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HIIT twice a week: how hard is hard enough?

Jun 16, 2026 · Arjun Sato · 5 min read

Twenty minutes at the right intensity beats an hour of half effort. Our coaches explain how to use heart rate zones to pace each interval.

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Lost eight kilos in four months, and I enjoyed almost every session.

What you will learn

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Train and track. Join classes and log progress in the app. Get your plan. Receive a training plan that fits your week.