DEEP JAPAN 160km

DEEP JAPAN 160km

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*If you fail to reach the “IIYURATEI” checkpoint within 23hours after start, you will not be able to proceed. Please turn around and complete the race as a 130km course.

*The course for this event has been set in consideration of rare wildlife species in Japan and based on guidance from the Forestry Agency. The course is subject to change according to wildlife breeding conditions and other factors.

*Course changes will be announced around the beginning of May to accommodate wildlife breeding conditions, etc.

ABOUT ENTRY

The following are the required conditions for participation in this competition. Please be sure to check all items thoroughly before applying.

Entry fee

160km 48,000 yen

Max 220 runners

  • Includes participation prize, accident insurance, one bath and use of rest room (*Payment fee not included).

  • Once the application has been received and payment has been made, no event changes or cancellations can be made for any reason.

  • Please note that the entry fee is non-refundable.

  • Transfer of entry rights to any other person for any reason is prohibited.

Participation requirements:

  • Must be at least 20 years old on the day of the race and be able to complete the course within the time limit without getting lost.

  • Ability to understand and comply with the competition rules.

  • International Trail Running Association points holder

Meet the ITRA points requirements of:

  • Either 10 points or more from a maximum of 3 races or 6 points or more from 1 race is required.

    * Points must be earned between September 26, 2021 and September 25, 2025. However, at least one race must be from September 26, 2024 to September 25, 2025.

    Alternatively, those who have completed the "DEEP JAPAN ULTRA 100 Official Test Run Camp" on June 7-8th or November 1-2th 2025 within the time allotted will be allowed to participate in the race without the required ITRA points.

Pacer:

  • One pacer is allowed per athlete.

  • Pacer section: 93.7 km from Iiyurattei to the finish line.

  • Pacers are only to run alongside for the athletes and are not allowed to carry the athletes' rations, essential equipment, etc.

  • If a pacer does not carry the required equipment, the athlete will be disqualified or a penalty time will be added to the athlete's time.

  • Pacer applications must be submitted by the pacer himself/herself by logging in to his/her RunNet ID.

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Check-in/Reception

Venue:

IRIHIROSE SPORTS CENTER

47-2 Otochiyama, Uonuma City, Niigata 946-0305, Japan 

Map:

https://maps.app.goo.gl/aBQVCHdw7suPxais8

Schedule

2026.06.25 (THU)

Time Schedule Location
15:00~17:00 160km Registration
Selected at the time of entry (first-come, first-served reservation system) 		IRIHIROSE SPORTS CENTER

2025.06.27 (FRI)

Time Schedule Location
08:00~09:30 160km Registration
Selected at the time of entry (first-come, first-served reservation system) 		IRIHIROSE SPORTS CENTER
11:00 160km start IRIHIROSE SPORTS CENTER

2026.06.27 (SAT)

14:50 Estimated time of 160km top finisher IRIHIROSE SPORTS CENTER

2026.06.28 (SUN)

08:30 160km award ceremony IRIHIROSE SPORTS CENTER
09:00 160km time limit IRIHIROSE SPORTS CENTER

Course Map・Elevation Map

Accumulated elevation of 10,000m in about 160km

GPX data can be downloaded below　

*160km race may be changed to a Plan B course depending on weather conditions.

*The course may be changed to the Plan B course approximately 20 hours prior to the start time, depending on weather conditions.

The plan B course consists of 2 laps of the 80 km course loop

In the event of a landslide or hypothermia hazard due to weather conditions, the Plan B course will be used around the 80 km course.

AID STATION

DISTANCE PLACE AID STATION CP BARRIER DROP BAG TOILET PERSONAL SUPPORT NAP PLACE SHOWER MEDICAL CARE
0.0 km IRIHIROSE SPORTS CENTER 〇 〇 〇 〇 〇
9.4 km SANSAI HALL 〇 〇 〇 〇 〇 〇
37.6 km SANSAI HALL 〇 〇 〇 〇 〇 〇
52.3 km HERB PARK 〇 〇 〇 〇 〇 〇 〇
63.3 km ODAKE 〇
75.3 km SHIODANI-RIVER 〇 〇 〇 〇 〇 〇 〇
93.7 km IIYURATEI 〇 〇 〇 〇 〇 〇 〇 〇
104.3 km NAKAURA FOREST PARK 〇 〇 〇 〇 〇 〇 〇
118.0 km VISITER CENTER 〇 〇 〇 〇 〇 〇 〇 〇
127.5 km IIYURATEI 〇 〇 〇 〇 〇 〇 〇 〇
133.0 km YOTTEGETEI 〇 〇 〇 〇 〇 〇 〇 〇
145.4 km SHIODANI-RIVER 〇 〇 〇 〇 〇 〇 〇
157.4 km ODAKE 〇
172.5 km IRIHIROSE SPORTS CENTER 〇 〇 〇 〇 〇 〇 〇 〇

*At checkpoints (CP), be sure to pass through the designated area.

*Due to a malfunction in the facility's water heater, the showers at CP8 “Visitor Center” are unavailable.

Aid Station Map

Click here for more information.

※ Regarding the Aid Station Information Map, at the aid stations marked with "P.S" indicating Personal Support, you will be able to receive personal assistance from aid station workers.

CHECKPOINTS

DISTANCE PLACE CUT OFF TIME ELAPSED TIME TOP EXPECTED TIME
0.0 km IRIHIROSE SPORTS CENTER 26th 11:00 0:00:00 26th 11:00
9.4 km SANSAI HALL 26th 14:00 3:00:00 26th 12:30
37.6 km SANSAI HALL 26th 23:00 12:00:00 26th 16:00
52.3 km HERB PARK 27th 03:00 16:00:00 26th 17:30
63.3 km ODAKE 26th 19:30
75.3 km SHIODANI-RIVER 27th 08:00 21:00:00 26th 21:00
93.7 km IIYURATEI 27th 10:00 23:00:00 26th 23:30
104.3 km NAKAURA FOREST PARK 27th 15:30 28:30:00 27th 02:00
118.0 km VISITER CENTER 27th 19:00 32:00:00 27th 04:30
127.5 km IIYURATEI 27th 22:00 35:00:00 27th 07:30
133.0 km YOTTEGETEI 27th 23:30 36:30:00 27th 08:15
145.4 km SHIODANI-RIVER 28th 02:00 39:00:00 27th 10:05
157.4 km ODAKE 27th 13:05
160.7 km FUTAKUCHI TRAILHEAD 28th 07:30 45:30:00 27th 13:50
172.5 km IRIHIROSE SPORTS CENTER 28th 09:00 46:00:00 27th 14:50

※ The cutoff time for the "IIYURATEI" checkpoint at 93.7 km (10:00 on the 27th) is the cutoff time to proceed to the 160 km course. Participants who do not make it to the "IIYURATEI" checkpoint by 10:00 on the 27th will continue the course as a 130 km race by turning back.

※Even if you have made it to the “Iiyu Ratei” gate at 10:00 on the 27th, you can turn around and change to the 130 km race. However, please be sure to report the change to the staff. Be sure to have your bib checked by staff before starting.

※The 130km race must start from Iiyuratei between 10:00 AM and 10:00 PM on the 27th. Be sure to have your bib checked when starting.

※ The cutoff time refers to the time when you leave the aid station. Failure to pass (exit) the checkpoint by the specified time will result in disqualification.

MANDATORY GEAR

Please note: The items included in the Mandatory Gear checklist should be chosen according to your skill level. Please don't choose clothing or packs strictly for lightness, but rather emphasize safety and equip yourself with items that will protect you from the cold, wind and rain at night in the mountains.

MANDATORY

Running pack
  • To carry mandatory kit throughout the race
COCOHELI
  • There are many areas on the course outside of cell phone coverage, especially mountainous regions such as Mt. Awa, Mt. Asakusa, Mt.Sumon and the south east side of them.
  • Therefore, please join COCOHELI in advance and bring your own transmitter, or rent a transmitter prepared by the organizer and carry it with you.
  • * Rental fee is 1,650 yen / 4,400 yen will be charged if the device is lost.
  • The COCOHELI device must be fully charged at the start.
IBUKI GPS
  • Please purchase an IBUKI GPS in advance and bring your own transmitter, or rent a transmitter provided by the organizer and bring it with you.
  • All athletes who reach “Iiyuratei” will have their IBUKI GPS devices replaced with new ones. Those using their own IBUKI GPS devices will also be provided with one at “Iiyuratei,” so please be sure to collect it. (The fee for the second device is included in the participation fee.)
  • Rental fee: 2,200 yen / In case of loss or damage, 19,800 yen will be charged.
Cell phone
  • Smartphones are preferred.
  • Participants must be reachable at all times during the event, including before and after the event.
  • The phone must be registered with the organizer's emergency phone number in a mode that can be used in Japan and must be fully charged at the start of the race. Airplane mode is not allowed. Violations may result in penalties.
  • Airplane mode is prohibited while the power is on. Violations may be subject to penalties.
  • Please make sure to register for WhatsApp.
  • ※Only voice calls are accepted as the contact method.
Cell phone spare battery and type C charging cable
  • A battery capacity of 10,000 mAh is recommended.
  • The battery must be capable of charging a mobile phone.
  • A Type C charging cable is required to charge the IBUKI GPS. the battery of the IBUKI GPS can be used continuously for about 40 hours in a good reception environment, but the battery may run out quickly depending on the surrounding reception environment.
Portable cup of 150ml or more
  • There are no paper cups available at aid stations
  • Bottles with caps are not permitted.
2 liter or more of water
  • At the equipment check, please show something (bottle or hydration) that can hold more than 2 liter of water. You can leave it empty.
2 working torches
  • With spare cells/batteries for each torch
  • Recommendation : 200 lumens or more for the main torch
Survival blanket
  • 1.3m×2m minimum
Whistle
  • It is necessary as a countermeasure when you cannot speak
Self-adhering elastic bandage for bandaging or strapping
  • 80cm × 3cm minimum
  • Pre-cut pieces are not acceptable.
Supplemental food totaling 800 kcal or more
  • Please calculate by yourself with the notation on the food.
  • KODA NUTRITION Energy Gel 1pack,45g/117kcal or equivalent sports gel etc. is recommended.
  • If you think you need more than this, please prepare by yourself.
  • Top athletes consume 1 piece every 30 minutes starting 1.5 hours after the start, totaling 4 pieces in 3 hours.
  • At the equipment check, please show the food you actually have.
Hooded rain jacket and rain pants
  • Gore-Tex or equivalent with waterproof and breathable properties, seams waterproofed with seam tape
  • Jackets must have an integrated hood
  • Jackets and pants must not have areas of non-waterproof fabric, but manufacturer-installed ventilation holes (such as under the arms) are permitted.
  • Participants must determine if a jacket and pants that comply with the aforementioned criteria will be able to withstand late nights in the mountains, wind and rain. However, the race director's opinion will be given priority in the mandatory equipment check.
Long pants
  • Long tights or leggings and socks.
  • To be able to cover the feet completely.
Hat or buff
  • Sun visors are not allowed as they do not cover the head for protection from the cold.
Warm clothes to change into
  • Long-sleeved mid layer for cold weather (Men's M size 180g equivalent, no cotton material)
  • or any combination of:
    • Long-sleeved mid layer for cold weather (Men's M size 110g equivalent, no cotton material)
    • Windproof jacket (separate from the rain jacket...)
Fingerless gloves
  • Ropes, chains, and ladders are set up throughout the course. There are countless areas where running is not possible. Hands must be used for climbing and care must be taken in passing. These gloves should be designed to prevent hand injuries from falls and slips.
Waterproof or water-repellent winter gloves
Mobile toilet
Mountain running shoes
  • The soles of the shoes must be cleaned to prevent plants from being brought in from outside the event area.
  • For safety reasons, road running shoes and sandals are prohibited.
Bear bell
ID card (with face photo)
  • Japanese athletes: ID card (with photo) and proof of insurance
  • Passport and proof of travel insurance for overseas athletes
  • ※Bring an original and a photocopy of each. The original will be used only for identification at the registration desk. When running, the following photocopies (cell phone photo data is also acceptable) must be carried.
    • Japanese athletes: Copy of insurance card (Cell phone photo data is also acceptable)
    • Overseas athletes: Copy of passport (Cell phone photo data is also acceptable)

Depending on the weather conditions, the organizer may request the athletes to carry the following sets.

Cold weather kit
  • A warm third layer (clothing worn between the waterproof jacket and the second layer)
  • *Recommended: Fleece or a thin down jacket that is compact
Remaining snow kit
  • Light crampons, snow spikes or snow chains

All clothing must fit the participant's own size and cannot be changed or modified in any way after being shipped as a product.

Mandatory equipment must be carried in a running sack throughout the race.

The running sack is tagged at the Check-in and cannot be changed during the race.

Recommended items

Bear repellent spray
Stock/Pole
  • Poles with caps can be used anywhere from the start to the finish line.
  • Please be considerate of how you carry poles when you start.
  • Poles with plastic tips can be used without a cap.
  • If you choose to bring your poles, you must carry them with you throughout the race.
  • It is forbidden to start without poles and pick them up during the race.
  • Poles cannot be put into your drop back.
  • Poles are prohibited in certain zones along the route for safety or environmental reasons. These areas are marked with specific symbols.
Tableware (bowls, spoons, etc. for hot soup)
  • For environmental protection, please use your own dishes at the aid stations. Hand your dishes to the staff and ask them to serve your food.
Compass
Cash
Sunscreen
Sunglasses
Poison remover
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