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adidas MaXi-Race 2026

Shokz Demi-tOur du Lac

Doussard, France

From Doussard to Annecy via Semnoz: a mountain course requiring water management before the long final descent.

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57kmDistance
+3,338mElevation
3,348mD−

Metrics from the available track

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View of Lake Annecy from a Mont Veyrier trail.
Photo:Calydon74CC BY-SA 4.0 · adapted image

Route reference

Prepare the Shokz Demi-tOur du Lac route

The Shokz Demi-tOur du Lac 2026 page brings together published data for this running route.

The route is listed from Doussard, France to Annecy, France, with 57.1 km and 3,458 m D+ on the page.

Listed organiser: MaXi-Race.

Start / area
Doussard, France
Finish
Annecy, France
Edition
2026
Distance
57.1 km
Elevation gain
3,458 m D+

GPX track and calculated values

Calculated values for this track: 57 km of distance calculated from the GPX track · 3,338 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: 57.1 km; distance calculated from the GPX: 57 km.
  • Source-page value: 3,458 m ascent; ascent calculated from GPX elevations: 3,338 m.

Documented checkpoints and aid stations

Aid stations or life bases: 1 · listed water points: 4 · checkpoints: 2.

  • Water point — km 13.6 · km 13.6 — Indicative distance from the official table; no official intermediate coordinates published. Cutoff at the station exit: leave before the deadline; no return to the food area after leaving. Personal assistance is forbidden outside authorized aid bases.
  • Water point — km 21.6 · km 21.6 — Indicative distance from the official table; no official intermediate coordinates published. Cutoff at the station exit: leave before the deadline; no return to the food area after leaving. Personal assistance is forbidden outside authorized aid bases.
  • Forest — km 30.6 · km 30.6 — Indicative distance from the official table; no official intermediate coordinates published.
  • Semnoz life base · km 36.7 — Indicative distance from the official table; no official intermediate coordinates published. Cutoff at the station exit: leave before the deadline; no return to the food area after leaving. Crew support only in the designated area; the aid tent is reserved for runners.
  • Water point — entire course · km 46 — Indicative distance from the official table; no official intermediate coordinates published. Cutoff at the station exit: leave before the deadline; no return to the food area after leaving. Personal assistance is forbidden outside authorized aid bases.
  • Forest — km 51.1 · km 51.1 — Indicative distance from the official table; no official intermediate coordinates published.

Sources reviewed

Official sources: 5 · sources with a recorded review date: 5. Updates from the organiser always take precedence.

Latest recorded check: 8 October 2026.

Frequently asked questions

Is the Shokz Demi-tOur du Lac 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.

Other catalogue routes

Reviewed information

Preparation and points to check

Race-day instructions

  • Water at km 13.6, 21.6 and 46; Semnoz aid base at km 36.7. Crew support only at Semnoz; self-sufficiency between stations.
  • At km 43.1 after 16:30, runners must take the shorter diversion. The km 46 water station serves only the full course. No diversion GPX is fabricated.
  • Semnoz and finish menus are those published for 2026; available quantities are not guaranteed.

Checks before the start

  • Read the documents for your edition and check your assigned wave.
  • Plan self-sufficiency between stations and respect crew-support zones.
  • Check equipment and any activated weather kits before starting.

Differences and information still uncertain

These items are shown explicitly so an approximation is never presented as official data.

  • 2026 course reference. Current pages and regulations concern 2027: their schedules, categories and new rules are not imported as 2026 rules.
  • The 2026 table gives 57.7 km, 3,588 m ascent and 3,595 m descent; the organizer track displays 57.69 km, 3,344 m ascent and 3,354 m descent. Station totals remain table values, separate from GPX calculations.
  • Exact medical stations, food stocks and intermediate coordinates are unconfirmed. No service absent from the sources is invented.
  • The equipment table dates from September 2025 with no printed edition year. Check updates and weather-kit activation; blank cells do not mean a prohibition.

Check the information

Sources and provenance

These links point to the documents used. The organiser's instructions remain authoritative if they change.

  • GPX published by MaXi-Race — 2026 referenceOfficial
  • Official race page — current 2027 editionOfficial
    Open source
  • Organizer menus explicitly labelled 2026Official
    Open source
  • Official equipment table, no printed editionOfficial
    Open source
  • Official passage and cutoff tableOfficial
    Open source

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