Maine Roller Derby (MRD) is Maine’s first women’s flat track roller derby league. They are a proud league member of the Women's Flat Track Derby Association (WFTDA), and are one of the hundreds of leagues across the nation that have embraced the quickly-growing sport of roller derby as it is skated on a flat track.MRD seeks to foster professional, personal and athletic advancement for all the league's members through training for, promoting and playing the sport of roller derby. The league regularly recruits new skaters and volunteers and hosts a home season February-June, along with several fundraising events throughout the year. Nevermind these things down here...mrd, maine, roller, derby, rip tides, port authorities, calamity janes, portland, skate 更新內(nèi)容： 更穩(wěn)定、更優(yōu)質(zhì)，邀您一起體驗。