Course map, elevation profile & surface
Fly the course
Follow the route over 3D terrain, mile by mile.
Race-day light
For a 6:50 finish (an estimate) · starting 7:00 AM Jun 6. Dark means the sun below civil twilight.
Climbs
biggest firstElevation gain, measured two ways
| Source | Gain | vs lidar |
|---|---|---|
| Course file (GPX) | 2,884ft | +33% |
| USGS lidar, 1 m | 2,174ft | 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 29, 2026. The planner still uses the course file.
Aid stations as published on the course file
| Aid station | Mile | km |
|---|---|---|
| A 27K Turnaround | 9.2 | 14.7 |
| A 50K Turnaround | 16.2 | 26.1 |
| A West 2276 Aid | 17.9 | 28.7 |
| A AuTrain Forest AId | 23.3 | 37.5 |
| A Camp AuTrain Aid | 28.0 | 45.0 |
| Start / Finish | 32.7 | 52.6 |
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 Jun 6 at the start
Typical = the median of 2016–2025 for Jun 6 ±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 63°F at the start, with a low of 52°.
| Year | Start °F | Rain | Wind |
|---|---|---|---|
| 2026 Jun 6 | 63°/52° | 0.11in | 9mph |
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
Rock River Canyon — 2026 covers 32.7 mi (52.6 km) with 2,884 ft of elevation gain. That is about 88 ft per mile of climbing, and 2,825 ft of descent. The course tops out at 1,047 ft and bottoms out at 620 ft. There are 5 aid stations on course; the longest stretch between aid is 9.2 mi. Race day is June 6, 2026, starting at 7:00 AM; the sun rises at 5:57 AM and sets at 9:36 PM. Typical race-day weather at the start: a high of 67°F and a low of 48°F, with a 37% 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.
Load the course in the TrailGoat Run Planner for grade-adjusted pacing, climb-by-climb splits, hourly weather and a full hydration & fueling plan — free, no account needed.
Race director? — one line of HTML, always up to date.
Course history
- Oct 29, 2026Added to the catalog
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