Course map, elevation profile & surface
Race-day light
For a 6:30 finish (an estimate) · starting 7:00 AM Apr 24. Dark means the sun below civil twilight.
Climbs
4 climbs · 1,204 ft totalbiggest firstConditions typical race-day weather for Apr 24 at the start
Typical = the median of 2016–2025 for Apr 24 ±3 days at the start line; a wet day has 1 mm of rain or more. Historical weather from Open-Meteo.
Reviews what runners who have been there say
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About this course
Hells Dells 31 Miler — 2027 covers 30.7 mi (49.4 km) with 4,734 ft of elevation gain. That is about 154 ft per mile of climbing, and 4,744 ft of descent. The course tops out at 5,568 ft and bottoms out at 5,016 ft. The surface is 98% trail and 2% paved. The profile has 4 sustained climbs; the biggest is the climb from mi 11.4, +528 ft over 3.0 mi at 3.3% on average (steepest stretch 13%). Race day is April 24, 2027, starting at 7:00 AM; the sun rises at 5:48 AM and sets at 7:09 PM. Typical race-day weather at the start: a high of 74°F and a low of 46°F, with a 4% chance of a wet day. The interactive map above shows the full route with its elevation profile and aid stations, built from the course's GPS file.
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Course history
- Sep 28, 2026Added to the catalog
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