Quote:
Originally Posted by CFD
Do some research on HIIT. As well as being superior in fat loss it also builds strength AND endurance which is beneficial for your needs.
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Trust me when i say this, There is no replacement for running 12 , 16, 18 miles. NO matter how many sprints you do. It is about being able to maintain. However Hiit can assist in increasing your speed, it will not increase your distance.