About
Race through ancient sandstone ridges in Phu Lanka National Park, home to the famous Tham Naka and Tham Nakee caves — geological formations resembling dragon scales. Runners summit the Chedi Kong Khao Si Bun Nao, the park highest peak, and enter a restricted virgin forest area normally closed to visitors.
Organized byIsaan Ultra Trail / Bathavee Company
Difficulty
|3
Challenging46 KE
KM-Effort = distance (km) +elevation gain (m)100
Based on the ITRA standard.
Elevation Density38 m/km · Moderate
Elevation Density =elevation gain (m)distance (km)
Time limit:10h
Run Conditions
Mountain
Weather in Nov
Temperature
20 – 30°C
Warm
Humidity
High
Rainfall
16 mm
Dry season
Sunshine
10.3h/day
~3 rainy days expected
Registration
Deadline
Not specified
Entry fee
2,300 THB(~$70)
Travel & Logistics
VenueBan Don Bok School, Phu Lanka National Park
Google MapsNot found — check the website for more details
No airport within 200 km
Race Day Info
GPX File
Not yet released, check again closer to race date
BiB Collection
Not available yet, check again closer to race date
Mandatory Gear
Not available — check the website for more details
Other Distances
Community
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Race data is actively being refined. If something looks off, .
Sources: website · Enriched 2026-05-24