Tokai Nature Trail 30K 2025
A one-way run from Taguchi Elementary School in Shitara, Aichi, past the Yotsuya rice terraces and Horaisan Toshogu to finish at Yuya Onsen. Much of it follows the Tokai Nature Trail ridges, alternating terraced mountain villages with steep hills.
The course tops out at 897 m (low point 86 m). There are 2 big climbs: 306 m around 4–6 km; 598 m around 13–18 km. The longest descent drops 581 m around 10 km at about 17% on average. Only about 20% is gentle (under 5% grade); most of it is climbing or descending. In 2024, 77% of starters finished. The median finish was about 8 h.
Estimate your finish from your ITRA index
Estimate (no finisher data for this race)
Enter your ITRA performance index to get an estimated finish time, aid-station splits and cutoff margins. This race has no finisher ITRA data, so it uses the transfer model: your predictions for the 205 races that do have finisher data, scaled by distance and elevation gain (km-effort) — the same calculation as the TRAIL STATUS app. Nothing is saved or sent.
The app adds predictions from your training log (Strava), race-day pacing and more. Free, no sign-up.
Predict in detail from my Strava trainingOverview
- Date
- Sun, 26 Oct 2025
- Start
- 09:30
- Location
- Aichi, Japan
- Distance
- 31 km
- Elevation gain
- 2,500 m
- Time limit
- 10h
- ITRA
- H
- Official website
- okumikawa-trail.com/race-info
Elevation profile
Aid stations and cutoffs
| # | Distance | Aid station | Segment | Cutoff |
|---|---|---|---|---|
| 1 | 11 km | Aid 1四谷千枚田 | 11 km | Day 1 13:003h 30m |
| 2 | 27 km | Aid 2鳳来山東照宮 | 16 km | Day 1 18:008h 30m |
| F | 31 km | FinishFINISH 湯谷温泉 | 4 km | Day 1 19:3010h |
The small figure under each cutoff is the time from the start. Day 1 is the day of the start.
2024 results
264 starters, 203 finishers (76.9% finish rate). Finish times of those who finished:
- Fastest
- 4h 44m
- Top 10%
- 6h 41m
- Top 25%
- 7h 23m
- Median
- 8h 10m
- Top 75%
- 8h 56m
- Top 90%
- 9h 29m
- Last finisher
- 9h 59m
"Top 25%" means one in four finishers had crossed the line by this time.
Years with a different course or different cutoffs are not directly comparable.
Practice courses
See the course on the Runnable map ↗
Runnable has practice courses on this race's trails, split into sections to run and sections to walk (pages in Japanese).
- Runnable practice course (33.5 km)
Other races
- OSJ SHINSHIRO 32K 2026Sun, 22 Mar 2026 · Aichi, Japan · 32 km
- OSJ SHINSHIRO 64K 2026Sun, 22 Mar 2026 · Aichi, Japan · 64 km
- GAMAGORI BAYSIDE TRAIL - LONG30km 2026Sat, 24 Jan 2026 · Aichi, Japan · 30 km
- TOKAI PENINSULA GIANT TRAIL 160km 2026Sat, 24 Oct 2026 · Aichi, Japan · 160 km
- TOKAI PENINSULA GIANT TRAIL 90km 2026Sat, 24 Oct 2026 · Aichi, Japan · 90 km
- Okumikawa Power Trail Running Race PowerTrail 60k 2025Sun, 26 Oct 2025 · Aichi, Japan · 61 km
From your training log, TRAIL STATUS estimates your finish time, aid-station splits and cutoff margins for this race.
Predict my raceCompiled from each race's official information. Details can change, so always check the race's official website for the latest. Spotted a mistake? Please tell us through the contact form.
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