Course map, elevation profile & surface
Fly the course
Follow the route over 3D terrain, mile by mile.
Race-day light
For a 22:40 finish (an estimate) · starting 7:00 AM Sep 24 · headlamp mi 55–the finish. Dark means the sun below civil twilight.
Climbs
12 climbs · 18,168 ft totalbiggest firstConditions typical race-day weather for Sep 24 at the start
Typical = the median of 2016–2025 for Sep 24 ±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 79°F at the start, with a low of 44°.
| Year | Start °F | High point °F | Rain | Wind |
|---|---|---|---|---|
| 2026 Sep 25 | 79°/44° | 62°/39° | dry | 8mph |
Next race day Fri, Sep 24, 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.
race-day weather from the Open-Meteo historical archive (ERA5) at the start line and the course high point (9,029 ft).
Reviews what runners who have been there say
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About this course
The Bear 100 — 2027 covers 99.2 mi (159.7 km) with 19,931 ft of elevation gain. That is about 201 ft per mile of climbing, and 18,801 ft of descent. The course tops out at 8,870 ft and bottoms out at 4,849 ft. The profile has 12 sustained climbs; the biggest is the climb from mi 0.0, +3,511 ft over 5.6 mi at 12.0% on average (steepest stretch 29%). Race day is September 24, 2027, starting at 7:00 AM; the sun rises at 7:17 AM and sets at 7:23 PM. Typical race-day weather at the start: a high of 72°F and a low of 43°F, with a 19% 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 31, 2026Added to the catalog
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