Jamaica’s female and male quartets both looked mightily impressive in the heats of the 4x100m relays on day four of the World Athletics Under-20 Championships in Lima, Peru on Friday.

The female team comprising Sabrina Dockery, Alliah Baker, Briana Campbell and Alana Reid first combined to easily win their heat in 43.81, the fastest time in qualifying.

Puerto Rico, who ran a national Under-20 record 45.28 in second in that heat, also made it through to Saturday’s final.

On the men’s side, the team of Jace Witter, Gary Card, Nyrone Wade and Deandre Daley won their heat in 39.54, also the fastest time in the heats.

Trinidad & Tobago’s team of Che Jean-Marc Wickham, Kadeem Chinapoo, Hakeem Chinapoo and Dylan Woodruff will also be in the final after combining to run 39.77 to finish second behind the Jamaicans in heat four.

Jamaica’s women also advanced to the final of the Women’s 4x400m. Abrina Wright, Shanque Williams, Anecia Campbell and Nastassia Fletcher combined to run 3:38.04 to finish second in their heat behind Colombia who won in 3:38.01.

In the field, Jamaica’s Shaiquan Dunn threw 57.82m to advance to the final of the men’s discus.