Boston Triathlon

The Columbia Threadneedle Investments Boston Triathlon is the only triathlon to take place in the City of Boston. The race draws athletes from all around the world, the country, the state and the city of Boston. Each summer, athletes descend on the South Boston waterfront for two days of racing. Now in its 11th year, the Columbia Threadneedle Investments Boston Triathlon is a fixture in the community, with Olympic and sprint distance triathlons, the Boston Corporate Cup competition and an all-ages Kids Day. The race is produced by ethos, a mass participation event organization created to bring athletes together through challenging and unique sporting events. ethos also produces the Lobsterman Triathlon in Freeport, Maine.