Matsuzaki, Shizuoka Pref., Japan · Saturday, December 12, 2026
Izu Trail Journey
What the course asks
DUV results for the 2025 edition (70km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, December
Regional 2001-2020 average for December — NASA POWER, grid elevation 231 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2025 | 70km | 899 | Hirokazu Nishimura · 06:13:36 | Honoka Akiyama · 07:14:17 |
| 2024 | 70km | 1,343 | Koken Ogasawara · 06:00:56 | Fu-Zhao Xiang · 07:25:36 |
| 2023 | 70km | 1,364 | Hirokazu Nishimura · 06:14:04 | Eszter Csillag · 07:10:09 |
| 2022 | 70km | 1,341 | Ryunosuke Omi · 06:19:34 | Honoka Akiyama · 07:06:13 |
| 2021 | 69.1km | 1,267 | Ruy Ueda · 05:46:34 | Yuri Yoshizumi · 06:59:12 |
| 2020 | 66km | 1,108 | Yuya Kawasaki · 05:58:08 | Honoka Akiyama · 06:59:41 |
| 2019 | 71.7km | 1,372 | Hirokazu Nishimura · 05:53:30 | Veronika Vadovicova · 07:05:53 |
| 2018 | 71.7km | 1,341 | Ko Ito · 06:53:13 | Yumiko Oishi · 08:14:50 |
| 2017 | 71.7km | 1,225 | Kota Araki · 06:43:48 | Ayano Fukuchi · 08:10:08 |
| 2016 | 71.7km | 1,318 | Miki Ushida · 06:54:33 | Yumiko Oishi · 08:42:44 |
The field shrank 33% between 2024 (1,343) and 2025 (899). 14% of the 2025 field were women.
DUV results for the 2025 edition (70km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Course notes
- terrain This is a mountain course. Poles are highly recommended for the sustained climbs.
- gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 70 km of trail with 3,120 m of ascent.
- Trail Running Shoes 45 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition 70 km of self-supported fuelling between aid stations.
- Hydration Vests Pole attachment and chest-strap stability on steep ground.
- Trekking Poles 3,120 m of ascent to walk up.
- Headlamps A 14 h limit puts you out there after dark.
Overview
The Izu Trail Journey is a 70 km trail race with 3120 meters of elevation gain, taking place in Matsuzaki, Shizuoka Pref., Japan. The course's 44.6 meters of climb per kilometer makes it a challenging event. With a time limit of 14 hours, the cut-off is more generous than 63% of 50-mile races, allowing a pace of 12 minutes per kilometer.
This race is bigger than 99% of 50-mile fields, drawing 899 finishers in its latest edition. The Izu Trail Running Race Committee has organized this event since 2016, with the 10th edition scheduled for December 2026.
Similar races
Other 50 mi trail ultras, closest in distance first.