You would have to run at 4 miles per hour.
Your time for a mile will be 6 minutes 19.2 seconds.
Your mile pace was 6.56 minutes.
The pace is 10.91 minutes per mile.
The pace to run a half mile in 4 minutes 13 seconds is 7.12 (7.11462451) miles per hour.
60 (minutes/hour) / 9.5 (minutes/ mile) = 6.316 miles per hour
It will take 11 minutes 15 seconds to complete 1.8 miles at that pace.
This equates to a pace of 15 minutes 3.2 seconds per mile.
400 meters in 2 minutes and 59.05 seconds equals a pace of 4.997 miles per hour.
To run 1600 meters at a pace of 10 and a half minutes per mile requires 10 minutes 26.4 seconds.
The pace is a minimum of 7.5 mph
Your pace is 8.6 miles per hour.
A 13k race in 1 hour 11 minutes 35 seconds equates to a pace of 7 min 49 sec per mile.