Course map, elevation profile & surface
Fly the course
Follow the route over 3D terrain, mile by mile.
Race-day light
For a 5:40 finish (an estimate) · starting 7:00 AM May 9. Dark means the sun below civil twilight.
Climbs
4 climbs · 4,053 ft totalbiggest firstConditions typical race-day weather for May 9 at the start
Typical = the median of 2016–2025 for May 9 ±3 days at the start line; a wet day has 1 mm of rain or more. Historical weather from Open-Meteo.
Race almanac 1 year of this race
Past editions
On race day it reached 75°F at the start, with a low of 45°.
| Year | Start °F | High point °F | Rain | Wind |
|---|---|---|---|---|
| 2026 May 9 | 75°/45° | 68°/40° | 0.03in | 16mph |
race-day weather from the Open-Meteo historical archive (ERA5) at the start line and the course high point (7,064 ft).
Reviews what runners who have been there say
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About this course
Quad Rock 50 — 2026 covers 24.8 mi (40.0 km) with 4,964 ft of elevation gain. That is about 200 ft per mile of climbing, and 4,975 ft of descent. The course tops out at 7,063 ft and bottoms out at 5,460 ft. The profile has 4 sustained climbs; the biggest is the climb from mi 10.4, +1,286 ft over 2.7 mi at 9.0% on average (steepest stretch 21%). Race day is May 9, 2026, starting at 7:00 AM; the sun rises at 5:51 AM and sets at 8:05 PM. Typical race-day weather at the start: a high of 64°F and a low of 41°F, with a 51% 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
- Oct 13, 2026Added to the catalog
Races like this one close in distance, climbing, terrain, altitude, weather and season
- Samson's Revenge 50k — 2027May · 31 mi · 182 ft/miHigh altitude · Same month · Similar climbing
- Serengeti Trail Races — 2026Apr · 25 mi · 229 ft/miSame distance · High altitude · Similar climbing
- Valkyrie Trail Race Marathon — 2027May · 26 mi · 140 ft/mi · COSame distance · Similar weather · High altitude
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