Sprint great Michael Johnson launching 'Grand Slam Track' league with $100K first prizes
![Sprint great Michael Johnson launching 'Grand Slam Track' league with $100K first prizes](https://static.independent.co.uk/2024/06/18/16/New_Track_League_Athletics_22756.jpg?width=1200&auto=webp)
Sprinting great Michael Johnson is launching a track league that looks to assemble nearly 100 of the sport’s top performers four times a year to compete for $12.6 million in prize money over the season