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UNTAPPED with Spencer Matthews

UNTAPPED with Spencer Matthews

Should Women Train on Their Period? | Dr Hazel Wallace | Extra Mile

Sep 24, 2026 · 36m

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About this episode

Should your period change the way you train? Or have we been overcomplicating it? Spencer Matthews, Oli Patrick and Dr Hazel Wallace unpack what female runners really need to know about hormones, performance and training. They challenge the idea of rigid “cycle syncing”, explaining why the evidence isn't as clear-cut as social media suggests, and why being aware of your cycle may be more useful than changing your training around it. Plus, they tackle one of the biggest risks facing female athletes: under-fuelling. From RED-S and lost periods to bone health and recovery, this is a practical guide to knowing when your hormones might be telling you something, and when you should simply keep…