temperatures around 30 degrees celsius, ingebrigsten timed his finish brilliantly to overtake spain's mohamed katir at the line. the kenyanjacob krop took the bronze medal. it's a great honour and a big achievement to win a world championship and i have a great team around me helping me both mentally and physically to prepare myself for this race. but for me a big motivation is to do my best. mary moraa of kenya won gold in the final of the women's 800m. morra moved in to top gear in the last hundred metres. britain's keely hodgkinson, who'd run the fastest over the distance this year, took the silver medal. olympic champion and defending champion athing mu was third i think everybody from kenya, my coaches, everyone encouraged me that's i was going to get a medal, but we can't predict which medal and i'm happy for everything. the united states cruised to victory in the final of men's four x 400m. the americans finished well ahead of the french quartet. one year out from the paris 0lympics, that was france's only medal at these championships. great britain took bronze. the netherlands won the final