Nathaniel Martin of Jamaica College and Shanoya Douglas of Holland High won the under-20 boys and girls 100m titles on Friday at the JAAA national championships at the National Stadium.

Martin’s performance was one of the biggest upsets of the championships as Jamaica College placed first and second in both the under-20 and under-18 finals.

Drawn in lane 2, Martin ran a personal best 10.37 seconds (0.4m/s) to win the final, just ahead of his teammate Dontae Watson who finished in 10.39 seconds, also a personal best. Kingston College’s Nyrone Wade was third in 10.43 seconds.