THE KNOWLEDGE
Run Smarter
Evidence-based training, nutrition and cycle guidance for women who run.
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Tired, not unfit: iron deficiency and the female runner
Iron deficiency is one of the most common, and most missed, reasons a runner feels flat. Especially if you menstruate. Here's what it actually feels like, and what to do about it.
26 May 2026Easy runs are meant to feel easy
Most of us run our easy days a little too hard and our hard days a little too soft. Here's the physiology of the easy run, and why holding back is the work.
26 May 2026A missed run is not a moral failing
Running culture treats consistency like virtue and a skipped session like a small sin. The guilt does more damage than the missed run ever could.
26 May 2026