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Status updated: June 18, 2026

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Shimane

Ultra Marathon

The Hidden Gem of Oku-Shimane: Yasaka Ultra-Marathon in Hamada 2025

秘境奥島根やさかウルトラマラニック in 浜田 2025

Date
October 26, 2025
Location
Shimane
Distance
Ultra Marathon
EventEntry FeeTime LimitCapacity
100km¥19,000——
42km¥11,000——
21km¥9,000——
Finish Rate
—
Last updatedJune 18, 2026·14 days agoOfficial site checkedJune 18, 2026
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AI summary

COURSE

Course certification

Not certifiedNo mention of Japan Association of Athletics Federations (JAAF) certification. Only “completion time” is recorded.

Course profile

Hilly累積 2,000 mWith over 2,000 meters of elevation gain, this is one of Japan’s most grueling courses

Cutoffs & time limit

100 km: First checkpoint at 39.5 km at 10:45, second checkpoint at 51.5 km at 12:30, third checkpoint at 65 km at 14:30, fourth checkpoint at 75 km at 15:45, Fifth checkpoint at 80 km at 16:45, Sixth checkpoint at 89.5 km at 18:15, Seventh checkpoint at 98 km at 19:45, Finish at 20:00 (15-hour time limit). 42 km: First checkpoint at 14 km at 10:45, Second checkpoint at 22 km at 12:00, Third checkpoint at 37 km at 14:30, Finish at 15:30 (time limit: 7 hours). 21 km: First checkpoint at the 16 km mark at 1:40 PM; finish at 2:30 PM (time limit: 3 hours 30 minutes)

Water stations

16 aid stations + 7 vehicle aid stations. A wide variety of food is available, including rice balls, miso soup, and local specialties. You must bring your own cup (paper cups are not allowed).

Start method

100km race starts at 5:00, 42km race starts at 8:30, 21km race starts at 11:00 (It is presumed that all races will start simultaneously. No information on starting blocks is provided.)

Finisher rewards

Participation Prize: Original event merchandise. Awards will be presented to the top three overall finishers (men and women combined) in the full and half marathons. A digital completion certificate will be issued to all finishers.

Changing & baggage

Baggage storage is available (excluding valuables). Participants in the 100km race may drop off their bags at the Yaei Kaikan Rest Station. Food and beverage booths are scheduled to be set up at the finish line.

Summary for guidance. Always confirm details on the official site. Last verified: June 22, 2026

AI summary

ULTRA

Elevation gain (D+)

2,000 m（Elevation gain of over 2,000 meters (main 100-km course)）

Aid stations

Full16 fixed aid stations + 7 vehicle aid stations. A wide variety of food options, including local cuisine, rice balls, soup, and desserts. Rest station (Yasaka Kaikan) available.

Mandatory gear

My CupRace Number and Timing ChipEmergency Sheet (130 cm × 200 cm or larger)Headlights (Front)Rear-facing lights or reflective materialsHealth Insurance CardCell phone capable of voice callsCourse MapBear Bell

Time limit & cutoffs

100 km: 15 hours (7 checkpoints), Full Marathon 42 km: 7 hours (3 checkpoints), Half Marathon 21 km: 3 hours 30 minutes (1 checkpoint)

Drop bag

Allowed

Start time

The 100km race starts at 5:00 a.m. (registration from 3:30 a.m.); since the race starts before dawn, a headlamp is required.

Summary for guidance. Always confirm mandatory gear and rules on the official site. Last verified: June 22, 2026

Access

ACCESS

Note: the map shows the approximate area. Check the official site for the exact start/venue.

Score

RATINGSAuto-calculated from market research, official data, and online voicesSome scores unavailable（4/6）

Course Appeal

コースの魅力

N/A

Organization & Support

運営・サポート

N/A

Finishability

完走しやすさ

0.0

Atmosphere

大会の盛り上がり

N/A

Access

アクセス

3.0

Value for Money

コスパ

N/A
Course AppealN/AOrganization & SupportN/AFinishability0.0AtmosphereN/AAccess3.0Value for MoneyN/A

Entering from overseas

INBOUND

Entry period

Entry open from April 30, 2025 (00:00) to September 29, 2025 (23:59).

Notes

The page provides very limited entry details. Contact the organizer at 082-961-4002 (weekdays 10:00–18:00) or via the website contact form for overseas entry inquiries.

Summary for guidance. Always confirm details on the official site. Last verified: June 22, 2026

Runner Reviews

REVIEWS
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Overall Score

1.5

/ 5.0 · 6-axis avg

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