Joshua Cheptegei to run 3,000m world record attempt on Wednesday

With four world records to his name already, Cheptegei is looking to add a fifth

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

Karissa Schweizer smashes 3,000m American record at Boston University

Three Bowerman Track Club athletes ran faster than the previous American record yesterday in Boston