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Easily and accurately time your workouts, both work and rest intervals. For Weightlifting, Running, CrossFit, Tabata, HIIT and all timed interval workouts.

MI, USA. Ships worldwide!
Joined December 2009
Two new Gymboss Charge colors, Black Carbon and Purple Carbon! Backlit LCD, Rechargeable Battery, and Weatherproof. Check em' out! gymboss.com/gymboss-charge
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Light up someone's holidays with the new Gymboss CHARGE Interval Timer! Perfect gift under $20 for the fitness nut in your life. gymboss.com/gymboss-charge
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Looking to change things up? Give this 24 minute BOSU workout a try. A lot of people only use BOSUs for crunches, but, with a little imagination, you can use one to work pretty much every muscle in your body. gymboss.com/blog/gymboss-24-…
Just what you asked for - Rechargeable, Weatherproof, and with a Backlit Screen. Available Now at gymboss.com/gymboss-charge
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This Gymboss Spartan Running Circuit was designed to build total-body fitness in as little as 30 minutes. gymboss.com/blog/gymboss-spa…
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Looking to change it up a little? Give this EMOM barbell circuit workout a try. gymboss.com/blog/gymboss-emo…
Done properly, Tabatas are brutal. Tabata training is one of the most intense, time-efficient ways you can work out. Give this 12 minute tabata circuit burner a try today. gymboss.com/blog/a-modifiabl…
With nothing more than a few yards of space, an interval timer, and your body weight, you can have a great workout without leaving your home! gymboss.com/blog/5-10-15-20-…
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NEW - The Gymboss Plus model now comes in 5 color options! Louder beep. Increased water resistance. Targeted towards outdoor activities. Perfect for run walk run programs, interval running training and learn to run. gymboss.com/gymboss-plus
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You can train hard, or you can train long, but you can’t do both at the same time. Here are three ten-minute kettlebell workouts for which all you need is a single kettlebell and your trusty Gymboss timer. gymboss.com/blog/three-ten-m…
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Progressive speed interval workouts to improve your 5K time. gymboss.com/blog/progressive…
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Here is a 10 minute HIIT workout for when you need a short, sharp workout that will still deliver results. Don’t let its brevity or simplicity fool you – this workout really delivers. gymboss.com/blog/gymboss-10-…
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Here is a 20 sets in 30 minutes bodyweight-only workout that is ideal for home exercisers. It contains some unique exercises you may have never done before. gymboss.com/blog/20-sets-in-…
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Here's how to improve your 5K time. The 5k is a very challenging distance because it requires the perfect combination of speed and endurance. If your goal is to run a faster 5k, then it is important to train your body to pick up the pace. gymboss.com/blog/progressive…
#BeAGymboss Give this single dumbbell and bodyweight timed circuit at home workout a try! gymboss.com/blog/the-one-dum…
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Some of the best at home bodyweight HIIT exercises and how to put them together in circuits. gymboss.com/blog/at-home-bod…
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Learn the benefits of utilizing run walk run intervals in your running program. gymboss.com/blog/the-benefit…
Found this in the cupboard....apparently someone’s sending not so subtle messages...😂
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Let’s look at little closer at the specific elements of CrossFit and how you can go about structuring this workout into your own fitness protocol. Then, we'll give you some example workouts to try today! gymboss.com/blog/organizing-…
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Even stuck at home you can have a great workout in your living room, spare bedroom, garage, or garden. 5 different exercises, inducing squats, planks, push ups and more. Give this 30 minute at home workout a try! gymboss.com/blog/the-spartan…
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