10 mph

(16.1 km/h)

Here's how it looks:

Two-time Olympic US runner Nick Symmonds (with 162 lb weight at 2012 Olympics) with weight of 180 lb running 6-minute mile in 2020 (aged 37)):

in High School he ran two miles in 9:35 (with 130 lb weight). His personal best for a mile was 3:54.9

tell their story on how they improved their time from 7:36 and 8:22 repectively to 6:00 in 3 weeks