| Datum | Země | Název, adresa | Pořadatel |
|---|---|---|---|
| 27.12.2003 |  | Dangerzone - Fight Night 10 101 LoungeAngola, Indiana, United States | Dangerzone |
| 27.12.2003 |  | GCM - Demolition 031227 Tokyo FM Hall, Chiyoda, Tokyo, Japan | Greatest Common Multiple |
| 27.12.2003 | | RITO - Rumble in the Octagon 3 Big Easy Concert HouseBoise, Idaho, United States | Rumble in the Octagon |
| 27.12.2003 | | ROTR 4.5 - Proving Grounds 1 Edith Kanakaole Tennis Stadium, Hilo, Hawaii, United States | Rumble on the Rock |
| 27.12.2003 | | UCE - Winter Warrior Land - Semi-Finals Salt Lake City, Utah, United States | Ultimate Combat Experience |