25 Minute HIIT for Runners (cardio, core and technique)

Introductory session in the 25 minute HIIT for runners series.
Each session consists of 5 blocks.
Each block is 25 seconds of work, followed by 10 seconds of rest, repeated for a total of 8 times.
The intensity increases with each block.

This is a high intensity training session, focusing on cardio fitness, core toning and control, and exercises to support good running technique.
If you feel dizzy, faint, light-headed or unwell in any other way, stop immediately and consult with a health professional to make sure it is safe for you to resume exercising.

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