Mechelle Lewis Freeman is a track and field Olympian, USA Track and Field relays coach, and the founder and codirector of TrackGirlz, a nonprofit organization that provides access to track and field, empowerment, and sisterhood for women and girls.
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The Beginner’s Guide to Sprint Interval Training
An eight-week sprint interval training (SIT) program that newbies can use to reap the benefits of this intense exercise method — or to prepare for taking your first Ultra Fit class.