26.2: The Engineering of Marathon Running

With 50,000 runners stepping with 475-lb force
3 times per second, it’ll be time to fix the roads!

Huff…owww…puff…ouch…pant.  Just nine miles to go this morning…that’s just 18,000 steps…


I am writing this entry from New York City, where the 45th NYC Marathon will take place this Sunday.  On that date, 50,000 hardy souls will run 26.2 miles through the streets of NYC’s 5 boroughs.  For some of these 50,000, a marathon is a regular event (for example, 69 year old Larry Macon set a record by running 239 marathons in 2013).  For others, it will be a first time try – which may end up being the first of many (who knows, maybe there’s a future Larry Macon in the bunch), or it might simply be a onetime only thing, meant to check off one more item on a bucket list. Continue reading