Marathons in Japan This Week (Calendar 2026–2027)
3 marathons happening in Japan this month (Sep 23–Sep 30, 2026). Dates, distances and registration links below — updated daily.
| Date | Race | Location | Distances | Registration | Details | Organizer |
|---|---|---|---|---|---|---|
| SEP 26 2026 Starts in: 2d 01:45:49 |
Flash Trail Challenge Autumn - 79K Plan in My Races |
Japan | 79K | Registration link | View | Update listing |
| SEP 27 2026 Starts in: 3d 01:45:49 |
Tsukubarenzan trailrun in ISHIOKA - 71K Plan in My Races |
Japan | 71K | Registration link | View | Update listing |
| SEP 27 2026 Starts in: 3d 01:45:49 |
Wakasaji Trail Run - 40K Plan in My Races |
Japan | 40K | Registration link | View | Update listing |
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Frequently Asked Questions
Which marathons are happening in Japan this month?
There are 3 marathons and running races in Japan this month (Sep 23–Sep 30, 2026), including Flash Trail Challenge Autumn - 79K, Tsukubarenzan trailrun in ISHIOKA - 71K, Wakasaji Trail Run - 40K. Each race below links to full dates, distances, location and registration details.
Can I still register for races in Japan this month?
Many races keep registration open until a few days before — and some allow race-day sign-up. Use the registration link on each race for the latest status, since field limits and cut-offs vary by event.
What race distances are available in Japan this month?
Distances this month include 79K, 71K, 40K. Filter by distance on each race page to find the right event for you.
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