(MizFit note: this guest post is brought to you by the awesome, runTASTIC Meghan Reynolds) We created this workout for people who are short on time, don't have access to a track and want to lose weight. It consists of alternating speed and recovery intervals, i.e. a HIIT (High-Intensity Interval Training) workout. HIIT workouts increase your metabolism and bring a new quickness ... Continue Reading