Power Naps May Aid Ultramarathon Performance, Study Suggests

A study followed 52 finishers of the UTMB, a 170-kilometer ultramarathon, to examine nap effects. Runners wore activity trackers and took tests at checkpoints. They could choose a 20-minute nap or stay awake at three points.

The study found that short naps can help maintain alertness during long races. Runners averaged 28.4 minutes of sleep across the race. Naps may help with technical, exposed, or navigationally demanding sections. Read more trail coverage.

The study suggests that naps can be part of a race plan. Runners should identify safe spots, set alarms, and allow time to reorient. The study does not set an optimal nap schedule but supports napping to avoid sleepiness. Related: Aging Runners Excel in Ultramarathons, Study Finds.

This original Runner World brief is based on reporting from Marathon Handbook. Visit the source for its complete reporting, context and any later corrections.

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What should runners know about Power Naps May Aid Ultramarathon Performance, Study Suggests?

A recent study found that short naps during ultramarathons can help maintain alertness. A study followed 52 finishers of the UTMB, a 170-kilometer ultramarathon, to examine nap effects. Runners wore activity trackers and took tests at checkpoints. They could choose a 20-minute nap or stay awake at three points.

When did Runner World publish this trail brief?

Runner World published this brief on August 6, 2026. The underlying Marathon Handbook report was dated August 6, 2026.

Where can readers find the complete original report?

This summary is based on reporting from Marathon Handbook. The attributed source link in the article leads to the publisher’s complete report.

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