The 1500m world champ is currently a free agent on the coaching front but was recently seen training with Tomasz Lewandowski's group. Will he also switch shoe companies from Asics to Nike? "Of course it’s not often [someone changes coaches after winning Worlds], but it happens. I’ve been in this business for 42 years and he’s not the first one to change coaches after a big success. But they are still very close, they are good friends, there isn’t any type of problem between them. Enrique understood Isaac’s decision," said his agent. *MB: Shock 1500m world champ Isaac Nader makes a shock decision - he's leaving his coach. Will he switch toTomasz Lewandowski? 

Great Britain's Jake Wightman made the same move with 200m to do that he did to win the 2022 Worlds, but it came up just short this time as Portugal's Isaac Nader stunned everyone to win in 3:34.10.