BULSS 東京 (Backyard Ultra Last Samurai Standing) 2026
Billed by the organizers as the first backyard ultra held in Japan. Starting from Takao Green Center in Minami-Asakawa, Hachioji, each yard is three out-and-backs on a mostly forest-road course.
A backyard ultra: a 6.706 km lap every 60 minutes (D+110 m per lap), until only one runner is left.
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Predict my raceOverview
- Date
- Sat, 21 Nov 2026
- Start
- 13:00
- Location
- Tokyo, Japan
- Distance
- 6.7 km per lap (a new lap every 60 minutes)
- Elevation gain
- 110 m per lap
- Official website
- backyardultra.jp/races/2026tokyo
Registration
- Registration
- Sat, 18 Jul 2026 – Tue, 20 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.
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 how many laps you could run 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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