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Running Science

Race prediction, training formulas, and what the research actually says.

Jan 20, 2026 · 6 min read

How to Predict Your Marathon Time

The science behind marathon time prediction and the factors that matter most — training load, heat, elevation, and more.

Feb 10, 2026 · 6 min read

Running Prediction Models Explained: Riegel, Cameron, and VDOT

A breakdown of the three most-used race prediction formulas, where each one shines, and why blending them beats picking just one.

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Predictions are estimates — race day is yours to own.