| Datum | Země | Název, adresa | Pořadatel |
|---|---|---|---|
| 12.7.2003 |  | AFA - Battle For the Belts Iowa, United States, United States | American Fighting Association |
| 12.7.2003 | | CFF - Cobra Challenge California, United States | Cobra Fighting Federation |
| 12.7.2003 | | FCFF - Rumble at the Roseland 9 Roseland Theater, Portland, Oregon, United States | Full Contact Fighting Federation |
| 12.7.2003 | | MKM - Promotions Tampa, Florida, United States | MKM Promotions |
| 12.7.2003 |  | OC 1 - Outsider Cup 1 Heitland Dreherei, Lübbecke, Germany, Germany | Outsider Cup |
| 12.7.2003 | | RITC 50 - The Prelude Inn Suites Hotel & ResortTucson, Arizona, United States | Rage in the Cage |
| 12.7.2003 |  | Shooto - Brazil Instituto LaSalleRio de Janeiro, Brazil, Brazil | Shooto Americas |
| 12.7.2003 | | UCE - Round 4 - Finals Salt Lake City, Utah, United States | Ultimate Combat Experience |
| 12.7.2003 | | UFCF - Summer Slam Lucky Eagle CasinoRochester, Washington, United States | United Full Contact Federation |
| 12.7.2003 | | VFC 5 - Victory Fighting Council Bluffs, Iowa, United States | Victory Fighting Championship |
| 12.7.2003 |  | WSFC - West Siberian Fighting Championship 7 Verhnij Bor Recreational Center, Tyumen, Tyumen Oblast, Russia | West Siberian Fighting Championship |