Men's Roller Derby Association
The Men's Roller Derby Association is the international governing body of men's flat track roller derby. It was founded in 2007 under the name Men's Derby Coalition, and currently has 75 open gender leagues under its jurisdiction. MRDA member leagues play using the rules of Flat-Track Roller Derby originally designed by the WFTDA.
Member leagues
The association has 75 member leagues:| League | Metro area | Admitted | Notes |
| Atlanta Men's Derby | Atlanta, GA | ||
| Austin Anarchy | Austin, TX | ||
| Barrow Infernos | Barrow-in-Furness, UK | 13 August 2014 | |
| Bototos Bandidos | Vina del Mar, Chile | ||
| Bridgetown Roller Derby | Portland, OR | Travel team known as Bridgetown Menace.; formerly known and "Portland Men's Roller Derby" | |
| Brisbane City Rollers | Brisbane, QLD | 29 June 2015 | |
| Capital City Derby Doods | Ottawa | ||
| Capital City Hooligans | Springfield, IL | ||
| Capital District Trauma Authority | Albany, NY | ||
| Carolina Wreckingballs | Columbia, SC | ||
| Casco Bay Roller Derby | Portland, ME | ||
| Chicago Bruise Brothers | Chicago, IL | ||
| Chinhook City Roller Derby | Calgary, AB | 08 October 2013 | |
| Cincinnati Battering Rams | Cincinnati, OH | ||
| Cleveland Men's Roller Derby | Cleveland, OH | 20 March 2016 | |
| Collision Men's Derby | Raleigh, NC | ||
| Crash Test Brummies | Birmingham, UK | 20 May 2015 | |
| Dakota Men's Roller Derby | Fargo, ND | 23 June 2011 | |
| Denver Ground Control | Denver, CO | ||
| Derby Club Le Cres Lattes Montpellier | Montpellier, France | Often called "Kamiquadz" | |
| Detroit Men's Roller Derby | Detroit, MI | 06 July 2016 | |
| East Anglo Smacksons | Norfolk, England | ||
| Flour City Fear | Rochester, NY | 31 January 2017 | |
| Golden State Heat | Los Angeles, CA | formerly known as "Drive-By City Rollers" | |
| Glasgow Men's Roller Derby | Glasgow, Scotland | ||
| Granite City Brawlers | Aberdeen, Scotland | ||
| Harm City Men's Derby | Baltimore, MD | formerly known as "Harm City Roller Derby" | |
| Helsinki Coast Quads | Helsinki, Finland | ||
| Houston Men's Derby | Houston, TX | ||
| Inhuman League, The | Sheffield, England | ||
| Lane County Concussion | Eugene, OR | ||
| Light City Derby | |||
| Lincolnshire Rolling Thunder | Lincoln, England | 16 July 2014 | |
| MadRiders Men's Roller Derby | Madrid, Spain | ||
| Magic City Misfits | Jacksonville, FL | ||
| Manchester Roller Derby | Manchester, England | New Wheeled Order and Chaos Engine | |
| Manneken Beasts | Brussels, Belgium | ||
| Mass Maelstrom Roller Derby | Lancaster, MA | ||
| Men's Roller Derby Japan | Tokyo, Japan | 11 August 2017 | usually known as "Ninjapan" |
| Minnesota Men's Roller Derby | Minneapolis-St. Paul, MN | Twin Cities Terrors | |
| Mohawk Valley Roller Derby | Rome, NY | 23 June 2011 | |
| Montréal Men's Roller Derby | Montreal, QC | Mont Royals, La Poutine de Montréal | |
| New Orleans Brass Roller Derby | New Orleans, LA | 10 May 2016 | |
| North Wales Roller Derby | Maes Hyfryd, Flint, Wales | 24 October 2018 | |
| Nottingham Roller Derby | Nottingham, England | 16 September 2015 | Often called "Super Smash Brollers" |
| OKC Wolfpack | Oklahoma City, OK | 22 December 2014 | |
| Orcet Roller Derby | Orcet, France | ||
| Panam Squad | Paris, France | 20 May 2015 | |
| Philadelphia Hooligans | Philadelphia, PA | Affiliate of Penn Jersey Roller Derby | |
| Pioneer Valley Roller Derby | Northampton, MA | Has a female team and an all/no gender team as well | |
| Pittsburgh Blue Streaks | Pittsburgh, PA | 06 March 2017 | |
| Puget Sound Outcast Derby | Seattle, WA | Membership is from the greater Puget Sound area of Washington state | |
| Quadfathers Men's Roller Derby | Utica, NY | ||
| Race City Rebels | Indianapolis, IN | ||
| Roller Derby Toulouse | Toulouse, France | Team known as Quad Guards | |
| San Diego Aftershocks | San Diego, CA | 22 December 2014 | |
| St. Louis GateKeepers | St. Louis, MO | ||
| Skaters Grimm, The | Antioch, CA | ||
| South Wales Silures | Cardiff, UK | ||
| Southern Discomfort Roller Derby | London, UK | ||
| Sydney City SMASH | Sydney, NSW | ||
| Tampa Bay Men's Roller Derby | Tampa Bay, FL | ||
| Tampere Rollin' Bros | Tampere, Finland | 04 December 2015 | |
| Texas Men's Roller Derby | Denton, TX | Formerly the Denton County Outlaws; Formerly Texas Outlaws | |
| Thunderquads Roller Derby Masculino | Buenos Aires, Argentina | ||
| Toronto Men's Roller Derby | Toronto, ON | ||
| Track'Association | Tours, France | ||
| Tyne and Fear Roller Derby | Newcastle-upon-Tyne, England | ||
| Vancouver Murder | Vancouver, BC | 15 November 2014 | |
| Varsity Derby League | Canberra, Australia | ||
| Victoria Men's Roller Derby | Melbourne, Australia | ||
| West Swedish Roller Derby Society | Gothenburg, Sweden | 16 June 2016 | |
| Wheels of Mayhem | Mexicali, Mexico | 23 August 2016 | |
| Wirral Roller Derby- Pack Animals | Wirral, England | 1 December 2016 | |
| Wisconsin United Roller Derby | Madison, WI | Formerly known as Milwaukee Blitzdkrieg and Wisconsin Men's Roller Derby |
Inactive Leagues:
| League | Metro area | Admitted | Notes |
| Arizona Men's Derby | Phoenix, AZ | ||
| Big O Roller Bros | Omaha, NE | ||
| Bisman Bomberz | Bismarck, ND | ||
| Connecticut Death Quads | Waterbury, CT | ||
| Cowtown Butchers | Kansas City, MO | ||
| Green Bay Smackers | Green Bay, WI | ||
| Hitmen of Manatee County | Sarasota, FL | ||
| Jersey Boys Roller Derby | Springfield, NJ | ||
| Milton Keynes Quads of War | Milton Keynes, UK | ||
| Mountain State Cutthroat Mafia | Salt Lake City, UT | Formerly known as "Uinta Madness" | |
| New York Shock Exchange | New York, NY | ||
| Ottawa Slaughter Squad | Ottawa, ON | ||
| Red Deer Dreadnaughts | Red Deer, AB | ||
| Rock City Riot | Fargo-Moorhead, ND | ||
| Sioux City Korn Stalkers | Sioux City, IA | ||
| Star City Offense | Salem, OR | ||
| Tulsa Derby Militia | Tulsa, OK | ||
| Vermont Men's Roller Derby | Burlington, VT | Formerly the Burlington Bomb Quads | |
| Your Mom Men's Derby | Des Moines, IA | - |
Championships
The MRDA-organized annual championships:| Year | Date | Venue | Champion | Second | Third |
| 2010 | 17 October | Hagerstown, Maryland | New York Shock Exchange | Pioneer Valley Dirty Dozen | Harm City Homicide |
| 2011 | 22 October | Old Bethpage, New York | New York Shock Exchange | Puget Sound Outcast Derby | Magic City Misfits |
| 2012 | 20-21 October | Ballwin, Missouri | Your Mom Men's Derby | St. Louis GateKeepers | New York Shock Exchange |
| 2013 | 19-20 October | Sioux City, Iowa | Your Mom Men's Derby | New York Shock Exchange | St. Louis GateKeepers |
| 2014 | 19-20 October | Seattle, Washington | Your Mom Men's Derby | St. Louis GateKeepers | New York Shock Exchange |
| 2015 | 17-18 October | St. Louis, Missouri | St. Louis GateKeepers | Your Mom Men's Derby | Texas Men's Roller Derby |
| 2016 | 15-16 October | Dallas, Texas | St. Louis GateKeepers | Your Mom Men's Derby | Texas Men's Roller Derby |
| 2017 | 13-15 October | Cwmbran, Wales | St. Louis GateKeepers | Bridgetown Menace | San Diego Aftershocks |
| 2018 | 12-14 October | Salem, Oregon | St. Louis GateKeepers | Portland Men's Roller Derby | Roller Derby Toulouse |
| 2019 | 11-13 October | Denver, Colorado | St. Louis GateKeepers | Magic City Misfits | Texas Men's Roller Derby |
The first Championship was held on 17 October 2010, New York Shock Exchange defeating the Pioneer Valley Dirty Dozen in the final. The second installment, the first to be held under the MRDA name, was contested on 22 October 2011 by the six top-ranked men's leagues, New York managing to defend their title with a narrow win over Puget Sound.
The 2012 Championships were won by Your Mom Men's Derby, who beat St. Louis by a single point, 136-135 in the final, having trailed for almost the entire bout. They won the 2013 tournament by a larger margin, beating New York 249 to 130 in the final. The 2014 final was again won by Your Mom Men's Derby, this time beating St. Louis GateKeepers. The 2015 Championship once again saw Your Mom Men's Derby vs. the St. Louis GateKeepers. The GateKeepers won by a score of 188 to 121.
In 2018 the St Louis GateKeepers won MRDA champs for a record fourth year in a row, after defeating Bridgetown Menace 162-150. This was also the first year a team from outside the USA won Bronze at the Championships.