Question

The record for the boston marathon's weelchair division is 1 hour, 18 minutes, and 27 seconds.The boston Marathon is 26.2 miles long.What's the average speed of the record winner of the weelchair division?

Answer 1

Speed = Distance / Time

Here, d = 26.2 miles
t = 1 h, 18m, 27s = 1.3075 hours

Substitute the values, 
S = 26.2 / 1.3075
S = 20.04 mph

In short, Your Answer would be: 20.04 miles per hour

Hope this helps!