It was a good opening session for Jamaican athletes at the 10th IAAF World Under 18 Championships in Nairobi, Kenya, as four of five athletes involved advanced to the next round of the competition in their respective events. Tyreke Wilson, who was the first Jamaican in action, won his heat in the boys 100m in 10.60 seconds, the sixth fastest time overall as he comfortably moved into the semi-finals, which take place later on Wednesday morning (Jamaica time). Shaquena Foote (56.18) was second in her heat of the girl’s 400m and seventh overall in her progression to the semis. Anthony Cox with a personal best 46.53 seconds and Antonio Watson, 47.22 seconds, won their heats of the boys 400m to be the fastest two moving forward to the semis of the event. The second session will get underway at 8:55 a.m. (Jamaica time). Thrower, Kimone Reid with a best of 40.84, in the girls discus failed to advance after finishing 15th overall in the qualifying round. Six Jamaicans are down to compete when the second session of competition gets going. Wilson will be the first as he will compete in the third semi-final of the boys 100m at 9:14 a.m and will run out of lane three. Safin Wills in Group A and Owayne Owens in Group B will both feature in the preliminary round of the boys triple jump competition that starts at 9:25 a.m. At 9:40 a.m, Tyrese Reid will run out of lane eight in heat 1 of the boys 800m with Kimar Farquharson facing the starter in the second heat. Kevona Davis will line up in the girls 100m heats, which gets started at 10:45 a.m.