At lunch today a co-worker, who I thought was a decent runner because he talks about it all the time, was bragging about running 25 miles per week training for an upcoming half marathon. In that moment I instantly and unintentionally altered my impression of him and thought, given his low mileage, he should really talk less about his running in front of people.
I am likely unfair and maybe wrong in my thinking about what mileage people normally run. Is 25 miles a week a lot of running for most people? What is the minimum mileage someone can run per week that you would consider that person to be a serious runner?