Marathons in Japan This Week (Calendar 2026–2027)
2 marathons happening in Japan this week (Jun 16–Jun 22, 2026). Dates, distances and registration links below — updated daily.
| Date | Race | Location | Distances | Registration | Details | Organizer |
|---|---|---|---|---|---|---|
| JUN 20 2026 Starts in: 3d 01:47:06 |
Kaga Spa Trail Endurance 100 Japan by UTMB® Plan in My Races |
Japan | Ultra Marathon, Half Marathon, Kaga Spa Trail Endurance 100, Kaga Spa Endurance 50, Kaga Spa Trail Endurance 20 | Registration link | View | Update listing |
| JUN 21 2026 Starts in: 4d 01:47:06 |
Mihara Hakuryuko Trail Run Race - 21K Plan in My Races |
Japan | Half Marathon | Registration link | View | Update listing |
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Frequently Asked Questions
Which marathons are happening in Japan this week?
There are 2 marathons and running races in Japan this week (Jun 16–Jun 22, 2026), including Kaga Spa Trail Endurance 100 Japan by UTMB®, Mihara Hakuryuko Trail Run Race - 21K. Each race below links to full dates, distances, location and registration details.
Can I still register for races in Japan this 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 this week?
Distances this week include Ultra Marathon, Half Marathon, Kaga Spa Trail Endurance 100, Kaga Spa Endurance 50, Kaga Spa Trail Endurance 20. Filter by distance on each race page to find the right event for you.
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Already listed in Japan? Open the race and use Update listing. Missing event? Start here with the location prefilled.