Usain Bolt's 100-metre world record could come under serious threat later this year - though any new record won't count in the official record books.

Usain Bolt’s legendary 100m world record faces a new kind of challenge as controversial developments spark fresh debate in ...

Usain Bolt’s 100m world record of 9.58 seconds, which was set in 2009 at the World Championships in Berlin, still stands as the fastest sprint in history. Despite advancements in track surfaces, ...

The World Athletics Championships will ignite in Tokyo on Sunday as the men's and women's 100m finals are held. The fastest competitors on the planet will do battle in the suffocating heat, hoping to ...