The 2011 Pirelli World Challenge season was the 22nd season of the Sports Car Club of America's World Challenge series. It was the first season under the Pirelli sponsorship. Championships were awarded in three classes: GT, GTS, and Touring. The season began at St. Petersburg, Florida, on March 26 ended after 12 rounds at Road Atlanta on September 30. All rounds were covered on television by Versus.
Part of the schedule was released December 1, 2010.[1] The final two rounds were announced February 2, 2011.[2] Watkins Glen, Exhibition Place, and Virginia International Raceway were not retained. Infineon Raceway returned to the schedule after a five-year absence. Laguna Seca and Road Atlanta returned after a one-year absence.
| Round | Date | Circuit | Location | Supporting | |
|---|---|---|---|---|---|
| 1 | March 26 | Streets of St. Petersburg | St. Petersburg, Florida | IndyCar Series | |
| 2 | March 27 | ||||
| 3 | April 18 | Streets of Long Beach | Long Beach, California | IndyCar Series / American Le Mans Series | |
| 4 | April 30 | Miller Motorsports Park | Tooele, Utah | Stand-alone event with NASCAR West Series | |
| 5 | May 21 | Mosport International Raceway | Bowmanville, Ontario | Stand-alone event | |
| 6 | May 22 | ||||
| 7 | August 6 | Mid-Ohio Sports Car Course | Lexington, Ohio | IndyCar Series / American Le Mans Series | |
| 8 | August 7 | ||||
| 9 | August 27 | Infineon Raceway (Indy course) | Sonoma, California | IndyCar Series | |
| 10 | August 28 | ||||
| 11 | September 18 | Mazda Raceway Laguna Seca | Monterey, California | American Le Mans Series | |
| 12 | September 30 | Road Atlanta | Braselton, Georgia | American Le Mans Series |
On January 3, 2011, Cadillac announced their return to the series after a four-year absence.[3]
Pirelli became the sole tire supplier for the 2011 season. The series used slick racing tires, rather than the street-legal treaded tires used in previous seasons.[4]
Brimtek Motorsports announced that they would be fielding a Volkswagen GTI in the touring car class for 2011.[5]
It was announced that Mike Skeen would be driving a Chevrolet Corvette for CRP Motorsports in the GT class.[6]
| Rnd | Circuit | GT Winning Car | GTS Winning Car | TC Winning Car |
|---|---|---|---|---|
| GT Winning Driver | GTS Winning Driver | TC Winning Driver | ||
| 1 | St. Petersburg |
|
| |
 Patrick Long | Jason von Kluge | Lawson Aschenbach | ||
| 2 |
|
|
| |
| Patrick Long | Eric Foss | Tristan Herbert | ||
| 3 | Long Beach |
|
|
|
| Brandon Davis | Paul Brown | Shea Holbrook | ||
| 4 | Miller |
|
| |
| Jason Daskalos | Jordan Musser |  Aaron Povoledo | ||
| 5 | Mosport |
|
| |
| Mike Skeen | Ben Crosland | Lawson Aschenbach | ||
| 6 |
|
| ||
| Mike Skeen | Paul Brown | Lawson Aschenbach | ||
| 7 | Mid-Ohio |
| ||
| Alex Figge | Paul Brown | Robb Holland | ||
| 8 |
|
| ||
| Johnny O'Connell | Paul Brown | Aaron Povoledo | ||
| 9 | Infineon |
|
| |
| Patrick Long | Peter Cunningham | Lawson Aschenbach | ||
| 10 |
|
|
| |
| Patrick Long | Ben Crosland | Aaron Povoledo | ||
| 11 | Laguna Seca |
|
| |
| Mike Skeen | Paul Brown | Lawson Aschenbach | ||
| 12 | Road Atlanta |
|
|
|
| Johnny O'Connell | Eric Foss | Aaron Povoledo |