Welcome to TriColumbus Triathlon Club! TriColumbus Triathlon Club is a social and training community of Columbus, Ohio area triathletes. Club members include triathletes of all ages and abilities, from beginners to age group winners. TriColumbus Triathlon Club is an official USAT-registered club that organizes community workouts, social events, race support, clinics, and a range of discounts with local and national partners. We love Central Ohio. We love triathlon!