Kenya’s Faith Kipyegon reacts as she crosses the finish line in the women’s 1500m final on August 10, 2024. (Photo by Jewel SAMAD / AFP) The Diamond League meeting in Xiamen is the season’s first leg as athletes prepare for the World Championships. Former US sprint star Johnson founded Grand Slam Track, which debuted in Kingston earlier this month. AFP, Paris Faith Kipyegon and Beatrice Chebet head up a stellar cast of athletes kicking off the 16th Diamond League season in Xiamen on Saturday amid a changing landscape that has seen Michael Johnson launch his Grand Slam track series. Kipyegon…