For those who think I may be swearing, FKT stands for “fastest known time”. It is — as the cryptic name suggests — the fastest someone has completed a particular course or route.

FKTs are not run as official races on specific dates. Rather, anyone can attempt an FKT whenever they feel like it.

FKT records are held by running and hiking royalty. That’s how it started and that’s where it officially remains. The website fastestknowntime.com (https://fastestknowntime.com/) tracks FKTs from all around the world...