Rat City Roller Derby is a women's flat-track roller derby league in Seattle, Washington. Founded in 2004 as Rat City Rollergirls, LLC, the league has incorporated alternative cultural influences, and has inspired and mentored other leagues. Rat City is a founding member of the Women's Flat Track Derby Association (WFTDA), and has achieved success on the WFTDA stage, qualifying for WFTDA Playoffs every season, including a second-place finish in the 2007 WFTDA Championships.
Providence Roller Derby (PRD) is a women's flat track roller derby league based in Providence, Rhode Island. Founded in 2004 as the first all-female flat-track roller derby league in New England, Providence is a founding member of the Women's Flat Track Derby Association (WFTDA).
Houston Roller Derby (HRD) is a women's flat track roller derby league based in Houston, Texas. HRD was founded in early 2004, and is a founding member league of the Women's Flat Track Derby Association (WFTDA).
Toronto Roller Derby (ToRD), is a women's flat-track roller derby league in Toronto, Ontario, Canada. Formed in 2006, the league started play in 2007, and held its tenth season in 2016. Operated and managed by its skaters and members, ToRD has four house teams, one rookie travel team, and one WFTDA charter travel team. Since 2011, the league has operated out of a space in Downsview Park, but announced in January 2015 that they were in search of a new home. They moved to another space near Downsview Park from 2015 - 2020. When the pandemic hit they lost the venue, and postponed practices until 2022. Since then they have moved to a new venue. After the pandemic the team's Chicks Ahoy!, Gore-Gore Roller Girls, Death Track Dolls and The Smoke City Bandits have been disbanded and the teams that remain are The All Stars and The Toxins.
Lincolnshire Bombers Roller Derby is a flat track roller derby league, based in Lincoln, England. Lincolnshire is a member of the United Kingdom Roller Derby Association (UKRDA) and the Women's Flat Track Derby Association (WFTDA).
Tampa Roller Derby (TRD) is a flat track roller derby league based in the Tampa Bay Area. Founded in 2005, Tampa Roller Derby is a member of the Women's Flat Track Derby Association (WFTDA).
The WFTDA's East Region was formed in 2006.
The Women's Flat Track Derby Association's (WFTDA) West Region was formed in 2006. In 2009, teams from the eastern part of the region were moved into the North Central and South Central Regions.
Tri-City Roller Derby is a women's flat-track roller derby league in Kitchener, Ontario. On December 1, 2010, Tri-City became the third Canadian roller derby league to be granted membership in the Women's Flat Track Derby Association, Having only completed two full home seasons, Tri-City gained membership status with WFTDA ahead of their Toronto-based sisters at Toronto Roller Derby.
Memphis Roller Derby, or MRD, is a women's flat-track roller derby league based in Memphis, Tennessee. Founded in 2006, Memphis Roller Derby is a member of the Women's Flat Track Derby Association (WFTDA).
Forest City Roller Derby is a women's flat-track roller derby league based in London, Ontario. Founded in April 2006, Forest City is one of the first flat-track roller derby leagues in Canada, and is a not for profit organization owned and operated by the skaters. Forest City is a member of the Women's Flat Track Derby Association (WFTDA).
Central City Roller Derby (CCR) was a women's flat track roller derby league based in Birmingham, United Kingdom. Founded in 2007, the league was a member of the Women's Flat Track Derby Association (WFTDA) and played under the WFTDA ruleset.
Bay Area Derby, formerly B.ay A.rea D.erby Girls, is a women's flat-track roller derby league based in the San Francisco Bay Area. Bay Area Derby (BAD) was founded in 2004 and is a founding member of the Women's Flat Track Derby Association (WFTDA). BAD is a skater-owned and -operated 501(c)(3) non-profit league. The league is composed of four teams for intra-league play, and an all-star travel team that competes nationally. As of 2016, BAD was ranked in the top 20 overall in WFTDA.
The No Coast Roller Derby is a co-ed flat track roller derby league based in Lincoln, Nebraska. Founded in 2005, the league currently consists of two mixed teams which compete against teams from other leagues. No Coast is a member of the Women's Flat Track Derby Association (WFTDA).
FoCo Roller Derby, formerly FoCo Girls Gone Derby, is a women's flat track roller derby league based in Fort Collins, Colorado. Founded in 2006, the league currently consists of two teams, and two mixed teams which compete against teams from other leagues. FoCo is a member of the Women's Flat Track Derby Association (WFTDA).
Wasatch Roller Derby (WRD) is a women's flat track roller derby league based in Salt Lake City, Utah. Founded in 2008, Wasatch is a member of the Women's Flat Track Derby Association (WFTDA).
Junction City Roller Dolls (JCRD) is a women's flat track roller derby league based in Ogden, Utah. Founded in 2008, the league consists of a WFTDA ranked travel team (Trainwrecks) and a team consisting of new skaters and other experienced skaters unable to travel often. Junction City is a member of the Women's Flat Track Derby Association (WFTDA).
Dead End Derby (DED) is an all-inclusive flat track roller derby league based in Christchurch, New Zealand. The league currently consists of 2 teams. Two competitive adult travel teams, the "Death Stars" A team and "Living Dead Rollers" B team.
Monterey Bay Roller Derby (MBRD), formerly Monterey Bay Derby Dames, is a women's flat track roller derby league based in Monterey, California. Founded in 2010, the league consists of two teams which compete against teams from other leagues, and the league is a member of the Women's Flat Track Derby Association (WFTDA).
Boulder County Roller Derby (BCRD) is a women's flat track roller derby league based in Longmont, Colorado. Founded in 2011 as the Boulder County Bombers, Boulder County is a member of the Women's Flat Track Derby Association (WFTDA).
