Course map, elevation profile & surface
Fly the course
Follow the route over 3D terrain, kilometre by kilometre.
Race-day light
For a 9:20 finish (an estimate) · starting 07:00 26 Aug. Dark means the sun below civil twilight.
Climbs
8 climbs · 2,950 m totalbiggest firstConditions typical race-day weather for 26 Aug at the start
Typical = the median of 2016–2025 for 26 Aug ±3 days at the start line; a wet day has 1 mm of rain or more. Historical weather from Open-Meteo.
Race almanac 3 years of this race
Past editions
Race-day highs at the start ran from 22° to 30°C, and 1 of 3 race days were wet.
| Year | Start °C | Rain | Wind | Heat index |
|---|---|---|---|---|
| 2026 Aug 26 | 29°/15° | dry | 7km/h | 29° |
| 2025 Aug 29 | 22°/11° | 14mm | 6km/h | — |
| 2024 Aug 30 | 30°/14° | dry | 9km/h | 28° |
Next race day Thu, Aug 26, 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
OCC — 2027 covers 60.1 km (37.4 mi) with 3,342 m (10,963 ft) of elevation gain. That is about 56 m per km of climbing, and 3,221 m of descent. The course tops out at 2,311 m and bottoms out at 893 m. The profile has 8 sustained climbs; the biggest is the climb from km 23.4, +840 m over 5.9 km at 14.1% on average (steepest stretch 57%). Race day is 26 August 2027, starting at 07:00; the sun rises at 06:45 and sets at 20:24. Typical race-day weather at the start: a high of 25°C and a low of 12°C, with a 41% 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 31, 2026Added to the catalog
Races like this one close in distance, climbing, terrain, altitude, weather and season
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