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Variability in Running Economy of Kenyan World-Class and European Amateur Male Runners with Advanced Footwear Running Technology: Experimental and Meta-analysis Results.

PMID 36862339 (2023): variability, running — Running economy (study note for endurance athletes).

Last updated/Feb 23, 2026, 10:34 PM

Study note • PMID 36862339

Variability in Running Economy of Kenyan World-Class and European Amateur Male Runners with Advanced Footwear Running Technology: Experimental and Meta-analysis Results.

Sports medicine (Auckland, N.Z.)2023 • DOI 10.1007/s40279-023-01816-1
Evidence B81/100
Action 1: Default

Low risk + high feasibility for most athletes.

ELI5

In plain language

The aim of this study was to measure running economy on a laboratory treadmill in advanced footwear technology compared to a traditional racing flat in world-class Kenyan (mean half-marathon… (systematic review / meta-analysis; n=14 well-trained runners).

Results section: no clear change in Running economy under the tested conditions. Treat this as a signal, not a guarantee; confirm methods and context in the full paper.

Takeaways

What the abstract suggests

  • Study question: The aim of this study was to measure running economy on a laboratory treadmill in advanced footwear technology compared to a traditional racing flat in world-class Kenyan (mean half-marathon…
  • Results section: no clear change in Running economy under the tested conditions.
  • Population: n=14 well-trained runners.
  • Protocol cues (full paper): 48 min • 41 min • 2 min • 1°C.

Protocol

Protocol (as reported)

  • Intervention/exposure: variability, running.
  • Dose/time/duration cues found in the full paper: 48 min • 41 min • 2 min • 1°C.
  • Outcomes: Running economy.
  • Replication note: abstracts often omit adherence and timing; confirm details before changing training or supplementation.

Fit

Who it helps, and who should skip it

Who it helps

  • Athletes similar to the study population (n=14 well-trained runners) working on biomechanics.
  • Athletes who can measure Running economy with a repeatable workout or time-trial effort.

Who should skip

  • If you have symptoms or conditions that make the intervention risky, get professional guidance.
  • If you’re near race day and can’t safely test, defer the experiment.

Methods

What the study actually did

  • Design: systematic review / meta-analysis.
  • Population: n=14 well-trained runners.
  • Outcomes measured: Running economy.
  • Protocol cues mentioned: 30 min.
  • Source: PubMed PMID 36862339 (2023) — Sports medicine (Auckland, N.Z.).

Full paper

What the full paper adds

  • Participants (paper): n=14 well-trained runners.
  • More protocol detail (paper): 48 min • 41 min • 2 min • 1°C.
  • Results section: no clear change in Running economy under the tested conditions.

Results excerpt

What the abstract reports

The post-hoc meta-analysis revealed an overall significant medium benefit of advanced footwear technology on running economy compared with traditional flats.

Note: excerpts are short; for full context, read the paper.

Limits

Limitations & bias

  • Abstract-only summaries can miss critical details (population, protocol, adherence, and context).
  • Reviews and consensus statements mix protocols and populations; recommendations may not match your exact constraints.
  • If your context differs (elite vs recreational; cycling vs running), adjust expectations and be conservative.
  • This is performance information, not medical advice.

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Sources