Course map, elevation profile & surface
Fly the course
Follow the route over 3D terrain, kilometre by kilometre.
Race-day light
For a 13:05 finish (an estimate) · starting 07:00 30 May. Dark means the sun below civil twilight.
Climbs
biggest firstConditions typical race-day weather for 30 May at the start
Typical = the median of 2016–2025 for 30 May ±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 18°C at the start, with a low of 6°.
| Year | Start °C | Rain | Wind |
|---|---|---|---|
| 2026 May 30 | 18°/6° | dry | 18km/h |
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
Great Mansfield Outdoors 50km 100K — 2026 covers 102.2 km (63.5 mi) with 1,198 m (3,931 ft) of elevation gain. That is about 12 m per km of climbing, and 1,195 m of descent. The course tops out at 340 m and bottoms out at 270 m. Race day is 30 May 2026, starting at 07:00; the sun rises at 05:42 and sets at 20:56. Typical race-day weather at the start: a high of 23°C and a low of 11°C, with a 33% 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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