INTHANON 20
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Doi Inthanon National Park Headquarters
- Distance
- 20 km
- Ascent
- +814 m
- High point
- 1,453 m
- drop bag
- 2
- Stations
- 4
- Time limit
- ≤ 7 h
- Start
- 07:00 AMSun, Nov 29
The course
The whole race, as a ridgeline
▲ 1,453 m
Start0 kmFinish20.5 km
◆ drop bag▲ high point
The climbs
The climbs that decide the day
- 01
km 3
1.6 km+206 m12.7 %
crest at km 3
- 02
km 7.1
1.5 km+123 m8 %
crest at km 7.1
- 03
View on the rice field
2.7 km+124 m4.5 %
crest at km 16.7
- 04
km 18.2
1.2 km+178 m15 %
crest at km 18.2
The course
On the map
Open the full-resolution mapThe roadbook
Stations
Every station on the course. Life bases carry a barrier clock in race-local time.
Doi Inthanon National Park Headquarters
drop bag20.5 km to Doi Inthanon National Park Headquarters
0 km1,246 m
- B6 Pha Mon Village9.81,194
- B1 Mae Klang Luang Village15.91,075Sun 01:30 PM
Doi Inthanon National Park Headquarters
drop bagcrew
20.5 km1,248 m
Course data verified September 18, 2026