The 2003 Founders' Bonspiel was contested November 12 through November 16. Chairpersons Bob and Rachel Howell reported the following results:
| Finalists | |||||||
| Event | Place | Club | Skip | Vice | Second | Lead | |
| First | Winner | Plainfield | Dave Durrant | Andreas Sailor | Clay Duncan | Janice Langanke | |
| First | Runner up | Plainfield | Earle Conrad | De Holmes | Clint Robson | Natalie Robson | |
| Second | Winner | Squirrels | Andrea Stepnosky | MaryAnn Vermeulen | Rachel Howell | Louisa Bartok | |
| Second | Runner up | Plainfield | John De Jong | Chris Creighton | George Zavagnin | Mellissa Creighton | |
| Third | Winner | Philadelphia | Courtney Anderson | Lisa Rusek | Emily Anderson | Alyssa Walsh | |
| Third | Runner up | Plainfield | Topper Waters | Bob Fox | Paul Graebener | Gillian Murray | |
| Fourth | Winner | Plainfield | Jason Valetutto | Mike Mraz | Brady Gould | Neil Sullivan | |
| Fourth | Runner up | Plainfield | Don Baird | Bob Howell | Sue Lindsay | Eric Blasneck | |
| Participants | ||||
| Club | Skip | Vice | Second | Lead |
| Plainfield | Chris Boraski | Art Anderson | Nicole Husch | Jack Miller |
| Plainfield | Claude Tellier | Joyance Meechai | Paul Debraski | Karl Lohner |
| Plainfield | Bill Vallier | Charlie Giamo | Bob Graham | Jeff DeVito |
| Plainfield | Adam Hollywood Henderson | Lady Robin Kerr | The Other Rachel H | Donald Haul Out the Holly |
| Plainfield | Luc Gagne | Bob Bridgeman | Barb Gagne | Pat Bridgeman |
| Plainfield | Gail Knight | Mary Lou Mitchell | Tom Orians | Al Knight |
| Plainfield | Pete Mitchell | Paul Nix | Toby Evans | Brian O'Byrne |
| Plainfield | Bill Nickle | Tom Famularo | Mickey Mangold | Steve Janecek |
| Potomac | Tanya Jacobsen | Charrissa Lin | Mary Johnson | Joan Twigg |
| Potomac | Dominique Banville | Kathy Riikonen | Abby Sanford | Ann Drummie |
| Potomac | Derek Surka | Conor Mulvey | Nick Datlowe | Jack Esteve |
| Out-of-Towners | Nancy Dinsdale | Anne Wiggins | Anne Robertson | Rosemary Morgan |