Iki Ultramarathon 2026

.Notice

  • ◆Important Announcement◆
    Credit card and PayPal payments are not available in Turkey and Russia.


    Please note that the entry will be closed once the maximum capacity has been reached.

    Race Guide is scheduled to be sent via email (in English) by the organizer about 1 month before the race day.

    Delivery and Pickup of Race Materials

    [Participants residing in Japan]
    Bib numbers and other race materials will be sent in advance to the address registered with Run Japan.
    The mailing is scheduled for late September.
    ※Please note that if you forget to bring your materials on race day, you will not be allowed to participate.

    [Participants residing outside Japan/living overseas]
    Race materials will be distributed on the Race Day, Saturday on October 17.

    100KM: From 3:50AM, at Ikinoshima Hall
    50KM: From 7:00AM, at Ikinoshima Development Center
    ※Please complete check-in at least 1 hour before the race starts

    Safety & Preparation
    The course may be dark and hazardous at the start or after sunset.
    ※For safety, all participants must use flashlights or suitable lighting.

    Health Insurance Card
    Bring your health insurance card (a copy is acceptable) in case of emergencies.

    Pain Relief Supplies
    While limited painkillers and anti-inflammatory sprays will be available, we recommend bringing your own if needed.

    Water Cup
    Participants must bring their own water cup (portable cup). Paper cups will not be offered at water stations.

    Pre-Race Party
    Preferences will be collected during registration to accommodate attendees.
    Date & Time: Friday, October 16th, 6:00 PM – 7:00 PM
    Venue: Ikinoshima Hall (Medium Hall)