This should take a 9-12 year old to run a mile is 6-9 min.
9mins
A 28 year old female should be able to run a mile in about 7 minutes. Therefore, a three mile run should take about 21 minutes.
3.4 centimeters per year, so multiply that by one mile or one kilometer (0.6 of a mile)
About one year.
A nine year old girl could potentially beat the world record for the 100m run in her age group, or for an event such as the longest time spent hula hooping.
This is a personal thing, you need to know how fast on average that you run. This is best done by averaging how long you run in say 5 or a 10 mile session and record the time.
not at all if your a intermediate runner beginners usually take about 12 mins for a mile
fast.
Should be fine as long as he takes the correct doses.
an ten year old boy would run 6-8 minutes to run in a mile
At 71 I walk a mile 14 min 17 sec and run a mile 11min 55 sec.
well it depense on if the 6 year old can run fast or not