Organizace Iowa Extreme Fighting pořádala první akci 10. 9. 1997 pod názvem 'IEF 1 - Iowa Extreme Fighting 1' (Iowa, United States).
Do dnešního dne uspořádala celkem 14 akcí (USA).
Iowa Extreme Fighting
| Datum | Země | Název, adresa |
|---|---|---|
| 13.4.2004 |  | IEF - Iowa Extreme Fighting Fort Dodge, Iowa, United States |
| 22.11.2003 | | IEF - Iowa Extreme Fighting Ft. Dodge, Iowa, United States |
| 11.10.2003 | | IEF - Iowa Extreme Fighting Iowa, United States |
| 4.10.2003 | | IEF 11 - Iowa Extreme Fighting 11 Iowa, United States, United States |
| 23.11.2002 | | IEF 10 - Iowa Extreme Fighting 10 Iowa, United States, United States |
| 16.11.2002 | | IEF 9 - Iowa Extreme Fighting 9 Iowa, United States |
| 12.10.2002 | | IEF 8 - Iowa Extreme Fighting 8 Iowa, United States |
| 19.4.2002 | | IEF 7 - Iowa Extreme Fighting 7 Iowa, United States |
| 17.2.2001 | | IEF 6 - Iowa Extreme Fighting 6 Iowa, United States |
| 28.11.1999 | | IEF 5 - Iowa Extreme Fighting 5 Iowa, United States |
| 14.4.1999 | | IEF 4 - Iowa Extreme Fighting 4 Iowa, United States |
| 29.10.1998 | | IEF 3 - Iowa Extreme Fighting 3 Iowa, United States |
| 15.5.1998 | | IEF 2 - Iowa Extreme Fighting 2 Iowa, United States |
| 10.9.1997 | | IEF 1 - Iowa Extreme Fighting 1 Iowa, United States |
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