Marathons in Thailand This Week (Calendar 2026–2027)
2 marathons happening in Thailand next week (Sep 29–Oct 5, 2026). Dates, distances and registration links below — updated daily.
| Date | Race | Location | Distances | Registration | Details | Organizer |
|---|---|---|---|---|---|---|
| OCT 3 2026 Starts in: 10d 03:19:02 |
5th CNX 100K Ultra Marathon - 100km Plan in My Races |
Thailand | ultra - 100km | Link needed | View | Update listing |
| OCT 3 2026 Starts in: 10d 03:19:02 |
5th CNX 50K Ultra Marathon - 50km Plan in My Races |
Thailand | ultra - 50km | Link needed | View | Update listing |
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Frequently Asked Questions
Which marathons are happening in Thailand next week?
There are 2 marathons and running races in Thailand next week (Sep 29–Oct 5, 2026), including 5th CNX 100K Ultra Marathon - 100km, 5th CNX 50K Ultra Marathon - 50km. Each race below links to full dates, distances, location and registration details.
Can I still register for races in Thailand 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 Thailand next week?
Distances next week include ultra - 100km, ultra - 50km. Filter by distance on each race page to find the right event for you.
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