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Effect of Intensified Endurance Training on Pacing and Performance in 4000-m Cycling Time Trials.

PMID 29035591 (2018): pacing — Time-trial performance (study note for endurance athletes).

Last updated/Feb 23, 2026, 11:13 PM

Study note • PMID 29035591

Effect of Intensified Endurance Training on Pacing and Performance in 4000-m Cycling Time Trials.

International journal of sports physiology and performance2018 • DOI 10.1123/ijspp.2017-0287
Evidence C56/100
Action 2: Consider

Worth trying if it fits your goal and context.

ELI5

In plain language

Studies examining pacing strategies during 4000-m cycling time trials (TTs) typically ensure that participants are not prefatigued; however, competitive cyclists often undertake TTs when already fatigued. (controlled study; cyclists).

Effects on Time-trial performance are mixed or unclear from the abstract alone. Treat this as a signal, not a guarantee; confirm methods and context in the full paper.

Takeaways

What the abstract suggests

  • Study question: Studies examining pacing strategies during 4000-m cycling time trials (TTs) typically ensure that participants are not prefatigued; however, competitive cyclists often undertake TTs when already fatigued.
  • Effects on Time-trial performance are mixed or unclear from the abstract alone.
  • Population: cyclists.
  • Protocol cues (title/abstract): 10 h • 4000 m.

Protocol

Protocol (as reported)

  • Intervention/exposure: pacing (vs comparison group).
  • Dose/time/duration cues in abstract/title: 10 h • 4000 m.
  • Outcomes: Time-trial performance.
  • 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 (cyclists) working on pacing.
  • Athletes who can measure Time-trial performance 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: controlled study.
  • Population: cyclists.
  • Comparator: comparison group.
  • Outcomes measured: Time-trial performance.
  • Protocol cues mentioned: 10 h • 4000 m.
  • Source: PubMed PMID 29035591 (2018) — International journal of sports physiology and performance.

Results excerpt

What the abstract reports

Compared with baseline, 15-s sprint MPO declined during loading and recovery weeks (P < .001).

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).
  • 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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Sources