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    March ultramarathons in Oregon, United States

    March
    United States
    Oregon

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    2 races

    Siuslaw Dunes

    Siuslaw Dunes

    Mar 6, 2027 (Sat)

    Florence, Oregon, United States

    50K and 25K routes through ancient sand dunes, old-growth forests, remote beaches, and stream crossings in Oregon Dunes National Recreation Area

    50K
    Owyhee Off-Road Challenge

    Owyhee Off-Road Challenge

    Mar 20, 2027 (Sat)

    Adrian, Oregon, United States

    High desert 55K through packed dirt, loose rock, technical climbs and descents, with sweeping Snake River and Owyhee Valley views near Adrian, Oregon

    55K

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