World Athletics president Sebastian Coe insisted Wednesday that he wanted Michael Johnson's four-meet Grand Slam Track series to be a success that adds lustre to the sport.

Lord Coe does not see Grand Slam Track as a threat to World Athletics - The new track event is scheduled to make its debut in 2025.

Michael Johnson's Grand Slam Track is set for its inaugural season in 2025 - but what is it all about, what does it mean for athletics and will it come to the UK?

Grand Slam Track, a series of four meets in which 48 of the fastest men and women in the world race for $12.6 million in prize money, will begin in Jamaica in April and come to L.A. in June.

World Athletics chief Seb Coe says Michael Johnson's new track initiative is no threat to the governing body, and he wishes the new competition every success.

Sprinter Daryll Neita becomes the first British woman to join Michael Johnson's new athletics league, Grand Slam Track.

World Athletics President Sebastian Coe insisted Wednesday that he wanted Michael Johnson's four-meet Grand Slam Track series to be a success that adds lustre to the sport. Former Olympic sprint champion Johnson'

World Athletics President Sebastian Coe said he welcomed a number of innovative new track start-ups shaking up the sport's status quo, as athletics moves to draw in more eyeballs after another successful Olympics.