UDONTHANI 100

The Udonthani 100, scheduled for October 17-18, 2026, takes runners through the scenic landscapes of Udon Thani province. The race starts and finishes at Ban Phasing School in Nong Wua So district, offering participants a unique blend of rural Thai beauty and challenging terrain.
Runners will experience diverse elevations as they navigate winding trails and roads that wind through picturesque villages and lush greenery. This event features various categories to cater to different levels of runners, including long-distance enthusiasts who can tackle the full 100-kilometer route over two days. The race is not just about physical endurance but also immersing oneself in the local culture and natural surroundings.
Registration for this exciting adventure is now open through RUNLAH, where participants can find detailed information on distances, categories, entry fees, and more. Don't miss out on the chance to explore Udon Thani's stunning countryside while pushing your limits as a runner.
For those looking to challenge themselves with shorter but equally rewarding routes, there are options available that cater to both experienced runners and newcomers alike. Each category promises an unforgettable journey through breathtaking scenery and vibrant communities along the way.
Participants can look forward to well-marked courses, clear signage, and support from local organizers who ensure a safe and enjoyable experience for all competitors.
Join the Udonthani 100 this October and discover why this race has become a must-attend event in Thailand's running calendar.