As part of the 15th Beijing Olympics City Sports and Cultural Festival, a triathlon designed for youngsters kicked off in Changping district on Sunday.

The event fully considers the physical characteristics of teenagers of different age groups and has set up different competition categories according to their age, namely U9, U12 and U15.

In the U9 category, participants are required to finish a 300m swim, a 6.4km bike ride and a 1.6km run. For the U12 and U15 groups, the challenge includes a 300m swim, an 8km bike ride and a 1.6km run.