Australian middle-distance stars Jessica Hull and Olli Hoare stamped their credentials as Paris Olympics medal contenders on a record-breaking day at the Prefontaine Classic in Oregon.
Kenyan runner Beatrice Chebet produced the standout performance of the meet, smashing the women's 10,000m world record by nearly seven seconds, while reigning world champion Josh Kerr took down the great Jakob Ingebrigtsen to win a stacked Bowerman Mile.
