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Trail du Besso

Trail du Besso 2026

05.09.2026Zinal (Switzerland)
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Pacing, fueling and crew sheet for the course you pick

5’80019’029 m D+ ft D+

59 km36.7 miTrail du Bessolongest of 2 courses

At a glance

Trail du Besso 2026 took place on Saturday 5 September 2026 in Zinal (Valais, Switzerland). Two distances to choose from: 25.5 and 59 km.

Longest course: Trail du Besso, 59 km with 5’800 m D+ (98 m per km: very steep terrain).

The 2027 edition takes place on Saturday 4 September 2027. On Kliva, plan your pacing and nutrition for free, then send the plan to your watch.

In the heart of the Five 4000s, this extreme alpine trail connects the five huts at the bottom of the Val d'Anniviers using almost forgotten old alpine paths. Two glaciers and 4 passages above 3000m…
From the organiser

2 courses

  1. 25.5km15.8mi

    2’230 m D+7’316 ft D+

    avg 9%

    Tour du Roc

    05.09.

    UTMB Index 20K
  2. 59km36.7mi

    5’800 m D+19’029 ft D+

    avg 10%

    Trail du Besso

    05.09.

    UTMB Index 100K

GPX trace not yet published.

Race plan

Plan your race from start to finish.

Pacing, aid stations and fueling timed to your effort on Trail du Besso, in one roadbook.

Start

Zinal (Switzerland)

Where to stay

Find a place to stay near Zinal for the race.

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