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    12hr ultramarathons in New Hampshire, United States

    United States
    12hr
    New Hampshire

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    2 races

    The Hamsterwheel

    The Hamsterwheel

    Nov 7, 2026 (Sat)

    New Boston, New Hampshire, United States

    Largely flat 4-mile loops on the New Boston Rail Trail by the Piscataquog River and Hillsborough fairgrounds

    6h
    30h
    24h
    12h
    White Lake Ultras

    White Lake Ultras

    May 1, 2027 (Sat)

    Tamworth, New Hampshire, United States

    Single-track two-mile loop along White Lake, slightly technical terrain and beach scenery in White Lake State Park, New Hampshire.

    12h
    24h
    6h

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