AnswerUpdated May 12, 2026

Do You Need a Crew for an Ultramarathon?

A crew is not required for most ultras but provides a significant competitive advantage in 24-hour+ events. A good crew handles food preparation, shoe changes, clothing transitions, intake tracking, and emotional support — worth an estimated 5–10 extra loops in a backyard ultra. Solo runners can succeed by pre-packing labeled bags for each time block and relying on race-provided aid stations.

The Short Answer

It depends on the format and your experience. For a first 50K, you don't need a crew. For a 24-hour race, a crew helps enormously. For a backyard ultra, a crew becomes nearly essential after 24+ loops.

Crew Importance by Format

FormatCrew Needed?Crew Value
50K / 100KNoNice to have at aid stations
100 milesRecommendedManages gear drops and night support
24-hour raceRecommendedFood prep, shoe changes, morale
Backyard ultraImportantWorth 5–10 extra loops
6-day raceEssentialDaily logistics management

Racing Solo Successfully

Pre-pack labeled bags for each 3–4 hour block containing food, socks, lubricant, and a checklist. Rely on race aid stations for water and basic nutrition. Set phone alarms for eating and foot care schedules. Read our crew guide section for detailed crew instructions.

Sources

  1. UltraRunning Magazine — Crew and Pacer Best Practices

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