Tokyo100 2026
Also known as: TOKYO100 · Tokyo 100
A mountain race linking the hills of Ome, Okutama and Hinohara in western Tokyo. From the Ome hills it loops through Okutama and Fujikura in Hinohara, then over Takanosuyama on the Ishione ridge back to Okutama, past waterfalls, streams and beech forest of the upper Tama River, unmarked and navigated by GPS.
The course tops out at 1,717 m (low point 239 m). There are 4 big climbs: 1,034 m around 17–25 km; 1,023 m around 32–51 km; 852 m around 61–67 km; 1,374 m around 78–88 km. Only about 20% is gentle (under 5% grade); most of it is climbing or descending. In 2025, 71% of starters finished. The median finish was about 25 h, through one night.
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.
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Predict in detail from my Strava trainingOverview
- Date
- Sat, 7 Nov 2026
- Start
- 09:00
- Location
- Tokyo, Japan
- Distance
- 101 km
- Elevation gain
- 7,011 m
- Time limit
- 30h
- ITRA
- 100K
- Official website
- www.tokyo100.info
Elevation profile
Aid stations and cutoffs
| # | Distance | Aid station | Segment | Cutoff |
|---|---|---|---|---|
| 1 | 8 km | Aid 1CP1 榎峠（通過チェックのみ） | 8 km | — |
| 2 | 16 km | Aid 2A1 川井スポーツコミュニティ施設（救護） | 8 km | Day 1 14:005h |
| 3 | 36 km | Aid 3A2 奥多摩総合運動場（救護・仮眠可・荷物受取） | 20 km | Day 1 20:0011h |
| 4 | 45 km | Aid 4A3 水根沢駐車場 | 9 km | Day 1 22:0013h |
| 5 | 61 km | Aid 5A4 藤倉（旧藤倉小・救護・仮眠可） | 16 km | Day 2 04:0019h |
| 6 | 77 km | Aid 6A5 奥多摩総合運動場（救護・仮眠可・荷物受取） | 16 km | Day 2 07:0022h |
| 7 | 89 km | Aid 7CP3 鷹ノ巣山避難小屋（通過チェックのみ・補給なし） | 12 km | — |
| F | 101 km | FinishFIN 奥多摩総合運動場 | 12 km | Day 2 15:0030h |
The small figure under each cutoff is the time from the start. Day 1 is the day of the start.
Registration
- Registration
- Sat, 2 May 2026 – Mon, 5 Oct 2026
- Entry
- First come, first served
Add the race in the app to put registration opening and closing and the lottery results into your calendar.
2025 results
112 starters, 80 finishers (71.4% finish rate). Finish times of those who finished:
- Fastest
- 16h 48m
- Top 10%
- 21h 32m
- Top 25%
- 22h 49m
- Median
- 25h 10m
- Top 75%
- 27h 23m
- Top 90%
- 28h 12m
- Last finisher
- 29h 38m
"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.
Other races
- HASETSUNE 30K 2026Sun, 29 Mar 2026 · Tokyo, Japan · 30.2 km
- Tokyo Grand Trail 200km 2026Fri, 22 May 2026 · Tokyo, Japan · 193 km
- Tokyo Grand Trail 160km 2026Fri, 22 May 2026 · Tokyo, Japan · 152 km
- Tokyo Grand Trail 90km 2026Fri, 22 May 2026 · Tokyo, Japan · 94 km
- Tokyo Grand Trail 60km 2026Sat, 23 May 2026 · Tokyo, Japan · 59 km
- Hasetsune Cup 71.5km 2026Sun, 11 Oct 2026 · Tokyo, Japan · 71.5 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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