Yonabaru, ...,
20Dec
100km
Running
- Distance
- 100K
- Countdown
- 39 days
- Entry fee
- $135.88
9th Okinawa 100K Ultra Marathon (第9回沖縄100Kウルトラマラソン)
runnet.jp
Date
20 Dec, 2026
Races
3 distances
Entry fee
$37.92 – $135.88
Runner rating
Be the first to rate
Website
Official website
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
20Dec
50km
Running
- Distance
- 50K
- Countdown
- 39 days
- Entry fee
- $85.32
20Dec
Nirai Kanai Run & Walk (22.5km)
Running
- Distance
- 22.5K
- Countdown
- 39 days
- Entry fee
- $37.92
Weather history
3-year monthly averages for December in Yonabaru, ....
Temperature17.4° / 21.5°
Feels like14.9° / 19.9°
Sunshine hours6h 29m
Rainfall4.2 mm
Snowfall—
Wind16.7 km/h (Gentle breeze)
Humidity70.3%
Max UV indexLow (2.4)
Sweat lossModerate
Course conditionsFirm and slightly soft
Sunrise07:08
Sunset17:39
Hotels & places to stay
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