Course map, elevation profile & surface
Fly the course
Follow the route over 3D terrain, mile by mile.
Race-day light
For a 20:30 finish (an estimate) · starting 7:00 AM Nov 1 · dark at the start until mi 0.2 · headlamp mi 56–the finish. Dark means the sun below civil twilight.
Climbs
6 climbs · 3,452 ft totalbiggest firstConditions typical race-day weather for Nov 1 at the start
Typical = the median of 2016–2025 for Nov 1 ±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 74°F at the start, with a low of 51°.
| Year | Start °F | High point °F | Rain | Wind |
|---|---|---|---|---|
| 2025 Nov 1 | 74°/51° | 74°/42° | dry | 6mph |
race-day weather from the Open-Meteo historical archive (ERA5) at the start line and the course high point (1,604 ft).
Reviews what runners who have been there say
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About this course
Rio Del Lago — 2025 covers 99.2 mi (159.6 km) with 9,219 ft of elevation gain. That is about 93 ft per mile of climbing, and 9,217 ft of descent. The course tops out at 1,605 ft and bottoms out at 123 ft. The profile has 6 sustained climbs; the biggest is the climb from mi 53.0, +926 ft over 5.8 mi at 3.0% on average (steepest stretch 17%). Race day is November 1, 2025, starting at 7:00 AM; the sun rises at 7:33 AM and sets at 6:05 PM. Typical race-day weather at the start: a high of 68°F and a low of 49°F, with a 17% 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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