Course map, elevation profile & surface
Fly the course
Follow the route over 3D terrain, mile by mile.
Race-day light
For a 3:00 finish (an estimate) · starting 7:00 AM Aug 29. Dark means the sun below civil twilight.
Climbs
4 climbs · 1,486 ft totalbiggest firstElevation gain, measured two ways
| Source | Gain | vs lidar |
|---|---|---|
| Course file (GPX) | 1,638ft | +18% |
| USGS lidar, 1 m | 1,393ft | reference |
They differ because a GPS file picks up noise on every wiggle and often takes its heights from a coarse terrain model, while lidar maps the ground itself to about a metre. We sampled this route every 98 ft against USGS 3DEP and counted each rise of 10 ft or more, on Oct 23, 2026. The planner still uses the course file.
Aid stations as published on the course file
| Aid station | Mile | km |
|---|---|---|
| Start / Finish | 0.0 | 0.0 |
| A Snow's Mountain Aid | 0.2 | 0.3 |
| A Greeley Aid | 4.5 | 7.2 |
| A Osceola Campground Aid | 5.6 | 9.0 |
| A Water Station | 10.9 | 17.5 |
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 Aug 29 at the start
Typical = the median of 2016–2025 for Aug 29 ±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 69°F at the start, with a low of 46°.
| Year | Start °F | Rain | Wind |
|---|---|---|---|
| 2026 Aug 29 | 69°/46° | dry | 7mph |
race-day weather from the Open-Meteo historical archive (ERA5) at the start line.
Reviews what runners who have been there say
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About this course
Black Bear Trail Races 23K — 2026 covers 14.3 mi (23.1 km) with 1,638 ft of elevation gain through New Hampshire, United States. That is about 114 ft per mile of climbing, and 1,639 ft of descent. The course tops out at 2,165 ft and bottoms out at 1,467 ft. Surface data for this course is incomplete; the mapped sections are mostly gravel. There are 4 aid stations on course; the longest stretch between aid is 5.3 mi. The profile has 4 sustained climbs; the biggest is the climb from mi 0.0, +679 ft over 1.4 mi at 9.1% on average (steepest stretch 22%). Race day is August 29, 2026, starting at 7:00 AM; the sun rises at 6:07 AM and sets at 7:29 PM. Typical race-day weather at the start: a high of 71°F and a low of 54°F, with a 26% 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
- Jul 29, 2026Added to the catalog
Races like this one close in distance, climbing, terrain, altitude, weather and season
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