The La Grande Course — Relais 3 2026 page brings together published data for this running route.
The route is listed from Les Signaraux, Isère, France to Treffort, Isère, France, with 27.4 km and 1,022 m D+ on the page.
Listed organiser: Idée-Alpe.
Start / area
Les Signaraux, Isère, France
Finish
Treffort, Isère, France
Edition
2026
Distance
27.4 km
Elevation gain
1,022 m D+
GPX track and calculated values
Calculated values for this track: 27.3 km of distance calculated from the GPX track · 1,000 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: 27 km; distance calculated from the GPX: 27.3 km.
Source-page value: 1,000 m ascent; ascent calculated from GPX elevations: 1,000 m.
Documented checkpoints and aid stations
Aid stations or life bases: 4 · listed water points: 4 · checkpoints: 0.
Chalet de l’Alpage du Sénépi · km 11
Mayres-Savel village · km 16
Villarnet · km 21
Passerelle de l’Ébron · km 23
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 La Grande Course — Relais 3 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.
Third relay runner: Les Signaraux–Treffort; 27 km and 1,000 m D+ announced.
Aid stations at Signaraux, Alpage, Mayres-Savel, water at Villarnet, Ébron and the finish; closes at 15:30.
Team bib pick-up according to the La Grande Course Relais time slots.
No shuttle to Les Signaraux; the team arranges the transfer of the third relay runner.
Official leg of the three-person relay; no separate individual registration; UTMB Qualifier 20 km announced for each relay.
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.
This relay runner's actual start time depends on when their teammate arrives; no separate fixed time is published.
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.
Official La Grande Course page — Relay 3 2026Official
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