Roller derby is a roller skating discipline and contact sport played on an oval track by two teams of five skaters.
Roller derby began in the early 20th century as an endurance skating race during the Great Depression. In 1935, Leo Seltzer, a Chicago event promoter, took it a step further, creating a spectacle that blended competitive racing with physical contact - a departure from mere endurance racing. Early competitions, which featured mixed-gender teams on banked tracks, captivated audiences with their physicality and unexpected collisions.
Over the following decades, roller derby evolved considerably. Races that began as long-distance endurance contests took on the structure of high-paced, strategic bouts. The sport's rules were standardized in the 1940s and 50s. The game began to emphasize team strategy as much as physical endurance.
Although the sport experienced a decline in later years, a grassroots revival in the early 2000s, spearheaded by leagues such as the Texas Rollergirls, brought fresh energy, inclusivity, and reformed gameplay practices, while embracing a flat-track format. This made the sport more accessible, helping to spread its popularity beyond the United States.
A roller derby bout is structured around a series of themed segments, known as jams, which generally last around two minutes each. Each bout typically consists of two 30-minute halves, punctuated by pauses for transitions and adjustments in strategy. During a jam, one designated offensive player, known as a jammer, attempts to score by lapping opposing players. A critical figure in the jam, the lead jammer, has the power to end the jam at a strategic moment once she has broken through the pack, potentially altering the outcome of the match.
Defensively, teams deploy a group of players collectively known as blockers. Their responsibilities are to assist their own jammer in scoring while obstructing the opposing jammer's progress. Complementing the blocker is the pivot, a versatile player who, beyond assuming a defensive role, may become an offensive asset when the opportunity arises.
The rules enforce strict guidelines emphasizing safety. Infractions, such as using dangerous physical contact or targeting vulnerable body parts, result in time penalties. Every decision, from the timing of the jam's conclusion to the legal tactics employed during play, is governed by a well-defined ruleset that balances competitive intensity with player safety.
Strategy is as dynamic as its fast-paced gameplay. The jammer's primary focus is to strategically navigate through the pack, taking advantage of any defensive gaps to accumulate points. This requires speed as well as agility and tactical acumen to outmaneuver blockers while avoiding illegal contacts. Meanwhile, the pivot serves as both a defensive and offensive pivot point, often acting as a substitute jammer when the situation demands a sudden shift in strategy. The remaining blockers deploy coordinated tactics, using body positioning, coordinated movements, and even feints, to impede the opposing jammer while opening lanes for their own offensive plays.
Teams spend significant time perfecting these strategies. Practice sessions often resemble chess matches on wheels, where every movement is meticulously planned and countered. The balance between aggression and finesse is delicate, as teams have to constantly adjust their strategies in response to those employed by the opposing team.
Modern roller derby is governed by a range of organizations that ensure standardization, safety, and fairness in play. Organizations like the Women's Flat Track Derby Association (WFTDA) have codified the rules, hosted competitions, promoted athlete safety, and supported the development of new leagues. Other associations support either mixed-gender or men-only roller derby. The largest organization supporting male roller derby is the Men's Roller Derby Association (MRDA). In the United States, the Junior Roller Derby Association (JRDA) governs play by those under 18. Some leagues in the United States decline affiliation with a national organization because they prefer local governance.
Today, roller derby is played in more than 500 leagues across six continents, although it is most popular in the United States, Europe, and Australia. Women's roller derby is far more popular than the mixed-gender or male-only versions of the game.
Topics related to roller derby are the focus of this part of our guide.
 
 
Recommended Resources
Based in Phoenix, the AZRD is Arizona's first all-female roller derby league. Founded in 2003, the league was one of the founding members of the Women's Flat Track Derby Association. Its teams include the Arizona All-Stars (A team), Arizona Rising (B team), Bad News Beaters, Surlies, Midnight Storm, Skate Riot Project, Rumbleweeds, Valley Rollers, and Desert Phantoms, each of which is highlighted on its website, along with schedules, officials, and an online shop.
https://arizonarollerderby.com/
Hosting the Socialites (A team) and the Party Crashers (B team), the CCRD was founded as the Circle City Roller Girls in 2008, and was accepted into the Women's Flat Track Derby Association (WFTDA) in 2011, becoming a full member the following year. The Indianapolis league competes against leagues across the Midwest and welcomes skaters of all levels and backgrounds. A schedule of events, ticket options, sponsors, and contact data are published on the website.
https://www.circlecityrollerderby.com/
The DDD is a flat track roller derby league in Dallas, Texas, and the surrounding area of Fort Worth. Founded in 2004, the league is the original North Texas roller derby league, boasting a current roster of over 100 active skaters. Its teams include the Death Row Rumblers, High Seas Haughties, Wrecking Crew, Slaughterers, All-Stars, Y'AllHalla, Rolling Rebellion, Dominion, and Dallas Junior All-Stars. The DDD is an original member of the Women's Flat Track Derby Association.
https://www.derbydevils.com/
Headquartered in Newport Beach, California, all matches are played in the Extreme RollerDome, which features a banked track augmented by a 25-foot, 45-degree ramp, where head-to-head jamming ignites intense matchups right from the start. The league mixes female jammers with male blockers, and vice versa, creating dynamic gameplay and honoring the storied past of roller derbies. Teams, rules, schedules, a skater form, and branded merchandise are available, along with contacts.
https://www.extremerollerderbyleague.com/
The Hudson Valley Horrors Roller Derby is a women's flat track roller derby league based in Hyde Park, New York. Founded in 2006, the league hosts two teams: the Horrors (A team) and the zomBsquad (B team), which compete against teams from other leagues. The league is a member of the Women's Flat Track Derby Association (WFTDA). The sport, the league, and its membership policies are outlined on its website, along with schedules, a blog, and an online shopping page.
https://www.horrorsrollerderby.com/
Indianapolis Junior Roller Derby
The IJRD is a non-profit organization dedicated to empowering young athletes through the sport of roller derby. As a junior league, it features skaters aged 7 to 17, where they learn not just skating skills and game strategy, but also life skills such as teamwork, leadership, and character development. General information about the game is offered on its website, along with bout schedules, practice schedules, membership information, a photo gallery, and contact data.
https://ijrd.org/
Playing in Covina, California, Infinity Roller Derby is a non-profit roller derby league operating under the rules and guidelines of the Women's Flat Track Derby Association (WFTDA). Game schedules, membership information, and contact data are offered on its website, which also discusses opportunities to participate as a competitor, a volunteer, a sponsor, or a supporter of the program. A diagram of the track, along with an overview of roller derby game play is included.
https://www.infinityrollerderby.com/
Junior Roller Derby Association
The JRDA is a public, non-profit organization charged with advancing junior roller derby, a version of the sport tailored for children and adolescents up to 18 years old. The JRDA partners with junior roller derby leagues across the United States and internationally, establishing standardized rules and promoting safe play styles. Established in 2009, the JRDA has provided guidelines and resources for starting new leagues, and both training and coaching programs.
https://www.juniorrollerderby.org/
Men's Roller Derby Association
The MRDA is the international governing body of men's flat track roller derby. Founded in 2007 as the Men's Derby Coalition, it was renamed in 2011. MRDA member leagues play under the rules of Flat-Track Roller Derby, originally designed by the WFTDA. Membership requirements, code of conduct, discrimination policies, tournament dress code, the board of directors, and information about starting a league are set forth, along with schedules, and an online shopping area.
https://mrda.org/
Based in the Minneapolis-Saint Paul metropolitan region, the flat-track roller derby league was founded as the Minnesota Rollergirls in 2004 and is a member of the Women's Flat Track Derby Association (WFTDA). Its teams included Bodies of Water, Maul Rats, Roller Vortex, Wednesday Warnings, All-Stars, Officials, Windchill, and Frostbite, each of which are highlighted, along with the league, its announcers, event schedules, sponsors, ticket options, and an online store selling branded apparel.
https://www.mnrollerderby.com/
Founded in 2006 as Nashville Rollergirls, the Nashville Roller Derby is a women's flat track roller derby league based in Nashville, Tennessee. The league is a member of the Women's Flat Track Derby Association (WFTDA) and plays its home games at the Nashville Municipal Auditorium. The organization has two travel teams: the Music City All Stars and the Music City Brawl Stars. Its skaters are introduced, along with game schedules, sponsors, and an online store selling branded merchandise.
https://nashvillerollerderby.com/
Roller derby in New Zealand has experienced significant growth over the past decade. At the forefront is Team New Zealand, the national women's flat track team that was established in 2011 in anticipation of the inaugural Roller Derby World Cup. The team and training staff are introduced, along with a schedule of events, acknowledgements of sponsors and supporters, an online store offering branded apparel, gifts, and other merchandise, and an online contact form.
https://newzealandrollerderby.com/
Skater-owned and operated, the NTRD is based in Denton, Texas, where they are known as a community-driven organization welcoming of participants at all levels, from complete beginners, who can learn the basics through its Rising Phoenix Program, to experienced skaters looking for competitive bouts. The organization is affiliated with the Women's Flat Track Derby Association (WFTDA). Its teams are highlighted on its site, along with membership information, schedules, and contacts.
https://www.northtexasrollerderby.com/
OVRD is a flat track roller derby league in Ottawa, Ontario, Canada. The league was created in 2018 through the merger of the Rideau Valley Roller Derby and Capital City Derby Dolls. Affiliated with the Women's Flat Track Derby Association (WFTDA), the league consists of the Rapids (WFTDA charter team), the Riptides (Travel B team), the Valley Cats, and Street Rats (house teams), and its Ottawa Junior Roller Derby League, each of which are introduced here, along with schedules.
https://ottawavalleyrollerderby.com/
QCRD is a flat track roller derby league in Buffalo, New York. Founded in 2006, the league is a member of the Women's Flat Track Derby Association (WFTDA), and has played its home games at Buffalo RiverWorks on the city's waterfront since 2016. Its teams include Lake Effect Furies (A team), Subzero Sirens (B team), Alley Kats, Devil Dollies, and Saucies. Event schedules, ticket options and sales, scores, standings, contacts, and an online store are featured.
https://www.qcrg.net/
A founding member of the Women's Flat Track Derby Association (WFTDA), the roller derby league is based in Seattle, Washington. The league supports skaters at various points in their careers, beginning with its training team (Maul Rats), its recreational team (Mischief), and its home teams (Derby Liberation Front, Grave Danger, Throttle Rockets, Ship Wreckers), with its most elite players playing for WFTDA rankings through its All-Stars Program. Event schedules are posted on the site.
https://ratcityrollerderby.com/
Based in Reading, Pennsylvania, Reading Roller Derby competes as part of the Women's Flat Track Derby Association (WFTDA). Its events include regular session bouts held at venues like Skateaway in Shillington, as well as special events like the RDG Jam Fest. The website also provides information on participating as a player, an official, a sponsor, or a supportive fan. Team members are introduced, including player and game photos, and an online shopping area.
https://readingrollerderby.com/
Roller Derby Coalition of Leagues
The RDCL is a collective dedicated to promoting and growing the sport of women's banked track roller derby. Established in 2011, the coalition serves as a hub for leagues to share best practices and standardize rules, while also fostering community, competition, and growth within the sport. The RDCL facilitates communication between leagues, develops rules and signals, and hosts national events across the United States. Rules, signals, and an official's workbook are featured.
https://therdcl.com/
Established in 2011, the Roller Derby World Cup is an international women's roller derby tournament formerly organized by Blood & Thunder Magazine, and currently organized by the Roller Derby World Cup Committee. Teams of amateur skaters from around the world compete for their respective nations. The teams that will be competing in the upcoming tournament are listed, along with event information, ticket options, sponsors, livestreaming options, and an online store.
https://rollerderbyworldcup.com/
The Rose City Rollers is a women's flat track roller derby league based in Portland, Oregon, and a founding member of the Women's Flat Track Derby Association (WFTDA). Established in 2004, the league features a recreational program, four adult local home teams (Break Neck Bottles, Guns N Rollers, Heartless Heathers, High Rollers), an all-star travel team (Rose City All-Stars), junior home teams (Bleeding Hearts, Death Scar Derby Droids, The Undead Avengers, Rainbow Bites), and junior teams.
https://rosecityrollers.com/
TXJRD is a non-profit junior sports club based in Austin, Texas, that introduces young people (aged 8-17) to the high-energy sport of roller derby. TXJRD runs a School of Derby designed for aspiring derby players; it consists of a six-week training session focused on safety fundamentals, skating skills, and basic roller derby techniques, and is taught by experienced coaching staff. TXJRD also fields competitive teams, which are introduced on the website, along with schedules.
https://txjrd.org/
Formerly known as the Texas Lonestar Rollergirls, TXRD was founded in 2001 and includes the following teams: Cherry Bombs, Helicats, Hired Gun$, Holy Rollers, Putas Del Fuego, and Rhinestones, each of which are featured here. Open to all women, transgender, intersex, and gender-expansive athletes, TXRD is the only banked-track league to allow both fighting and a penalty wheel, both real and unscripted. Retired skaters, legacy members, and sponsors are introduced.
https://txrd.com/
USA Roller Derby represents the United States in international roller derby in events such as the Roller Derby World Cup. Founded in 2011, the organization was initially named Team USA, but a trademark challenge from the U.S. Olympic Committee prompted it to change its name. Its charters, past charters, sponsors, partners, and an online contact form are provided. Interested visitors may sign up with their email address to receive news and updates. An online store is also featured.
https://teamusarollerderby.com/
Women's Flat Track Derby Association
The WFTDA is the international governing body for women's flat track roller derby. Founded as the United League Coalition in 2004, the organization was renamed the following year. The WFTDA establishes international standards for ranking, rules, and competition in the sport, while also providing guidance and resources to support the development of the sport. Member leagues are featured on the website, along with membership information, a schedule of events, and contacts.
https://wftda.com/