Natalia Hawthorn runs breakout 1,500m in local time trial

Hawthorn ran a 4:07 1,500m on Friday night for her second massive PB this month

Time trials are producing huge personal bests

How time trials have produced some of Canada’s best-ever performances

Weekend recap: the biggest week of running results since March

Mohammed Ahmed, John Gay, Rory Linkletter and Shelly-Ann Fraser-Pryce ran some insane times over the weekend