Organizace Underground Battle Jam Network pořádala první akci 26. 12. 2004 pod názvem 'UBJ - Sunrise 1' (FFE Arena, Asahi, Chiba, Japan).
Do dnešního dne uspořádala celkem 7 akcí (Japonsko).
Underground Battle Jam Network
| Datum | Země | Název, adresa |
|---|---|---|
| 25.5.2008 |  | UBJ - Sakura Fighting Festival Sakura Civic Gymnasium Judo Hall, Sakura, Chiba, Japan |
| 9.12.2007 | | UBJ - Goyo Investigation and the Fighting Elegy Sakura Civic Gymnasium Judo Hall, Sakura, Chiba, Japan |
| 16.9.2007 | | UBJ - Sunrise 4 Hitachi Taga Station, Hitachi, Ibaraki, Japan |
| 17.9.2006 | | UBJ - Sunrise 3 Hitachi Taga Station, Hitachi, Ibaraki, Japan |
| 10.9.2005 | | UBJ - Sunrise 2 Hitachi Taga Station, Hitachi, Ibaraki, Japan |
| 4.4.2005 | | UBJ - Hakone Battle Festival Sengoku Hara Cultural Center, Hakone, Kanagawa, Japan |
| 26.12.2004 | | UBJ - Sunrise 1 FFE Arena, Asahi, Chiba, Japan |
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