Triatlon Cluj is an offroad triathlon race at its fourth edition held in the vicinity of Cluj-Napoca. The race is organized by Orca Swim&Triathlon Club in Cooperation with the main sponsor Betfair and is the first day of the Betfair Sports Challenge weekend between 22 and 23rd July 2017. The competitors will swim in the Tarnița Lake, ride the mountain bike on an offroud route near the lake and run a nice trail returning to the starting point.