Course map, elevation profile & surface
Fly the course
Follow the route over 3D terrain, mile by mile.
Race-day light
For a 6:55 finish (an estimate) · starting 7:00 AM May 1. Dark means the sun below civil twilight.
Climbs
6 climbs · 7,170 ft totalbiggest firstConditions typical race-day weather for May 1 at the start
Typical = the median of 2016–2025 for May 1 ±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, May 1, 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
Sea to Sky 50K — 2027 covers 31.1 mi (50.1 km) with 7,443 ft of elevation gain. That is about 239 ft per mile of climbing, and 7,435 ft of descent. The course tops out at 2,185 ft and bottoms out at 203 ft. The profile has 6 sustained climbs; the biggest is the climb from mi 4.5, +1,795 ft over 3.2 mi at 10.5% on average (steepest stretch 23%). Race day is May 1, 2027, starting at 7:00 AM; the sun rises at 6:17 AM and sets at 8:04 PM. Typical race-day weather at the start: a high of 67°F and a low of 50°F, with a 7% 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 7, 2026Added to the catalog
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