Challenge Barcelona Triathlon is a multisport event held in October in Barcelona. Participants can select between an aquathlon (swim-run) and various triathlon distances. The event offers an aquathlon S, triathlon XS, triathlon S, and triathlon M. Entries are open for solo, duo, and relay participants across several distances. Additionally, there are courses for children and juniors. The M race features a distinct category for elite athletes.
The primary triathlon distance comprises a 1.5 km swim, a 40 km road bike ride, and a 10 km road run. The sprint distance is shorter: a 750 m swim, a 20 km road bike ride, and a 5 km run. The aquathlon consists of a 750 m swim and a 5 km road run. This variety of distances positions the event as a Barcelona triathlon weekend catering to elites, relay teams, new participants, and young athletes.