Anthony Joshua helps set record for largest boxercise lesson ever

Anthony Joshua has earned a spot in the Guinness Book of World Records.

The world heavyweight champion joined Lucozade Sport Fitwater - a new functional water filled with electrolytes that he's a spokesperson for - and more than 500 members of the public at London's York Hall on Monday to set a new world record for the largest boxercise lesson of all time.

Joshua defeated Joseph Parker by unanimous decision last month to become the WBA, IBF, and WBO champion. He now has his sights set on Deontay Wilder as his next opponent.

"Wilder is who I want next," Joshua told Darragh Murphy of JOE.co.uk at Monday's event. "I didn't want to talk about it all that much in the build-up to the last fight because I didn't want to look past Parker but it's Wilder now.

"If he wants to step up then that's what I'm interested in. But he's the only person I'm thinking of right now."