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    Ultramarathons in Nagano, Japan in 2026

    2026
    Japan
    Nagano

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    6 races

    Central Alps Skyline Japan

    Central Alps Skyline Japan

    Jul 4-5, 2026 (Sat-Sun)

    Seba, Nagano, Japan

    90K
    OSJ Ontake 100

    OSJ Ontake 100

    Jul 18-19, 2026 (Sat-Sun)

    Nagano, Nagano, Japan

    109K
    161K
    The 4100D Mountain Trail in NOZAWA-ONSEN

    The 4100D Mountain Trail in NOZAWA-ONSEN

    Jul 19, 2026 (Sun)

    Nozawaonsen, Nagano, Japan

    65K
    Hakuba International Classic

    Hakuba International Classic

    Sep 13, 2026 (Sun)

    Hakuba, Nagano, Japan

    50K
    Osj Ontake50

    Osj Ontake50

    Sep 22, 2026 (Tue)

    Otaki, Nagano, Japan

    54K
    Madarao Forest Trails 50K

    Madarao Forest Trails 50K

    Oct 18, 2026 (Sun)

    Iiyama, Nagano, Japan

    50K

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    Showing 1 - 6 of 6 events