| Datum | Země | Název, adresa | Pořadatel |
|---|---|---|---|
| 8.3.2003 |  | FCFF - Rumble at the Roseland 6 Portland, Oregon, United States | Full Contact Fighting Federation |
| 8.3.2003 | | HOOKnSHOOT - Boot Camp 1.1 Memorial ColiseumEvansville, Indiana, United States | HOOKnSHOOT |
| 8.3.2003 |  | IMA - Mixfight Den Haag, Holland, Netherlands | International Mix-Fight Association |
| 8.3.2003 | | ISCF - Cowtown Rumble 2 Hilton Garden InnIndependence, Missouri, United States | International Sport Combat Federation |
| 8.3.2003 | | MC 5 - Maximum Combat 5 Fort Wayne, Indiana, United States | Maximum Combat |
| 8.3.2003 |  | MMA Iceland - Reykjavik Reykjavik, Iceland, Iceland | MMA Iceland |
| 8.3.2003 |  | Pancrase - Hybrid 3 Differ Ariake, Tokyo, Japan, Japan | Pancrase |
| 8.3.2003 | | SHB 4 - Sokol Hall Brawl 4 Sokol HallOmaha, Nebraska, United States | Sokol Hall Brawl |
| 8.3.2003 | | SMA - A Warriors Return Springfield, Illinois, United States | Shootfighting Martial Arts |
| 8.3.2003 |  | UGC 3 - Ultimate Generation Combat 3 Que Canada, Canada | Ultimate Generation Combat |
| 8.3.2003 |  | UZI 2 - Combat Evolution The Sanctuary ArenaMilton Keynes, England, England | Ultimate Zone International |