The 1965 United States Road Racing Championship season was the third season of the Sports Car Club of America's United States Road Racing Championship. It began April 11, 1965, and ended September 5, 1965, after nine races. Separate races for sportscars and GTs were held at two rounds, while seven rounds were combined races. George Follmer won the season championship driving in the Under-2 Liter class.
| Rnd | Race | Length | Class | Circuit | Location | Date | |
|---|---|---|---|---|---|---|---|
| 1 | USRRC Pensacola | 200miles | All | Corry Field | Pensacola, Florida | April 11 | |
| 2 | USRRC Riverside | 200km (100miles) | GT | Riverside International Raceway | Riverside, California | May 2 | |
| 300km (200miles) | Sports | ||||||
| 3 | USRRC Monterey | 100miles | GT | Laguna Seca Raceway | Monterey, California | May 9 | |
| 150miles | Sports | ||||||
| 4 | Vanderbilt Cup | 215miles | All | Bridgehampton Race Circuit | Bridgehampton, New York | May 23 | |
| 5 | Watkins Glen Sports Car Grand Prix | 200miles | All | Watkins Glen Grand Prix Race Course | Watkins Glen, New York | June 27 | |
| 6 | Pacific North West Grand Prix | 250km (160miles) | All | Pacific Raceways | Kent, Washington | August 1 | |
| 7 | USRRC Continental Divide | 200miles | All | Continental Divide Raceway | Castle Rock, Colorado | August 15 | |
| 8 | USRRC Mid-Ohio | 200miles | All | Mid-Ohio Sports Car Course | Lexington, Ohio | August 29 | |
| 9 | Road America 500 | 500miles | All | Road America | Elkhart Lake, Wisconsin | September 5 |
Overall winner in bold.
| Rnd | Circuit | Sports +2.0 Winning Team | Sports 2.0 Winning Team | GT +2.0 Winning Team | GT 2.0 Winning Team | Results |
|---|---|---|---|---|---|---|
| Sports +2.0 Winning Driver(s) | Sports 2.0 Winning Driver(s) | GT +2.0 Winning Driver(s) | GT 2.0 Winning Driver(s) | |||
| 1 | Pensacola |
|
| Porsche | Results | |
 Mike Hall | George Follmer | Tom Payne | Charlie Kolb | |||
| 2 | Riverside |
| Shelby American | Porsche | Results | |
| Jim Hall | George Follmer |  Ken Miles | Scooter Patrick | |||
| 3 | Laguna Seca |
| Shelby American | Porsche | Results | |
| Jim Hall | Gerry Bruihl | Ken Miles | Scooter Patrick | |||
| 4 | Bridgehampton |
|
| Results | ||
| Jim Hall | George Follmer | Bob Johnson | George Drolsom | |||
| 5 | Watkins Glen |
|
| Results | ||
| Jim Hall | George Follmer | Bob Johnson | Herb Wetanson | |||
| 6 | Kent | Elva-Porsche | Porsche | Results | ||
| Jim Hall | Jerry Titus | Tom Payne | Scooter Patrick | |||
| 7 | Castle Rock |
| Porsche | Results | ||
| Hap Sharp | George Follmer | Bob Johnson | Scooter Patrick | |||
| 8 | Mid-Ohio |
|
| Results | ||
| Hap Sharp | Doug Revson | Dan Gerber | Ray Cuomo | |||
| 9 | Road America |
|
| Results | ||
| Jim Hall Hap Sharp Ronnie Hissom | George Follmer Earl Jones | Tom Payne Ray Cuomo | Chuck Stoddard |