Course map, elevation profile & surface
Fly the course
Follow the route over 3D terrain, mile by mile.
Race-day light
For a 2:40 finish (an estimate) · starting 7:00 AM Apr 17. Dark means the sun below civil twilight.
Climbs
biggest firstAid stations as published on the course file
| Aid station | Mile | km |
|---|---|---|
| A Aid Station | 4.6 | 7.4 |
| A Checkpoint | 7.9 | 12.7 |
| Start/Finish | 13.0 | 20.9 |
Badge colours match the markers on the map above — always confirm locations and cutoffs with the race organizer.
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Conditions typical race-day weather for Apr 17 at the start
Typical = the median of 2016–2025 for Apr 17 ±3 days at the start line; a wet day has 1 mm of rain or more. Historical weather from Open-Meteo.
Race almanac the sky on race day
Next race day Sat, Apr 17, 2027 · 7:00 AM start
First and last light are civil twilight, the sun 6° below the horizon. The moon is lit as at midnight after the start; headlamp hours count a typical finish from the start while the sun is below civil twilight. Worked out for the start line.
Reviews what runners who have been there say
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About this course
Whiskey Basin Trail Runs 1/2 Marathon — 2027 covers 13.0 mi (20.9 km) with 813 ft of elevation gain. That is about 63 ft per mile of climbing, and 819 ft of descent. The course tops out at 5,299 ft and bottoms out at 4,974 ft. The surface is 95% trail and 5% paved. There are 2 aid stations on course; the longest stretch between aid is 5.1 mi. Race day is April 17, 2027, starting at 7:00 AM; the sun rises at 5:57 AM and sets at 7:03 PM. Typical race-day weather at the start: a high of 69°F and a low of 42°F, with a 3% 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 4, 2026Added to the catalog
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