2005 Infiniti Pro Series season
The 2005 Menards IRL Infiniti Pro Series Season was the series' fourth. It consisted of 14 races and the champion was Wade Cunningham. It was the first IPS season to include road course races. All teams used Dallara chassis and Infiniti engines.
Race Summaries
Homestead-Miami 100
The Homestead-Miami 100 was held March 6 at Homestead-Miami Speedway. Travis Gregg won the pole.
Top 5 Results
Phoenix 100
The Phoenix 100 was held March 19 at Phoenix International Raceway. Travis Gregg won the pole.
Top 5 Results
Grand Prix of St. Petersburg
The Grand Prix of St. Petersburg was held April 3 on the Streets of St. Petersburg. This was the series' first race not held on an oval. Marco Andretti won the pole.
Top 5 Results
Futaba Freedom 100
The Futaba Freedom 100 was held May 27 at the Indianapolis Motor Speedway. Jaime Camara won the pole.
Top 5 Results
Firestone 100
The Firestone 100 was held June 11 at Texas Motor Speedway. Travis Gregg won the pole.
Top 5 Results
Liberty Challenge
The inaugural Liberty Challenge was held June 18 on the Indianapolis Motor Speedway road course as a support race to the United States Grand Prix. It was the first IPS event that was not run in conjunction with an IRL race. Marco Andretti won the pole.
Top 5 Results
Cleanevent 100
The Cleanevent 100 was held July 16 at Nashville Superspeedway. Jaime Camara won the pole.
Top 5 Results
Milwaukee 100
The Milwaukee 100 was held July 24 at the Milwaukee Mile. Jaime Camara won the pole.
Top 5 Results
Bluegrass 100
The Bluegrass 100 was held August 13 at Kentucky Speedway. Travis Gregg won the pole.
Top 5 Results
Pikes Peak 100
The Pikes Peak 100 was held August 21 at Pikes Peak International Raceway. Travis Gregg won the pole.
Top 5 Results
Sonoma 100
The Sonoma 100 was held August 28 at Infineon Raceway. Marco Andretti won the pole.
Top 5 Results
Chicagoland 100
The Chicagoland 100 was held September 11 at Chicagoland Speedway. Sarah McCune won the pole.
Top 5 Results
Corning 100
The Corning 100 was held September 25 at Watkins Glen International. Wade Cunningham won the pole.
Top 5 Results
California 100
The California 100 was held October 16 at the California Speedway. Travis Gregg won the pole.
Top 5 Results
Final standings
| Pos. | Driver | Points |
|---|---|---|
| 1 |  Wade Cunningham |
504 |
| 2 |  Jeff Simmons |
474 |
| 3 | Travis Gregg |
462 |
| 4 | Nick Bussell |
430 |
| 5 |  Jaime Camara |
403 |
| 6 | Chris Festa |
387 |
| 7 | Jon Herb |
364 |
| 8 |  Marty Roth |
355 |
| 9 | Jay Drake |
341 |
| 10 | Marco Andretti |
250 |
| 11 |  Arie Luyendyk Jr. |
228 |
| 12 | Alfred Unser |
106 |
| 13 | Mishael Abbott |
83 |
| 14 | Bobby Wilson |
82 |
| 15 | Scott Mayer |
80 |
| 16 | Tom Wood |
68 |
| 17 | P. J. Chesson |
61 |
| 18 | P. J. Abbott |
43 |
| 19 | Taylor Fletcher |
41 |
| 20 | Larry Connor |
40 |
| 21 |  Scott Mansell |
36 |
| 22 | Phil Giebler |
28 |
| 23 | Sarah McCune |
23 |
| 24 | Jerry Coons, Jr. |
22 |
| 25 |  Germán Quiroga |
20 |
| 26 | Ed Carpenter |
19 |
| 27 | Rocco DeSimone |
17 |
| 28 |  Imran Husain |
16 |
| 29 | Geoff Dodge |
16 |
| 30 | G. J. Mennen |
15 |
| 31 | Rocky Moran, Jr. |
13 |
| 32 | Cole Carter |
12 |