MapsoTri means Maplewood South Orange Triathlon Club.

Mapso Tri is a USAT sanctioned club whose intention is to unite multisport athletes of all levels, for the purpose of education, training and enjoyment. Our members run the gamut from well-seasoned elite triathletes to the beginner, preparing for their first event. If you are interested in triathlon or finding a group to swim, bike and/or run with, Mapso Tri may be right for you.