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Swiss Alps 100
UltraSwitzerlandValais

Swiss Alps 100 2026

07.08 – 09.08.2026Fiesch (Switzerland)
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10’15033’301 m D+ ft D+

159.4 km99 mi160Klongest of 4 courses

At a glance

Swiss Alps 100 2026 took place from Friday 7 to Sunday 9 August 2026 in Fiesch (Valais, Switzerland). 4 courses from 10.3 to 159.4 km.

Longest course: 159.4 km with 10’150 m D+ (64 m per km: very steep terrain).

The 2027 edition takes place on Friday 6 August 2027. On Kliva, plan your pacing and nutrition for free, then send the plan to your watch.

Swiss Alps 100 is held in Fiesch and offers four race formats starting 7 August 2026: a Vertical (10.3 km, 1830 m gain), 50K (3210 m gain), 100K (6250 m gain), and a 160K that sets off Friday morning…
From the organiser

4 courses

  1. 10.3km6.4mi

    1’830 m D+6’004 ft D+

    avg 18%

    Vertical
    UTMB Index 20K

  2. 51.6km32.1mi

    3’210 m D+10’531 ft D+

    avg 6%

    50K
    UTMB Index 50K

  3. 100.8km62.6mi

    6’250 m D+20’505 ft D+

    avg 6%

    100K
    UTMB Index 100K

  4. 159.4km99mi

    10’150 m D+33’301 ft D+

    avg 6%

    160K
    UTMB Index 100M

GPX trace not yet published.

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Fiesch (Switzerland)

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