6.74 mph
It depends on the pace you are running (relative to the pace you are capable of running). If you run at full race pace, you can run two (or perhaps three) marathons a year without long-term damage. If you run at an easy pace, you can run a marathon every month without long-term damage. At an extreme, a superbly conditioned runner going at a VERY easy pace has run marathons on 50 consecutive days.
15:40
The average pace if you run 17 miles in 2 hours 15 minutes is 7.56 mph
125 miles in a month. A year at that pace will get you to 1500 miles.
Maintain a pace of 5.6 miles per hour.
Your pace would be 9.47 mph
She could run 80 miles in four hours at that pace.
Set the pace at 7.1 mph or higher.
Horses gallop (run) at speed of between 17 and 55 mph. the faster the speed the shorter the distance the horse will be able to gallop.
To do the run in 13.049 minutes your pace must be at least 7 mph.
The pace is a minimum of 7.5 miles per hour.
The treadmill pace to run a 10.24-minute mile and a half must be at least 8.8 miles per hour.