Jamaica won four gold medals today at the World Athletics Under-20 Championships in Cali, Colombia, and in the process set a new junior world record on the track and a championship record in the field.

Jamaica’s quartet of Tina and Tia Clayton, Kerica Hill and Serena Cole blazed to victory in 42.59 seconds to win gold and set a new girls’ under-20 4-by-100 metre record.

In the boys’ final Jamaica picked up the silver with a time of 39.35 seconds – the same as the winners Japan, while USA was third in a season best 39.57 seconds.

Seventeen-year-old Jaydon Hibbert jumped a championship record of 17.27 metres to claim triple jump gold.

Brianna Lyston won the girls’ 200 metre in 22.65 seconds, while her compatriot, Alana Reid copped the bronze in a personal best 22.95 seconds.

The nation also secured a bronze medal in the boys’ 400 metre hurdles, when Roshawn Clarke clocked 49.62 seconds.

Brandon Pottinger won gold in the high jump when he cleared 2.14 metres.

Meanwhile, Kerrica Hill posted an under-20 world leading 12.87 seconds to win semi-final-2 of the girls’ 100 metre hurdles.

Her compatriot Alexis James also advanced to the final after posting a personal best 12.94 seconds to win semi-final-3.

Earlier, Jamaica’s girls’ 4-by-400 metre relay team advanced to tomorrow’s final. The quartet of Oneika Brissett, Abigail Campbell, Rickianna Russell and Oneika McAnnuff posted a season’s best 3:34.92 to win semi-final-2.

In the boys’ race, Jamaica advanced with a season’s best 3:07.32.

Machaeda Linton qualified for the final of the girls’ triple jump with a personal best of 13.06 metres.

Christopher Young advanced to the final of the boys’ discus, with a throw of 56.74 metres and Kobe Lawrence booked his place with a throw of 57.18 metres.

Jamaica now sits third on the medal table with 13 medals, five golds, four silvers and four bronze.