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.

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.

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 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.

On Monday, June 10, 2024, as part of Trail Runners' SDGs project, the "National Mountain Region Future Building Project," we held a "Dream Lesson" at Ishizaka Elementary School in Nagaoka 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 Saturday and Sunday, June 7th and 8th, 2025, we welcomed 17 people and held "2026 Tournament Entry Qualification Granted!! DEEP JAPAN ULTRA 100 Official Trial Camp with Gediminas Grinius" on the DEEP JAPAN ULTRA 100 course. We would like to express our sincere gratitude to everyone who participated, to Asakusa Sanso and Yotege House, and to all those involved.

[Dream Lesson] will be held on Monday, June 9, 2025 at Maekawa Elementary School in Nagaoka City, Niigata Prefecture, the venue of DEEP JAPAN ULTRA 100. The "Dream Lesson" is part of Trail Runners' SDGs project "National Mountain Region Future Building Project," and is held out of Matsunaga's strong desire to teach children the importance of pursuing what they love. At the [Dream Lesson] at Maekawa Elementary School in Nagaoka City, we will invite ultra-trail world champion Gediminas Grinius to give a running class and a lecture. Parents and local residents are welcome to participate in this opportunity.

A simple aid station will be set up at the entrance to the Futakuchi Trail, available only to 30km runners on both the outward and return routes.

Entry list update