About
Ruammit Ultra Trail - 3K is a 3.0 km trail race with 36m elevation gain in Thailand. Rated easy / beginner friendly difficulty. Located near Chiang Rai, Chiang Rai.
Organized byBigBlue
Difficulty
Not part of any indexed race series.
Easy / Beginner Friendly3 KE
KM-Effort = distance (km) +elevation gain (m)100
Based on the ITRA standard.
Elevation Density12 m/km · Easy
Elevation Density =elevation gain (m)distance (km)
Time limit:Not specified
Run Conditions
Weather in Nov
Temperature
19 – 31°C
Warm
Humidity
Very high
Rainfall
45 mm
Light rain
Sunshine
7.2h/day
~5 rainy days expected
Registration
Deadline
Oct 8, 2026
Entry fee
BigBlue Tribe – 375 THB(~$11)until May 7, 2026
Early Bird – 425 THB(~$13)until May 15, 2026
Normal – 500 THB(~$15)until Oct 8, 2026
Travel & Logistics
VenueBan Ruammit School (โรงเรียนบ้านรวมมิตร), Chiang Rai
Google MapsView on Maps
Nearest airports
CEI - Mae Fah Luang-Chiang Rai International Airport27 km | ~40min driving time
CNX - Chiang Mai International Airport216 km | ~3h36 driving time
Race Day Info
GPX File
Not yet released, check again closer to race date
BiB Collection
7 Nov 2026, 10:00–18:00, Ban Ruammit School. Mandatory gear check in person required.
Mandatory Gear
Not available — check the website for more details
Other Distances
Community
Reviews
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Race data is actively being refined. If something looks off, .
Sources: website · Enriched 2026-05-23