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"The Good-Enough Approach to Double Threshold" is an episode of Science of Running. Runtime 1 hr 1 min. Published November 3, 2026. Hit play above to stream it here, or open the free Spot Sports app for background play and offline downloads.
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The Norwegian method has become running’s latest formula. But its value isn’t in blindly copying double-threshold sessions or chasing perfect lactate numbers. Steve and Jon unpack the principle beneath the method: control the effort, create a signal the athlete can absorb, and repeat it long enough to adapt. A conversation about RPE, survivorship bias, individualized…
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