We held the restoration of the Hokurei hiking trail at Mt. SUMON, one of the community contribution projects of DEEP JAPAN ULTRA 100, which was recognized by Niigata Prefecture as a "community development business organization that supports the natural environment".

From October 16th to 17th, DEEP JAPAN ULTRA100 will have a PR booth at TransJeju by UTMB.
At the booth, we will hold a lottery where you can win DEEP JAPAN ULTRA100 merchandise.
Please come and visit us!


10월 16일부터 17일까지, TransJeju by UTMB에서 DEEP JAPAN ULTRA100 홍보 부스를 운영합니다.
부스에서는 DEEP JAPAN ULTRA100 굿즈가 당첨되는 추첨 이벤트를 진행합니다.
많은 방문 부탁드립니다!

Lottery form

DEEP JAPAN ULTRA 100 2026, Entries open today !

Aid Station Information Map.

*Private support is available at aid stations marked with "Personal Support (P.S.)" on the aid station information map.

On Tuesday, September 16, 2025, as part of Trail Runners' SDGs project, the "National Mountain Region Future Building Project," we held a "Dream Lesson" at South Nou Elementary School in Itoigawa 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 16, 2025, as part of Trail Runners' SDGs project, the "National Mountain Region Future Building Project," we held a "Dream Lesson" at Nakago Elementary School in Jyoetsu 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 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.