On Friday, September 12, 2025, as part of Trail Runners' SDGs project, the "National Mountain Region Future Building Project," we held a "Dream Lesson" at Ishiuchi Elementary School in South Uonuma City, Niigata Prefecture, as a contribution to the local community around the venue of DEEP JAPAN ULTRA 100." The lesson taught students how to turn their passion into a job while remaining in their hometown.

On Friday, September 12, 2025, as part of Trail Runners' SDGs project, the "National Mountain Region Future Building Project," we held a "Dream Lesson" at Urasa Elementary School in South Uonuma City, Niigata Prefecture, as a contribution to the local community around the venue of DEEP JAPAN ULTRA 100." The lesson taught students how to turn their passion into a job while remaining in their hometown.

On Wednesday, September 10, 2025, as part of Trail Runners' SDGs project, the "National Mountain Region Future Building Project," we held a "Dream Lesson" at West Elementary School in Tokamachi City, Niigata Prefecture, as a contribution to the local community around the venue of DEEP JAPAN ULTRA 100." The lesson taught students how to turn their passion into a job while remaining in their hometown.

On Wednesday, September 10, 2025, as part of Trail Runners' SDGs project, the "National Mountain Region Future Building Project," we held a "Dream Lesson" at Koide Elementary School in Uonuma City, Niigata Prefecture, as a contribution to the local community around the venue of DEEP JAPAN ULTRA 100." The lesson taught students how to turn their passion into a job while remaining in their hometown.

On Tuesday, September 09, 2025, as part of Trail Runners' SDGs project, the "National Mountain Region Future Building Project," we held a "Dream Lesson" at Kinoto Elementary School in Tainai City, Niigata Prefecture, as a contribution to the local community around the venue of DEEP JAPAN ULTRA 100." The lesson taught students how to turn their passion into a job while remaining in their hometown.

2025 movie of DEEP JAPAN ULTRA 100 was published.

On Thursday, September 04, 2025, as part of Trail Runners' SDGs project, the "National Mountain Region Future Building Project," we held a "Dream Lesson" at Iida Elementary School in Sanjo City, Niigata Prefecture, as a contribution to the local community around the venue of DEEP JAPAN ULTRA 100." The lesson taught students how to turn their passion into a job while remaining in their hometown.

2025 Short movie of DEEP JAPAN ULTRA 100 was published.

Dorp return is at UONUMA IRIHIROSE ELEMENTARY SCHOOL GYM.

The time will be 9:00 today

Introducing the “special menu” offered at each aid station.

Enjoy our “special menu” featuring ingredients from Niigata.

There are two water sources around Odake. One is“Gojin Shimizu” on the way from the Futakuchi Trailhead to Odake, and “Kibitaki Shimizu” on the way from Odake to the Hokkyurei Hut.

Temperatures are expected to rise during the competition period. Be sure to replenish fluids and electrolytes, and take precautions against heatstroke.

This year, we will be broadcasting the event live on YouTube's Trail Runners Channel (https://www.youtube.com/c/TRAILRUNNERS) with even more power than last year.

Cold weather kit has been removed from the list of mandatory gear.

Temperatures are expected to rise during the competition period. Please be careful not to suffer from heatstroke.

Thanks to the kindness of Suwa Onsen, business hours have been extended during the tournament period.

You can check the DEEP JAPAN ULTRA 100 ～NIIGATA～ 2025 results from the link in the post.

After checking the remaining snow conditions on the course, we have decided to exclude a remaining snow kit from the required equipment list.

The necessary equipment, “IBUKI GPS,” will be handed out on Friday, the day of the competition, starting at 7:30 a.m. on the 27th.

Participants who have selected the day-before registration option must come to the registration location at the gymnasium to receive their “IBUKI GPS.”

The sub-phone number for the Tournament Headquarters has changed. The main phone number remains unchanged.

Please register the new number on your mobile phone in advance.

Old: Sub-phone number 070-4368-5782

→

New: Sub-phone number 080-7851-5650

Main phone number 0258-66-7991

Although it was stated that showers would be available at CP8 “Visitor Center,” due to a malfunction in the facility's water heater, showers will not be available during the competition period.

During the event, family and friends can check the location of athletes via Ibuki Link.