Ultramarathon Guide

HURT 100

HURT 100 packs 24,500 feet of climbing into rooty Oahu rainforest loops, with tropical humidity, stream crossings, and a demanding 36-hour cutoff.

Next race2027 date TBD
Distance categoryUltramarathon
LocationHonolulu, Hawaii

Marathon Scout prioritizes official race websites, registration pages, timing providers, results pages, and race-linked live tracking. Last updated July 17, 2026.

HURT 100 quick facts

  • One hundred miles with roughly 24,500 feet of climbing and the same amount of descent.
  • The 2026 edition recorded 84 finishers within the 36-hour limit.
  • Entry uses an application and lottery, with qualifying-run and trail-work requirements.

About the HURT 100

HURT is a lottery-entry 100-miler run by the Hawaii Ultra Running Team on the Honolulu Mauka Trail System above the city.

HURT 100 course description

The 2026 route used a short lower loop followed by five revised HURT loops. Nearly all of the course is technical singletrack with roots, rocks, mud, steep grades, and stream crossings.

Weather for the HURT 100

January can feel warm and humid even when temperatures are moderate. Rainforest showers can quickly turn clay, roots, and stream crossings slick.

Past HURT 100 dates and results

YearDateStatusResults
2026Saturday, January 17, 2026CompletedOpen results

HURT 100 FAQ

When is the HURT 100?

We're waiting for the finalized date for the 2027 HURT 100. The most recent running was on Saturday, January 17, 2026.

How do I register for the HURT 100?

You can register for the HURT 100 at hurt100.com.

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