www.deepjapanultra.com

Deep Japan Ultra 100

Name: Deep Japan Ultra 100
Start: 2026-05-10
End: 2026-05-10
Location: Mitsuke

Mitsuke, Niigata, Japan

calendar_today 10 May, 2026

directions_run Running

language Official Website

About the Event

Answer the call of the wild at the DEEP JAPAN ULTRA 100. From June 26-28, 2026, the mountains of Niigata will host one of Japan's most authentic and grueling ultra-distance events. With a legendary 160km course at its core, this is a true explorer's race, taking you deep into remote valleys and demanding every ounce of your resilience. Organized for purists by TRAIL RUNNERS, it strips away the noise, leaving only the raw challenge of the terrain and the profound satisfaction of conquering it. This is where legends are forged.

Races Offered

160 km

May 10, 2026

straighten

Distance — 160K

terrain

Type — Running

timer

-97 days remaining

30 km

May 10, 2026

straighten

Distance — 30K

terrain

Type — Running

timer

-97 days remaining

80 km

May 10, 2026

straighten

Distance — 80K

terrain

Type — Running

timer

-97 days remaining

Weather History

These values represent the 3-year monthly averages for May in Mitsuke.

thermostat Temperature

10.5° / 21.7°

wb_sunny Feels like

9.1° / 20.7°

light_mode Avg sunshine hours

8h 19m

water_drop Avg rainfall

4.9 mm

ac_unit Avg snowfall

—

air Avg wind speed

7.1 km/h (Light breeze)

opacity Sweat loss rate

Moderate

terrain Course conditions

Firm and slightly soft

sunny Max UV Index

High (6.0)

humidity_mid Humidity

75.8%

wb_twilight Sunrise

04:35

nightlight Sunset

18:46

About Mitsuke

Learn more about the host city, Mitsuke.

Mitsuke is a city located in Niigata Prefecture, Japan. As of 31 December 2020, the city had an estimated population of 39,908 in 15,139 households, and a population density of 510 persons per km2. The total area of the city is 77.01 square kilometres (29.73 sq mi), making it the smallest city in Niigata Prefecture in terms of area.