Friday | November18th 2022 | 12pm – Last Person Standing

What | The Purpose

This is the first Backyard Ultra held in Japan since 2021.
The race take place in Takao which is located at the suburb of Tokyo.
The course consists of an elevation of 515ft (157m) per loop.
The course record is 54 yards ran by Yukinori Yoshida.

We welcome anyone who is willing to overcome your limits to be the last one standing..
The winner of this race will get the golden ticket for the satellite backyard to take place in October 2022!
For every competition, loops completed count towards an at-large bid for Big Dogs World Championship in October 2023!


  • Be back to the start line in 60 minutes (minimum 14:23 min/mile pace).

  • We will give you a 3 minute, 2 minute and 1 minute warning to get lined up for the next loop.

  • Crew access is available at the start/finish. There is limited space to set up for your racer. Tents and are allowed. Space 3m x 3m

  • No pacers whatsoever.

  • We will provide aid at the start/finish (water and hot water)

  • To win, you must be the only person left standing, the last runner.

Where | The Trail

25min walk from Keio Takaosanguchi Station (more details on official website)

How | The Details

Cost: 20,000JPY

Registration Link: