Course map, elevation profile & surface
Fly the course
Follow the route over 3D terrain, mile by mile.
Race-day light
For a 6:30 finish (an estimate) · starting 7:00 AM Sep 11. Dark means the sun below civil twilight.
Climbs
biggest firstConditions typical race-day weather for Sep 11 at the start
Typical = the median of 2016–2025 for Sep 11 ±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 90°F at the start, with a low of 75°.
| Year | Start °F | Rain | Wind | Heat index |
|---|---|---|---|---|
| 2026 Sep 12 | 90°/75° | 0.45in | 8mph | 104° |
Next race day Sat, Sep 11, 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.
Reviews what runners who have been there say
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About this course
Riverbend Ultras 12 HR/50K — 2027 covers 32.6 mi (52.4 km). The course tops out at 13 ft and bottoms out at 10 ft. Race day is September 11, 2027, starting at 7:00 AM; the sun rises at 7:05 AM and sets at 7:32 PM. Typical race-day weather at the start: a high of 87°F and a low of 74°F, with a 91% 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 29, 2026Added to the catalog
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