Why is a marathon 26.2 miles?
Why is a marathon 26.2 miles?
The London Marathon has become a hotly-contested annual event (Picture: Getty Images)
The London Marathon returns this year, after the coronavirus pandemic forced its traditional form to be shelved back in 2020.
Runners will take to the streets on Sunday, October 3, in a route that will take them from Blackheath in the southeast of the capital all the way to the finish line at The Mall.
The…