Traditionally, Triathlon is an individual sport: each athlete is competing against the course and the clock for the best time. Like so, the athletes are not authorized to inside receive attendance of any other person or outside the race, with the exception of race sanctioned by the aid of volunteers who distribute to foods and water in the course. This also the general prohibits the tactics of the equipment, like the elaboration, tactics of the bicycle in which several pilots of fence group themselves to reduce the air resistance of the group.
This has begun to change with the introduction of Triathlon in the Olympic Games. Many races of Olympic distance, including the Olympic Games of themselves and Glasses of World ITU, now allow the writing during the cycling stage. This change has provoked an ample debate between the community of Triathlon, with those in favor of the sensation of which it brings the norms of Triathlon and in greater consonance with the norms and international practices of cycling, and the opponents sensation of which the writing has the potential to deny the profits reached about an individual in swimming, and the gains an individual would have the potential to reach during the cycling stage. Writing has turned the standard format for events of the UIT at professional level and the Olympic Games. Nevertheless, most of the fan events not to conserve the writing format.
Triathlons is moderate the time in five sections: 1) from the beginning of swimming to the beginning of the first transition (time of swimming), 2) from the beginning of the first transition to the end of the first transition (T1), 3) from the beginning of the bicycle to the end of the cycling stage (hour of cycling), 4) from the beginning of the second transition to the end of the second transition (T2 time), 5) and, finally, from the beginning of the race stop At the end of the race, moment at which Triathlon has been completed. The results publish generally in the official Web sites and they are for each triathlete its time of I swim, the cycle time (with transitions including); run time, and the total time. In some races also the times of separated transition post.