5 Running Studies That Actually Matter in 2025 (Skip the Hype)
Update: 2025-12-17
Description
We break down the five most important running studies of 2025 and give you a framework for deciding which science actually deserves your attention, and what's just expensive distraction. Plus, we debunk the hype around ketone supplements and Norwegian double threshold training.
What We Cover:
- The "Should I Care" framework for evaluating new research
- Why strict 80/20 polarization isn't magic for recreational athletes
- How strength training improved time-to-exhaustion by 35%
- The fueling gap: marathoners averaged just 22-35g carbs/hour vs. the 60-90g recommended
- Why poor sleepers are 1.78x more likely to get injured
- The single-session spike that increases injury risk by 128%
Resources:
- Tom Ralph's fueling tracking app: https://apps.apple.com/us/app/fuelflow/id6755150914
- Training Peaks
- HRV for Training app
Studies Referenced:
- Rosenblatt et al 2025 (Polarized Training)
- Zanini et al 2025 (Strength Training)
- de Jong et al 2025 (Sleep)
- Franson et al 2025 (Injury Risk)
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