10K Strength Builder is a 50 minute workout designed to improve your anaerobic threshold, strength and sense of pacing. Join Coach Troy as he takes you through a set of hard 'mile repeats' for a challenging workout that promises to have you running a 5K and 10K PR!

This workout is recommend for intermediate and advanced runners and should be done only after a solid base of aerobic running fitness is developed.

Length: 50 minutes

Difficulty level: 9.0