Okinawa 100K Ultra Marathon
External Event
Distance
26.2 mi
Pace
Ultra paces
Terrain
Trail/Road (Assumed)
Difficulty
Extreme
About this run
The Okinawa 100K Ultra Marathon is set to take place on Sunday, December 20, 2026, in Yonabaru, Japan. This event is designed for extreme endurance athletes, offering multiple ultra-distance challenges. Participants can choose from a 100 km solo race, a 100 km pair event, or a 50 km solo race, as well as a 50 km pair option. The event also includes a Nirai-k distance, details of which can be found on the registration page. This ultra marathon provides a unique opportunity to test your limits on the island of Okinawa. The challenging distances demand significant preparation and mental fortitude.
Who it's for
This event is exclusively for highly experienced ultra-marathoners and endurance athletes prepared for distances of 50 km and 100 km, including team options.
What to expect
- Ultra-marathon distances require meticulous training and race-day strategy; consult the official race information.
- Plan your nutrition and hydration carefully, as these ultra distances demand significant fuel.
- Check the official registration page for specific start times for each distance category.
- Be prepared for varied weather conditions common in December in Okinawa.
- Familiarize yourself with the course details, which will be available on the official registration page.
Good to know
- The event is scheduled for December 20, 2026.
- Multiple race distances are available, including 100 km, 100 km Pair, 50 km, 50 km Pair, and Nirai-k.
- Further event details and registration are available via the official registration page.
Typical conditions
For events around December 2026 in Yonabaru, Japan: Typical mid-winter / cooler season in this region — dress in layers and check the official page for weather-related changes.
How to prepare
Trail events reward time on uneven surfaces and hills. Practice footing and bring the shoes and hydration the organizer recommends — details vary by race.
Find races near youGetting there
This event is listed in Yonabaru, Japan. Confirm the exact start venue, parking, and transit options on the official registration page.
Frequently asked questions
What is the date of the Okinawa 100K Ultra Marathon?+
The Okinawa 100K Ultra Marathon is scheduled for Sunday, December 20, 2026.
Where does the Okinawa 100K Ultra Marathon take place?+
The event is held in Yonabaru, Japan.
What are the distances offered?+
Distances include 100 km, 100 km Pair, 50 km, 50 km Pair, and Nirai-k.
How can I register?+
Registration information is available on the official registration page.
Is this event suitable for beginners?+
No, the ultra-marathon distances are for experienced endurance runners only.
What is the start time?+
The race starts at 06:00 UTC on December 20, 2026. Check the official page for specific start times for each distance.
Where can I find course maps?+
Course maps and details will be provided on the official registration page.
Registration is handled by the official event organizer
Know a local group? Host a community run in Yonabaru
