https://chall-dreams.blogspot.com/2019/10/42km262miles-again-why-marathon-musings.html
Dreams and hopes of a (former post doc) scientist: 42km/26.2miles - again?! why? (marathon musings)
A blog about science, academia, industry and hockey - life in general
https://math.answers.com/math-and-arithmetic/How_many_miles_per_hour_do_you_have_to_run_2.2miles_in_12_minutes
How many miles per hour do you have to run 2.2miles in 12 minutes? - Answers
2.2 miles divided by 12 x 60 minutes per hour = 11 miles per hour