American Josh Hoey stormed to a new men's 800m short track world record in Boston.
Jamaican Oblique Seville left Olympic champion Noah Lyles trailing in his wake to win the Lausanne Diamond League 100 metres in Lausanne on Wednesday.
Images from the Grand Slam Track meet in Philadelphia on Saturday.
American Noah Lyles made an impressive season debut in the 200 metres to beat Olympic champion Letsile Tebogo at the Monaco Diamond League meeting on Friday, where Kenyan Emmanuel Wanyonyi outclassed a high-class 800 metres field.
Jakob Ingebrigtsen completed a golden double by capturing the men's 1,500 metres title on the final day of the World Indoor Athletics Championships