To cover 26 miles in 4.25 hours, you need to run at approximately 6.11764706 mph, but for general purposes 6.12 miles per hour should be close enough.
8.35 miles per hour
42.86 miles per hour.
5.8646 mph
56 mph
To cover 26 miles in 4.25 hours, you need to run at approximately 6.11764706 mph, but for general purposes 6.12 miles per hour should be close enough.
To cover 18 miles in 18 minutes, you would need to travel at a speed of 60 miles per hour. This calculation is based on the formula: speed = distance / time.
If you have to cover 21 miles in 21 minutes, then you need to cover 1 mile every minute. There are 60 minutes in an hour, so if you kept that up for an hour, you'd cover 60 miles.
8.35 miles per hour
3 miles an hour
42.86 miles per hour.
If my calculations are right you need to travel 20 miles per hour to reach ten miles in thirty minutes.
32 mph
16,666
5.8646 mph
56 mph
120 mph