Samui Trail 25K is a 25.0 km trail race with 1,673m elevation gain in Thailand. This is a night race, starting at 02:00. Rated moderate difficulty. Located near Ko Samui, Surat Thani.
Based on the ITRA standard.
Temperature
22 – 27°C
Warm
Humidity
Extreme
Rainfall
285 mm
Monsoon
Sunshine
7.5h/day
~26 rainy days expected
GPX File
Not yet released, check again closer to race date
BiB Collection
Not available — check the website for more details
Mandatory Gear
Not available — check the website for more details
Race Results
We'll add the results link here once it's available, typically on race day or the day after
Race Pictures
We'll add the pictures download link here once it's available, typically 1–2 days after the race
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Sources: race.thai.run · Enriched 2026-07-08