You must maintain a pace of 6.75 miles per hour to run 1.8 miles in 16 minutes.
6.92 mph, or round to 7 mph.
10 mph
12 MPH
You would have to run at 60 mph.
5.8646 mph
5.625 miles per hour.
8mph
To do the run in 13.049 minutes your pace must be at least 7 mph.
3.19 MPH
1.5 miles in 16 minutes and 6 seconds equates to a pace of 5.59 mph
10 Mph.
2.33 miles in 20 minutes at 7.0 mph