Trail running races in Japan
26 upcoming trail running races in Japan.
22 cities
Busiest: November
From €43
Upcoming races
Your guide to trail running races in Japan
There are 26 upcoming trail running races in Japan, spread across 22 cities. Filter by distance or terrain to narrow things down, and save the races you like the look of.
Most take place in November, December and June. Next up is 6th OSJ Kami 100 - 101km in Kami on 31 October 2026.
Questions runners ask
How many trail running races in Japan are there?
Finndu lists 26 upcoming trail running races in Japan, across 22 towns and cities. The list is updated twice a day as organisers announce new races.
When is the next one?
6th OSJ Kami 100 in Kami, on 31 October 2026.
Which month has the most trail running races in Japan?
November, followed by December and June.
How much does it cost to enter?
Entry starts from JP¥8,000. Fees vary from race to race, so check each race page for its current price.