Decided to give the c2k5 ago after numerous people around me took it up. I'm overweight and have found each week difficult, I should be starting wk 4 today but I not sure I should. Wk 3 was difficult, my breathing is still very heavy and each 3 minute run was difficult for me. I’m not sure I should move on until I can complete a 3 minute without huffing and puffing so much. Any advice?
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