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HIIT twice a week: how hard is hard enough?

Aug 5, 2026 · Sofia Silva · 12 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.

Every coach holds a recognised qualification and completes 20 hours of training each year. Open the doors with the app at any hour, every day of the year.

No pressure, no judgement, just great coaching.

What you will learn

• Certified coaches
• Open 24/7
• Progress tracking

See results. Review progress with your coach every month. Train and track. Join classes and log progress in the app.