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Study note

Training Diaries during Altitude Training Camp in Two Olympic Champions: An Observational Case Study.

PMID 25177197 (2014): altitude, hypoxia — VO₂max, Time-trial performance (study note for endurance athletes).

Updated Feb 23, 2026

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Study note • PMID 25177197

Training Diaries during Altitude Training Camp in Two Olympic Champions: An Observational Case Study.

Journal of sports science & medicine2014

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

Traditionally, Live High-Train High (LHTH) interventions were adopted when athletes trained and lived at altitude to try maximising the benefits offered by hypoxic exposure and improving sea level performance. (controlled study; elite athletes).

The abstract doesn’t indicate a clear change in Time-trial performance 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: Traditionally, Live High-Train High (LHTH) interventions were adopted when athletes trained and lived at altitude to try maximising the benefits offered by hypoxic exposure and improving sea level performance.
  • The abstract doesn’t indicate a clear change in Time-trial performance under the tested conditions.
  • Population: elite athletes.
  • Protocol cues (title/abstract): 2090 m.

Protocol

Protocol (as reported)

  • Intervention/exposure: altitude, hypoxia (vs comparison group).
  • Dose/time/duration cues in abstract/title: 2090 m.
  • Outcomes: VO₂max, 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 (elite athletes) working on altitude.
  • Athletes who can measure VO₂max, 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: elite athletes.
  • Comparator: comparison group.
  • Outcomes measured: VO₂max, Time-trial performance.
  • Protocol cues mentioned: 2090 m.
  • Source: PubMed PMID 25177197 (2014) — Journal of sports science & medicine.

Results excerpt

What the abstract reports

Both athletes successfully completed the LHTH camp (2090 m) maintaining similar absolute training intensity and training volume at high-intensity (> 91% of race pace) compared to sea level.

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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