If you run at a speed of 3yards per second about how many miles per hour do you run

(3 yards / sec) * (3 ft / yd) * (mile / 5,280 ft) * (60 sec / min) * (60 min / hr) = miles / hr

3*3 * (1/5280) * 60*60=9*3600 * (1/5280)

32400/5280=6.136

the runs 6.136 mi/hr