position |
| second column of every race | 10 | = race result |
R17=retired, but classified NS=did not start
| Place | Name | Country | Team | | | | | | | | | | | | | |||||||||||||
| 1 | 3 | 8 | 1 | 1 | 3 | 3 | 1 | 1 | 2 | 4 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | R17 | 1 | 1 | 1 | 1 | 1 | R11 | ||||
| 2 | 9 | 4 | 3 | R15 | 1 | 1 | 3 | 2 | 1 | 1 | 4 | 3 | 4 | 5 | 3 | 2 | 3 | 2 | 3 | 2 | 5 | 3 | 2 | 3 | ||||
| 3 | 4 | 1 | 6 | 4 | 8 | 11 | 9 | NS | 5 | 3 | 2 | 4 | 3 | 4 | 2 | 3 | 4 | 1 | 2 | 4 | 2 | 2 | 3 | 1 | ||||
| 4 | 6 | 2 | 5 | 3 | 2 | 4 | 6 | 3 | 8 | 8 | 6 | 2 | 6 | 3 | 8 | 7 | 5 | 5 | 8 | 6 | 10 | 6 | 9 | 5 | ||||
| 5 | 10 | 5 | 2 | 2 | 6 | 5 | 5 | 4 | 7 | 5 | 5 | R13 | 2 | 2 | 5 | 14 | 2 | 3 | 4 | 3 | 10 | R13 | 6 | 7 | ||||
| 6 | 5 | 3 | 10 | R14 | 7 | 6 | 10 | R13 | 10 | 6 | 10 | 5 | 9 | 10 | 4 | 5 | 11 | 10 | 5 | 7 | 7 | 5 | 5 | 2 | ||||
| 7 | 2 | R15 | 15 | 7 | 13 | 9 | 4 | R10 | 3 | 2 | 3 | 10 | 5 | 6 | 7 | 4 | 7 | 4 | 6 | 5 | 11 | 9 | 7 | 6 | ||||
| 8 | 1 | 10 | 4 | 6 | 9 | R13 | 7 | 6 | 4 | 9 | 14 | R11 | 12 | 9 | 6 | 6 | 8 | 7 | 7 | 11 | 8 | 8 | 8 | 9 | ||||
| 9 | 8 | 6 | 7 | 5 | 10 | 7 | 2 | 5 | 6 | 7 | 7 | R14 | 7 | 8 | 10 | R15 | 9 | 8 | 10 | 8 | 6 | R14 | 13 | 8 | ||||
| 10 | 12 | NS | 12 | 9 | ||||||||||||||||||||||||
| 4 | 2 | 10 | 7 | 12 | 12 | 11 | 7 | 8 | R14 | |||||||||||||||||||
| 11 | 13 | 10 | 9 | 9 | 9 | 9 | 7 | 11 | R12 | |||||||||||||||||||
| 11 | 13 | 11 | 11 | 10 | 14 | 12 | 11 | 8 | 14 | 13 | 8 | 6 | 13 | 12 | 13 | 12 | 13 | 11 | 12 | 13 | 13 | 11 | 12 | R13 | ||||
| 12 | 15 | R12 | 13 | 11 | - | - | 13 | 9 | 13 | 14 | 12 | 8 | 14 | 13 | 14 | 11 | 15 | 13 | 14 | 14 | 14 | 12 | 15 | 10 | ||||
| 13 | - | - | 9 | 8 | 11 | 8 | 12 | R12 | 11 | 11 | 9 | R12 | 10 | 11 | 9 | 8 | 12 | R | 11 | 10 | - | - | - | - | ||||
| 14 | - | - | - | - | - | - | 8 | R11 | 9 | 10 | - | - | 11 | 7 | - | - | 6 | 6 | - | - | - | - | - | - | ||||
| 15 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 4 | 4 | 4 | 4 | ||||
| 16 | 16 | R13 | 16 | 13 | - | - | - | - | 15 | R15 | 13 | 9 | - | - | 15 | 10 | 16 | 14 | 15 | R15 | - | - | 14 | R15 | ||||
| 17 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 14 | 12 | - | - | 12 | 10 | 10 | R14 | ||||
| 18 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 12 | 9 | - | - | 13 | 12 | - | - | - | - | ||||
| 19 | 7 | 7 | 8 | R16 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||||
| 20 | 11 | 9 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||||
| 21 | - | - | - | - | 12 | 10 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||||
| 22 | - | - | 14 | 12 | - | - | - | - | - | - | - | - | - | - | - | - | 17 | 15 | - | - | - | - | - | - | ||||
| 23 | 14 | R14 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||||
| - | - | - | - | 5 | R14 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |