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Ready to really build that endurance? Incorporate tempo intervals once per week into your usual cardio and strength training program. For more workouts from ACE, visit www.acefitness.org/workouts.
Originally posted October, 2012. Updated May, 2013.
What’s your favorite way to interval train? Tell us in the comments below or tweet the author at @jshakeshaft.
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Did this today and sweat a ton! Thanks for this, great workout!
@vikkifeggs Awesome! Keep checking back for more! #youreagreatist!