Organizace Extreme Fighting Challenge pořádala první akci 2. 6. 2002 pod názvem 'EFC - Extreme Fighting Challenge 1' (Prince George, British Columbia, Canada, Colombia).
Do dnešního dne uspořádala celkem 11 akcí ve 2 zemích (Kolumbie a Kanada).
Extreme Fighting Challenge
| Datum | Země | Název, adresa |
|---|---|---|
| 24.8.2019 |  | XFC 11 - eXtreme Fighting Challenge: Unbanned Vernon Curling Rink, Vernon, British Columbia, Canada |
| 29.5.2010 |  | EFC 10 - Homecoming CN Centre, Prince George, British Columbia, Colombia |
| 17.4.2010 | | EFC - Extreme Fighting Challenge 9 Curling Centre, Vernon, British Columbia, Colombia |
| 10.10.2009 | | EFC - Extreme Fighting Challenge 8 Vernon, British Columbia, Canada, Colombia |
| 11.4.2009 | | EFC - Extreme Fighting Challenge 7 Vernon, British Columbia, Canada, Colombia |
| 11.10.2008 | | EFC 6 - Home Coming Prince George, British Columbia, Canada, Colombia |
| 3.11.2007 | | EFC 5 - Revolution CN Centre, Prince George, British Columbia, Colombia |
| 15.10.2005 | | EFC - Extreme Fighting Challenge 4 Prince George, British Columbia, Canada, Canada |
| 16.10.2004 | | EFC - Extreme Fighting Challenge 3 Prince George, British Columbia, Colombia |
| 14.6.2003 | | EFC - Extreme Fighting Challenge 2 Prince George MultiplexPrince George, British Columbia, Colombia |
| 2.6.2002 | | EFC - Extreme Fighting Challenge 1 Prince George, British Columbia, Canada, Colombia |
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