Find the rate for the number of minutes per mile. (# of minutes/mile)
33 minutes/5 miles = 6.6 minutes/mile
It takes him 6.6 minutes to run a mile, so you can multiply 26.2 miles by 6.6 minutes to find how long it takes him to run 26.2 miles.
26.2(6.6) = 172.92 minutes