Organizace Xtreme Fight Series pořádala první akci 15. 7. 2006 pod názvem 'XFS 1 - Xtreme Fight Series 1' (Boise, Idaho, United States).
Do dnešního dne uspořádala celkem 8 akcí (USA).
Xtreme Fight Series
| Datum | Země | Název, adresa |
|---|---|---|
| 4.6.2010 |  | XFS 52 - Team Boise vs. Team Sacramento Qwest Arena, Boise, Idaho, United States |
| 9.4.2010 | | XFS 11 - Killer Instinct Qwest Arena, Boise, Idaho, United States |
| 12.12.2009 | | XFS - Champions Unleashed Cuyahoga Falls, Ohio, United States, United States |
| 14.7.2007 | | XFS 6 - Bad Blood Qwest Arena, Boise, Idaho, United States |
| 12.5.2007 | | XFS 5 - Heavy Hitters Qwest Arena, Boise, Idaho, United States |
| 15.12.2006 | | XFS 3 - Xtreme Fight Series 3 Boise, Idaho, United States |
| 14.10.2006 | | XFS 2 - Xtreme Fight Series 2 Qwest Arena, Boise, Idaho, United States |
| 15.7.2006 | | XFS 1 - Xtreme Fight Series 1 Boise, Idaho, United States |
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