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PaceBrain blog
Research backed insights for runners.
We read the papers so you do not have to. Each article is grounded in primary research with full citations. No marketing fluff.
Training science
Why most runners train too fast on easy days
Two decades of research on elite endurance athletes points to an 80/20 split between easy and hard work. Most recreational runners do the opposite, and pay for it in fatigue, stagnation, and injury.
4 May 20268 min read
Primary sources: Seiler & Kjerland 2006 · Seiler 2010 · Stöggl & Sperlich 2014
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Prediction methods
How accurate are race time predictors? An honest look at the research
Every running app gives you a finish time. Behind that number are formulas with real limits, and a confidence range your predictor probably is not telling you about.
4 May 20269 min read
Primary sources: Riegel 1981 · Daniels 2014 · Tanda 2011 · Vickers & Vertosick 2016
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