Olympic champion Peres Jepchirchir out of World Championships

Francine Niyonsaba and Olympic 400m champion Steven Gardiner have also scratched from Eugene this week

Caster Semenya to run at World Championships

The 2016 Olympic 800m champion was selected as a late addition to the South African team in the 5,000m

High winds create tricky conditions at Doha Diamond League

The women’s 3,000m and men’s 3,000mSC came down to the wire as winds hit 50 km/h in Doha