Study note • PMID 27618658
Pacing Strategy During 24-Hour Ultramarathon-Distance Running.
How to use this page
This note summarizes one study record. Check the participants, methods, results, and limitations before applying it to training.
- • Design signal: controlled study.
- • Population relevance: athlete/trained context.
- • Consistency: single-study evidence.
- • Practical recommendation depends on tolerance, context, and whether it protects training consistency.
ELI5
In plain language
To describe pacing strategy in a 24-h running race and its interaction with sex, age group, athletes' performance group, and race edition. (controlled study; runners).
The abstract suggests a trade-off or negative effect affecting Time-trial performance. Treat this as a signal, not a guarantee; confirm methods and context in the full paper.
Takeaways
What the abstract suggests
- • Study question: To describe pacing strategy in a 24-h running race and its interaction with sex, age group, athletes' performance group, and race edition.
- • The abstract suggests a trade-off or negative effect affecting Time-trial performance.
- • Population: runners.
- • Protocol cues (title/abstract): 1.3 h • 2 h • 0 km.
Protocol
Protocol (as reported)
- • Intervention/exposure: pacing, even pacing.
- • Dose/time/duration cues in abstract/title: 1.3 h • 2 h • 0 km.
- • Outcomes: Time-trial performance.
- • Replication note: abstracts often omit adherence and timing; confirm details before changing training or supplementation.
Fit
Who it may help, and who should be cautious
Who it helps
- • Athletes similar to the study population (runners) working on pacing.
- • Athletes who can measure Time-trial performance with a repeatable workout or time-trial effort.
Who should be cautious
- • 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: controlled study.
- • Population: runners.
- • Outcomes measured: Time-trial performance.
- • Protocol cues mentioned: 1.3 h • 2 h • 0 km.
- • Source: PubMed PMID 27618658 (2017) — International journal of sports physiology and performance.
Results excerpt
What the abstract reports
“While the general behavior represents a rough reverse J-shaped pattern, the fastest runners start at lower relative intensities and display a more even pacing strategy than slower runners.”
Note: excerpts are short; for full context, read the paper.
Limits
Limitations and bias
- • Abstract-only summaries can miss critical details (population, protocol, adherence, and context).
- • Single studies often don’t generalize to your event, history, and training load; treat results as a starting point.
- • 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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