Course map, elevation profile & surface
Fly the course
Follow the route over 3D terrain, kilometre by kilometre.
Race-day light
For a 19:05 finish (an estimate) · starting 19:00 18 Jun · headlamp km 24–73. Dark means the sun below civil twilight.
Climbs
21 climbs · 4,589 m totalbiggest firstAid stations as published on the course file
| Aid station ravitaillement | km | Mile |
|---|---|---|
| A Saint Julien des Chazes | 17.7 | 11.0 |
| A Lespitalet | 24.5 | 15.2 |
| A Prades | 40.4 | 25.1 |
| A Monistrol | 55.5 | 34.5 |
| A Saint Privat | 63.1 | 39.2 |
| A Saint Jean Lachalm | 71.8 | 44.6 |
| A Alleyras | 83.6 | 51.9 |
| A Lac du Bouchet | 98.9 | 61.5 |
| A Bains | 114.6 | 71.2 |
| A Saint Christophe Sur Dolaizon | 121.2 | 75.3 |
| A Les Chibottes | 131.5 | 81.7 |
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Conditions typical race-day weather for 18 Jun at the start
Typical = the median of 2016–2025 for 18 Jun ±3 days at the start line; a wet day has 1 mm of rain or more. Historical weather from Open-Meteo.
Race almanac the sky on race day
Next race day Fri, Jun 18, 2027 · 7:00 PM 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.
Reviews what runners who have been there say
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About this course
Trail du Saint-Jacques by UTMB Ultra 100M — 2027 covers 137.4 km (85.4 mi) with 6,009 m (19,715 ft) of elevation gain. That is about 44 m per km of climbing, and 6,325 m of descent. The course tops out at 1,428 m and bottoms out at 529 m. There are 11 aid stations on course; the longest stretch between aid is 17.7 km. The profile has 21 sustained climbs; the biggest is the climb from km 55.4, +463 m over 5.0 km at 9.3% on average (steepest stretch 28%). Race day is 18 June 2027, starting at 19:00; the sun rises at 06:00 and sets at 21:36. Typical race-day weather at the start: a high of 22°C and a low of 12°C, with a 34% 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
- Nov 4, 2026Added to the catalog
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