Sport · Northeast
Ubonratchathani 100K Ultra Marathon 2026
A 100 km ultra marathon weekend at Huai Muang Public Park in Ubon Ratchathani.
Confirmed dates
- Dates
- Sat 05 to Sun 06 Dec 2026
- Date status
- Dates published by the organiser or an official tourism source
- Venue
- Huai Muang Public Park
- City
- Ubon Ratchathani
- Province
- Ubon Ratchathani
- Region
- Northeast
- Category
- Sport
- When it runs
- 2026 edition on 5 to 6 December 2026
- Checked
- Tue 27 Oct 2026 against the official source
About this event
The Ubonratchathani 100K Ultra Marathon is a two day ultra event based at Huai Muang Public Park on 5 and 6 December 2026, listed on the Runlah calendar for Ubon Ratchathani province. A full 100 km road ultra is a serious endurance draw, and it lands a week after the Ubon Marathon for runners extending a Northeast trip. Ubon city offers the hotels, food and transport links to support an ultra weekend.
Booking
Booked around the event: hotels, passes, transfers and eSIM. Booking options for this event are being checked and will be added here.
Official source: https://www.runlah.com/en/calendar/location/ubon-ratchathani. Dates checked Tue 27 Oct 2026.