Moxie Multisport Moxie, Moxie Multisport was formed to provide multisport athletes with a social and supportive environment that makes training and competing in triathlons fun and challenging. We’re comprised of athletes of all levels with a shared passion for triathlons. - See more at: https://www.moxiemultisportatx.com/about/#sthash.kf9ZR1pT.dpuf.