The Le 3ème Poste 2026 page brings together published data for this running route.
The route is listed from Prunières, Isère, France to Musée La Mine Image, La Motte-d’Aveillans, Isère, France, with 15.9 km and 732 m D+ on the page.
Listed organiser: Idée-Alpe.
Start / area
Prunières, Isère, France
Finish
Musée La Mine Image, La Motte-d’Aveillans, Isère, France
Edition
2026
Distance
15.9 km
Elevation gain
732 m D+
GPX track and calculated values
Calculated values for this track: 15.9 km of distance calculated from the GPX track · 727 m ascent calculated from GPX elevations.
These track measurements remain separate from the organiser's figures and depend on the GPX version and sampling.
Source-page value: 16 km; distance calculated from the GPX: 15.9 km.
Source-page value: 700 m ascent; ascent calculated from GPX elevations: 727 m.
Documented checkpoints and aid stations
Aid stations or life bases: 1 · listed water points: 1 · checkpoints: 1.
Susville — magasin à charbon · km 7 — Aid station and relay point.
Col de la Festinière · km 13 — Cutoff with no aid station announced.
Sources reviewed
Official sources: 5 · sources with a recorded review date: 5. Updates from the organiser always take precedence.
Latest recorded check: 25 September 2026.
Frequently asked questions
Is the Le 3ème Poste GPX available?
Yes. The track and its profile can be viewed here, and the file is available as a free download from this page.
Do these details replace the organiser's instructions?
No. This page makes sources easier to consult and separates published data from GPX calculations. Check the latest official instructions before the start.
Start at 19:15 at the foot of the Rioux shaft in Prunières; finish at the La Mine Image museum.
Aid station at Susville at km 7; cutoffs at Susville 20:40, at the Col de la Festinière 22:15 and at the finish 22:45.
Pick-up possible in Échirolles, Mayres-Savel, La Mure or La Mine Image on 7 July from 16:30 to 18:15.
No baggage drop; paid buses from Grenoble, Pont-de-Claix or La Mine Image to Prunières, by reservation.
Born in 2008 or earlier; fees 19/25/29 €; UTMB Qualifier 20 km; headlamp mandatory.
Personal cup mandatory; no cups are handed out. Outside assistance limited to authorised zones; no post-race meal is planned, but a finish-line aid station and a recovery area are announced.
Differences and information still uncertain
These items are shown explicitly so an approximation is never presented as official data.
Organiser distances and elevation figures are indicative; the rules state that some private or dangerous sections are not necessarily included in the public GPX. Race-day course marking takes priority.
Notable places
Drac suspension footbridge above Lake Monteynard-AvignonetJohannes Reimer · CC BY 4.0 · adapted imageDrac suspension bridge across a wooded inlet of Lake MonteynardZairon · CC BY 4.0 · adapted image
Check the information
Sources and provenance
These links point to the documents used. The organiser's instructions remain authoritative if they change.
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