Marathons in Japan This Week (Calendar 2026–2027)
2 marathons happening in Japan next week (Sep 29–Oct 5, 2026). Dates, distances and registration links below — updated daily.
| Date | Race | Location | Distances | Registration | Details | Organizer |
|---|---|---|---|---|---|---|
| OCT 4 2026 Starts in: 11d 03:19:56 |
7th Mine Akiyoshidai Geopark Ultra Marathon - 100km Plan in My Races |
Japan | ultra - 100km | Link needed | View | Update listing |
| OCT 4 2026 Starts in: 11d 03:19:56 |
Iwate Morioka City Marathon Plan in My Races |
Japan | Full Marathon | Registration link | View | Update listing |
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Frequently Asked Questions
Which marathons are happening in Japan next week?
There are 2 marathons and running races in Japan next week (Sep 29–Oct 5, 2026), including 7th Mine Akiyoshidai Geopark Ultra Marathon - 100km, Iwate Morioka City Marathon. Each race below links to full dates, distances, location and registration details.
Can I still register for races in Japan next week?
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 next week?
Distances next week include ultra - 100km, Full Marathon. Filter by distance on each race page to find the right event for you.
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