The latest shoe rules from World Athletics

No, they didn’t change the stack height rule for road racing shoes

What Sifan Hassan wore to run a world record

Check out the exclusive spikes Hassan wore to set the new mile world record

Up close: Usain Bolt’s Olympic 100m golden spikes

Get a close-up of Usain Bolt’s spikes that he wore during his record-breaking 100m on Sunday as the Jamaican once again won Olympic gold.