This race has finished.
The next edition is undecided. Please check the official site.
Status updated: July 20, 2026
Nagano
Trail
OSJ ONTAKE100
OSJ ONTAKE100
Date
July 18, 2026
Location
Nagano
Venue
Otaki Village, Kiso District, Nagano Prefecture
Distance
Trail
Entry Fee
¥19,000
Time Limit
24h
Capacity
1,200 runners
Finish Rate
—
Last updatedJuly 20, 2026·36 days agoOfficial site checkedAugust 24, 2026Info may be outdated
AI summary
TRAILMandatory gear
Drinks of 500 ml or moreSnacks for on the goRainwear (Top and Bottom)Light (Verified to be on)Survival SheetFirst-aid kit (gauze, antiseptic, band-aids, etc.)Cell PhoneTravel CupBear BellTaping tape (at least 80 cm × at least 3 cm)Portable ToiletWinter ClothingGloveWhistleCompassMountain Map
✓ Gear check at registrationGear up at STRIDE LAB
Nutrition ↗Bottles & Cups ↗Lights ↗First Aid & Emergency ↗Rain Gear ↗Warm Layers ↗Gloves ↗Bear Bell ↗Poles ↗All trail & ultra gear ↗
The online store run by hashiru.jp's operator
Time limit & cutoffs
100 Miles: 24-hour time limit, 3 checkpoints (approx. 55 km / approx. 110 km / approx. 132 km). 100K: 20-hour time limit, 2 checkpoints (approx. 55 km / approx. 77 km).
Trekking poles
Allowed with conditionsCan be used. When using, be sure to put the cap on and be mindful of your surroundings.
Pacers
Not allowed
Course preview
Not allowedSince the course is reserved for the competition only, practice runs are prohibited.
Summary for guidance. Always confirm mandatory gear and rules on the official site. Last verified: June 19, 2026
Access
ACCESSNote: 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
Runner Reviews
REVIEWSNo runner reviews for this race yet.
Share
RELATED RACES