National records, world leads set at Doha Diamond League

McSweyn set an Australian record in the 1,500m while Kipyegon, Obiri and others set world leading times in their events

How masters athlete Jim Dyck became a Canadian record-holder

Despite few racing opportunities, Dyck has run two Canadian M55 records on the track this summer

Caster Semenya loses appeal over 2019 testosterone ruling

Semenya will not be allowed to race her primary event and also cannot appeal any further