About
Mae Takhrai Trail - 85K is a 84.8 km ultra race with 3,790m elevation gain in Thailand. Terrain: forest, mountain. Near Doi Suthep-Pui National Park. Rated very hard difficulty. Located near Chiang Mai, Chiang Mai.
Organized byLannatrailtram
Difficulty
|100
Finisher Level5
Very Hard123 KE
KM-Effort = distance (km) +elevation gain (m)100
Based on the ITRA standard.
Elevation Density45 m/km · Moderate
Elevation Density =elevation gain (m)distance (km)
Time limit:26h
Run Conditions
ForestMountain
Weather in Dec
Temperature
17 – 27°C
Warm
Humidity
Very high
Rainfall
19 mm
Dry season
Sunshine
10.6h/day
~2 rainy days expected
Registration
Deadline
Oct 31, 2026
Entry fee
Super Early Bird – 3,300 THB(~$101)until Oct 31, 2026
Regular – 3,900 THB(~$119)
Travel & Logistics
VenueHuai Lan Reservoir, Chiang Mai
Google MapsView on Maps
Nearest airports
CNX - Chiang Mai International Airport6 km | ~15min driving time
Race Day Info
GPX File
Not yet released, check again closer to race date
BiB Collection
11 Dec 2026, 11:00–20:00
Mandatory Gear
- Water container (min. 1L)
- Cup and spoon
- Whistle
- Trail running shoes
- Basic first aid kit
- Mobile phone
- Race bib
- Drinking cup
- Equipment backpack
- Emergency blanket
- Headlamp with spare batteries x2
- Rain/wind jacket
- Emergency food
Other Distances
Mae Takhrai Trail - 10K
9.9 km+259mDec 13
ITRA
Mae Takhrai Trail - 25K
24.5 km+1,177mDec 13
UTMBITRA
Mae Takhrai Trail - 34K
33.7 km+1,623mDec 13
UTMBITRA
Mae Takhrai Trail - 57K
56.7 km+2,995mDec 12
UTMBITRA
Mae Takhrai Trail - 72K
72.0 km+3,554mDec 12
UTMBITRA
Mae Takhrai Trail - 108K
108 km+4,725mDec 12
UTMBITRA
Mae Takhrai Trail
177 km+9,651mDec 11
UTMBITRA
Community
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Race data is actively being refined. If something looks off, .
Sources: website · Enriched 2026-07-10