The route
Ultra Trail Grand Colombier 120 km
Next edition26-27 September 2026
109.1 km and 3,459 m of climbing between Belley and Culoz-Béon, with the high point at 1,499 m on the Col du Grand Colombier.
Drawn with a pen, line by line
- Distance
- 110.3 km
- Elevation gain
- 3,459 m
- Highest point
- 1,499 m
- Summits, passes and villages
- 39
01
The route in numbers
Indicative figures computed by Plotrek on its illustrative route, with altitudes from a terrain model. They may differ from the organiser's.
02
Reading the route
The start is at 3:00 at the Boulodrome couvert du Bas Bugey in Belley, at an altitude of 284 m. The route crosses the Col du Sansonnet at km 7.2, at 367 m, and goes through Conzieu at km 10.9. It then climbs to Innimond at km 24.6, at 880 m, and passes Ordonnaz at km 31.8, at 845 m.
Contrevoz follows at km 42.3, at 365 m. Prémillieu comes next at km 54.1, at 895 m, then Hauteville-Lompnes at km 68.8, at 800 m. The longest climb of the course gains 649 m: it starts at km 76.9, passes through Songieu and ends at the Col de la Biche, at km 89.1.
The high point, 1,499 m, is at km 95.6, at the Col du Grand Colombier. The finish is at the Zone de loisirs en Verbaou in Culoz-Béon, at km 109.1. The course totals 3,459 m of climbing and 3,506 m of descent, within a 26-hour cut-off.
Paths and places: © OpenStreetMap contributors. Altitudes measured on the route.
03 · Your poster
The route, drawn with a pen
The relief of the course, from Belley to Culoz-Béon, takes shape as contour lines: our pen plotter draws it with a pen, line by line. Your finisher name and time go in the cartouche, in A4, A3 or A2.
Shipped from our workshop in Le Bouscat
04
Official information
- Illustrative route redrawn by Plotrek from public data: the course announced by the organiser and OpenStreetMap paths. It is not the official course of the event.
- Altitudes: terrain model AWS Terrain Tiles
- Places: © OpenStreetMap contributors
- Figures and text: Plotrek
- Plotrek is not a partner of, or affiliated with, the race organiser.