| Datum | Země | Název, adresa | Pořadatel |
|---|---|---|---|
| 25.5.2013 |  | A-1 - Pro Stal Sports Club, Ostrow Wielkopolski, Poland, Poland | A1 Federation |
| 25.5.2013 |  | AFL - Asylum Fight League 41 Golden Nugget Hotel and Casino, Atlantic City, New Jersey, United States | Asylum Fight League |
| 25.5.2013 | | Art of War Productions - Combat Ready Chicken Ranch Casino, Jamestown, California, United States | Art of War Productions |
| 25.5.2013 |  | Atacado Joinville - 2013 Joinville Wholesale Convention Cacupe Social Service of Commerce (SESC) Hotel, Florianopolis, Santa Catarina, Brazil | Atacado Joinville |
| 25.5.2013 |  | BFL 23 - Battlefield Fight League Vancouver Trade and Convention Centre, Vancouver, British Columbia, Canada | Battlefield Fight League |
| 25.5.2013 |  | BFW 20 - Brace For War 20 Broncos Leagues Club, Brisbane, Queensland, Australia | Brace For War |
| 25.5.2013 |  | BMMAF - MMA Amateur Open Sports Park, Charleroi, Belgium | Belgian Mixed Martial Arts Federation |
| 25.5.2013 | | Boxe Espetacular - Boxing and MMA Dr. Artur de Mendonca Chaves Gymnasium, Pocos de Caldas, Minas Gerais, Brazil | Boxe Espetacular |
| 25.5.2013 |  | CC 17 - Rooney vs. Philpott Newry Sports Centre, Newry, Northern Ireland, Ireland | Cage Contender |
| 25.5.2013 | | Colosseum Fight Series - Wyoming vs. Nebraska Cheyenne Frontier Days Exhibit Hall, Cheyenne, Wyoming, United States | Colosseum Fight Series |
| 25.5.2013 | | EOF - Evolution of Fighters 2 Ed Lutas Training Center, Indaiatuba, Sao Paulo, Brazil | Evolution of Fighters |
| 25.5.2013 |  | FEFoMP - Mayor's Cup in Pankration Platinum Arena, Khabarovsk, Russia, Russia | Modern Fighting Pankration |
| 25.5.2013 | | FFC - Fearless Fighting Championship 13 Black Bear resort and Casino, Cloquet, Minnesota, United States | Fearless Fighting Championship |
| 25.5.2013 |  | FMP 16 - We Don't Stop Rodrigo M. Quevedo Gymnasium, Chihuahua, Chihuahua, Mexico | Mexican Fighters Promotions |
| 25.5.2013 | | Force FC - Force Fighting Championship 7 Itaguara Country Club Gymnasium, Guaratingueta, Sao Paulo, Brazil | Force Fighting Championship |
| 25.5.2013 |  | FSC 1 - FightStar Championship 1 Apna Venue, Huddersfield, West Yorkshire, England | FightStar Championship |
| 25.5.2013 | | GF - Golden Fighters 5 Novo Hamburgo Gymnastics Society Gymnasium, Novo Hamburgo, Rio Grande do Sul, Brazil | Golden Fighters |
| 25.5.2013 | | Gladiator Challenge - Showdown Twilight Park, Woodlake, California, United States | Gladiator Challenge |
| 25.5.2013 | | HKFC - School of Hard Knocks 33 Spectra Place Arena, Estevan, Saskatchewan, Canada | Hard Knocks Fighting Championship |
| 25.5.2013 |  | Jewels - 24th Ring Shinjuku Face, Tokyo, Japan, Japan | Jewels |
| 25.5.2013 | | K@2 Academy - K@2 Demo Fight K@2 Academy, Sao Jose dos Campos, Sao Paulo, Brazil | K@2 Demo Fight |
| 25.5.2013 |  | KIF - Killer Instinct Fight 2 Ruca Che Stadium, Neuquen, Argentina, Argentina | Killer Instinct Fight |
| 25.5.2013 |  | Kombat League - America's Fun Cage fight Reggio, Italy, Italy | Kombat League |
| 25.5.2013 | | KOTC - Future Legends 14 Eastside Cannery Casino & Hotel, Las Vegas, Nevada, United States | King of the Cage |
| 25.5.2013 | | KOTC - World Championships Talking Stick Resort, Scottsdale, Arizona, United States | King of the Cage |
| 25.5.2013 | | Legend - Emelianenko vs. Sapp Luzhniki Small Sports Arena, Moscow, Russia, Russia | Legend |
| 25.5.2013 | | M4tC 10 - Unstoppable Rainton Meadows Arena, Sunderland, Tyne & Wear, England | Made 4 The Cage |
| 25.5.2013 |  | MFC - Malaysian Fighting Championship 6 Southgate Commercial Centre, Kuala Lumpur, Malaysia, Malaysia | Malaysian Fighting Championship |
| 25.5.2013 |  | NCFC - No Compromises Fighting Championship 2 Alsterdorfer Sporthalle, Hamburg, Germany, Germany | No Compromises Fighting Championship |
| 25.5.2013 | | NLMMA - No Limits MMA 2 Milano, Italy | No Limits MMA |
| 25.5.2013 |  | OC - Oplot Challenge 61 Kharkiv, Ukraine, Ukraine | Oplot Challenge |
| 25.5.2013 | | Pamplona Social Project - Real 13 Fight 1 Pamplona Social Project Headquarters, Sao Paulo, Sao Paulo, Brazil | Real 13 Fight |
| 25.5.2013 | | Pesadelo - Muay Thai & MMA 10 Paranagua Historic Center, Paranagua, Parana, Brazil | Arena Pesadelo |
| 25.5.2013 | | RITC - Rumble in the Cage 47 Crescent Point Wickenheiser Centre, Shaunavon, Saskatchewan, Canada | Rumble in the Cage |
| 25.5.2013 | | SHC - Striker's House Cup 26 Striker's House Training Center, Curitiba, Parana, Brazil | Striker's House Cup |
| 25.5.2013 | | Siberian League - Festival of Martial Arts Rubcovsk, Russia, Russia | Siberian League |
| 25.5.2013 |  | The Other Side - Super Showdown Telkom Convention Center, Bandung, West Java, Indonesia | The Other Side |
| 25.5.2013 | | UFC 160 - Velasquez vs. Bigfoot 2 MGM Grand Garden Arena, Las Vegas, Nevada, United States | UFC - Ultimate Fighting Championship |
| 25.5.2013 | | UFE - Ultimate Fighting Evidence 3 Evidence Space, Cerquilho, Sao Paulo, Brazil | Ultimate Fighting Evidence |
| 25.5.2013 | | VFC - Velame Fight Combat Fight House Gym, Feira de Santana, Bahia, Brazil | Velame Fight Combat |
| 25.5.2013 | | World MMA Council - Mexican Standoff Josue Neri Santos Municipal Gymnasium, Ciudad Juarez, Chihuahua, Mexico | World MMA Council |