Course map, elevation profile & surface
Fly the course
Follow the route over 3D terrain, mile by mile.
Race-day light
For a 4:05 finish (an estimate) · starting 7:00 AM May 15. Dark means the sun below civil twilight.
Climbs
6 climbs · 3,208 ft totalbiggest firstConditions typical race-day weather for May 15 at the start
Typical = the median of 2016–2025 for May 15 ±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 15, 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
Napa Wilderness Trail Runs 30k — 2027 covers 18.2 mi (29.4 km) with 3,778 ft of elevation gain. That is about 207 ft per mile of climbing, and 3,778 ft of descent. The course tops out at 1,626 ft and bottoms out at 136 ft. The profile has 6 sustained climbs; the biggest is the climb from mi 7.0, +658 ft over 2.2 mi at 5.8% on average (steepest stretch 19%). Race day is May 15, 2027, starting at 7:00 AM; the sun rises at 5:59 AM and sets at 8:13 PM. Typical race-day weather at the start: a high of 73°F and a low of 49°F, with a 13% 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 21, 2026Added to the catalog
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