The Women’s Flat Track Derby Association (WFTDA) is the international governing body of women’s flat track roller derby representing more than 450 member leagues on 6 continents. The mission of the WFTDA is to govern and promote the sport of flat track roller derby and revolutionize the role of women in sports through the collective voice of its member leagues around the world. The WFTDA sets the international standards for rankings, rules, and competition each year and provides guidance and resources to the sport of flat track derby.

The WFTDA is a 501(c)(3) tax-exempt organization governed by a volunteer Board of Directors.

The WFTDA’s Executive Director is Erica Vanstone.


The Women’s Flat Track Derby Association (WFTDA) began as the United Leagues Coalition (ULC) in 2004, consisting of a handful of flat track roller derby leagues, each owned and operated by skaters sharing the singular, driving compulsion to re-imagine roller derby as a modern sport.

In 2005, 20 flat track roller derby leagues were represented at the historic first meeting of the ULC, with the goal of developing the guiding principles and aspirations of the organization. Following that meeting, the ULC voted to change its name to the Women’s Flat Track Derby Association (WFTDA) to reflect the organization’s goals.

The WFTDA opened its doors to new members in September 2006 and has since welcomed hundreds of new member leagues into the association.

Important Links

WFTDA is committed to fostering an environment in which roller derby participants are safe from harassment, abuse, and discrimination. In April 2018, WFTDA along with JRDA and MRDA held a public online town hall meeting to discuss these issues with the roller derby community. A recap and recording of that webinar is available here.

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