Complete as many rounds as you can in 20 mins
Run 400m
25 Back Extensions
25 Sit-ups
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completed 3 full rounds.
4th round finished 1.9 on treadmill. Had treadmill speed on 7.5. Fastest ever for me.
completed 3 full rounds.
4th round finished 1.9 on treadmill. Had treadmill speed on 7.5. Fastest ever for me.