HIIT Strength

A high-energy, full-body class built around powerful intervals, resistance, and serious sweat. Created exclusively for Melt by Kathryn, this signature class delivers something you won’t find anywhere else in Toronto.

Best for
Building full-body strength, boosting endurance, increasing intensity, and feeling properly worked.

Intensity
🔥🔥🔥🔥🔥

  • Builds Strength

    Weights and resistance bands challenge major muscle groups through purposeful intervals, helping you build strength that feels powerful, practical, and repeatable.

  • Boosts Endurance

    Short bursts of effort and recovery train your stamina, so you can keep working with more control as intensity rises.

  • Full-Body Focus

    Expect legs, arms, core, and shoulders to work in balanced sequences that leave every major area feeling properly switched on.

  • High-Energy Reset

    This is the class for clearing mental noise by giving your body clear intervals, strong direction, and nowhere to hide.

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HIIT Pilates