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9th Okinawa 100K Ultra Marathon (第9回沖縄100Kウルトラマラソン)

Japan flag
Yonabaru, ..., Okinawa, Japan

calendar_today 20 Dec, 2026

directions_run Running

language Official Website

sell $37.92 – $135.88

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9th Okinawa 100K Ultra Marathon (第9回沖縄100Kウルトラマラソン)

About the Event

Starting in Yonabaru, in the southern part of Okinawa's main island, this coastal course turns around at Itoman City Hall. Enjoy views of Hyakuna Beach and Ou Island, and don't miss the Nirai Bridge and Kanai Bridge, a major highlight passed near the end of the course. Take in dynamic tropical scenery you can rarely see outside Okinawa. Entry fees: 100km ¥21,500, 50km ¥13,500, 22.5km ¥6,000, 100km Pair Entry ¥41,000, 50km Pair Entry ¥25,000, Student Runner discount (age 25 and under: ¥1,000 off each category)

Races Offered

100km

Dec 20, 2026

straighten

Distance — 100K

terrain

Type — Running

timer

129 days remaining

sell

$135.88

50km

Dec 20, 2026

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Distance — 50K

terrain

Type — Running

timer

129 days remaining

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$85.32

Nirai Kanai Run & Walk (22.5km)

Dec 20, 2026

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Distance — 22.5K

terrain

Type — Running

timer

129 days remaining

sell

$37.92

Weather History

These values represent the 3-year monthly averages for December in Yonabaru, ....

thermostat Temperature
17.4° / 21.5°
wb_sunny Feels like
14.9° / 19.9°
light_mode Avg sunshine hours
6h 29m
water_drop Avg rainfall
4.2 mm
ac_unit Avg snowfall
—
air Avg wind speed
16.7 km/h (Gentle breeze)
opacity Sweat loss rate
Moderate
terrain Course conditions
Firm and slightly soft
sunny Max UV Index
Low (2.4)
humidity_mid Humidity
70.3%
wb_twilight Sunrise
07:08
nightlight Sunset
17:39

Hotels & Places to Stay

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