HIIT - Anyone fancy a challenge?

Discussion in 'Fitness Health and Exercise' started by Erryn, 28 August 2014 Social URL.

  1. Erryn

    Erryn Full Member

    I've just increased my sprint speed to 15kmh on the treadmill, which I'm really pleased with but I need help to stay there (and maybe even advance beyond it!). I'm doing 10 x 30 second reps with 1min 30 slow walk in between. I want to get my speed up to 18kmh (LOL!).

    I aim to do the sprints at least 3 times a week and wondered if anyone else was up for it?

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