Group of children running a race on a cement track. Camera focuses on all runners, girls and boys included. Shot from the back as they cross the finish line. Several children measuring their pulses in a circle. Close up on two children racing - scene of girl crossing the finish line. Computer graphic of two runners. Two runners racing again, CU of boy as he passes the finish line. Computer graphic of four children running. Scene of several children running, with several CUs of individual runners. Slowed-down shot of the start of the race.