Course map, elevation profile & surface
Fly the course
Follow the route over 3D terrain, mile by mile.
Race-day light
For a 3:15 finish (an estimate) · starting 7:00 AM Feb 7. Dark means the sun below civil twilight.
Climbs
biggest firstElevation gain, measured two ways
| Source | Gain | vs lidar |
|---|---|---|
| Course file (GPX) | 1,214ft | +88% |
| USGS lidar, 1 m | 647ft | 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 24, 2026. The planner still uses the course file.
Aid stations as published on the course file
| Aid station | Mile | km |
|---|---|---|
| Start | 0.0 | 0.0 |
| A Aid station 1 | 6.3 | 10.2 |
| A Aid Station 2 | 12.2 | 19.6 |
| Finish | 15.5 | 24.9 |
Badge colours match the markers on the map above — always confirm locations and cutoffs with the race organizer.
Race director? Check this course and correct anything that’s off, and it carries a ✓ verified by the race badge everywhere it appears, including the free map embed for your own site. Claim your course.
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Conditions typical race-day weather for Feb 7 at the start
Typical = the median of 2016–2025 for Feb 7 ±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 48°F at the start, with a low of 28°.
| Year | Start °F | Rain | Wind |
|---|---|---|---|
| 2026 Feb 7 | 48°/28° | dry | 12mph |
race-day weather from the Open-Meteo historical archive (ERA5) at the start line.
Reviews what runners who have been there say
No reviews yet — be the first to run it and tell other runners what to expect.
About this course
Millstone Trail Races — 2026 covers 15.5 mi (24.9 km) with 1,214 ft of elevation gain. That is about 78 ft per mile of climbing, and 1,168 ft of descent. The course tops out at 709 ft and bottoms out at 545 ft. There are 2 aid stations on course; the longest stretch between aid is 6.3 mi. Race day is February 7, 2026, starting at 7:00 AM; the sun rises at 7:19 AM and sets at 5:59 PM. Typical race-day weather at the start: a high of 57°F and a low of 36°F, with a 27% 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 13, 2026Added to the catalog
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