Christopher Taylor, Tywane Crooks, Alesha Kelly and Shanice Walker are the Digicel Grand Prix 400m champions.
All the winners received Digicel Smart phones for the efforts during the GC Foster Classic at the National Stadium on Saturday.
Taylor cruised to 49.61 in the event, after which he said the plan “was to go out there, execute and win comfortably.
Leanardo Legister of STETHS took second spot in 50.10 while Jamaica College’s (JC) Phillip Lemmonious pocketed third in 50.39.
In the Under-20 section, Kingston College’s (KC) Twayne Crooks 45.93 won ahead of JC’s Shawndail McLaren 47.77 and Rogay Granstan of Holmwood, 47.99.
On the female side, Hydel High’s Kelly topped the Under-19 final in 53.95 ahead of Dawnalee Loney of Camperdown 54.38 and Derri-Ann Hill of Vere 55.09.
In the Under-18 section, Vere’s Walker was the winner in 55.77 over Satanya Wright of STETHS 57.80 and Janielle Joseph of St. Andrew High 58.49.