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UltraJapanEhime Prefecture

Ishizuchi challenge 2026

26.09 – 27.09.2026Ehime/Touon (Japan)
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4’70015’420 m D+ ft D+

61 km37.9 mi61km

At a glance

Ishizuchi challenge 2026 took place from Saturday 26 to Sunday 27 September 2026 in Ehime/Touon (Ehime Prefecture, Japan). One distance: 61 km.

The course is 61 km with 4’700 m D+ (77 m per km: very steep terrain).

The 2027 edition is expected on Saturday 25 September 2027, date to be confirmed by the organiser. On Kliva, plan your pacing and nutrition for free, then send the plan to your watch.

A non-marked mountain race around the Ishizuchi mountain range.
From the organiser

1 course

  1. 61km37.9mi

    4’700 m D+15’420 ft D+

    avg 8%

    61km

    26.09.

    ITRA 3UTMB Index 100K

GPX trace not yet published.

Race plan

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Pacing, aid stations and fueling timed to your effort on Ishizuchi challenge, in one roadbook.

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Start

Ehime/Touon (Japan)

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