Chiang Mai by UTMB Elephant 100
Friday, 4 December 2026In 36 days · Start 08:00
Chiang Mai by UTMB: 3 distances
A 100 km jungle-and-ridge ultra in the hills around Chiang Mai, finishing at the PAO Park event village; it is the 100K Finals-qualifying race of the Thai UTMB event.
The Chiang Mai by UTMB Elephant 100 is a trail 100 km ultra in Chiang Mai, Thailand, on Friday, 4 December 2026, starting at 08:00. The point to point course has 5,500 m of elevation gain (mountain), and the start temperature on race day has averaged 21°C in recent years. Entry is first come, first served, and the standard fee is about $260. The cut-off is 28 hours.
Something out of date? Suggest a correction · Organizer of this race? · Send photos
Facts checked 10 Oct 2026 against chiangmai.utmb.world, runningconnect.com.

Plan your trip to Chiang Mai
Race weekends book up early. Searches are set for the race dates.
Some of these are affiliate links: if you book or buy through them we may earn a commission, at no extra cost to you.
Chiang Mai by UTMB Elephant 100 course map
A detailed route is not available for this race yet. The marker shows the race location.
Chiang Mai by UTMB Elephant 100 elevation profile
Chiang Mai by UTMB Elephant 100 race-day weather
4 December in past years
Historical averages for 4 December ±3 days, 2016–2025, from 08:00 for 5 hours (70 days sampled). Source: Open-Meteo / ERA5.
Chiang Mai by UTMB Elephant 100 finish times by age group
| Age | Men | Women |
|---|---|---|
| Under 30 | 11:26:30* | 15:22:59* |
| 30–39 | 12:37:41* | 14:14:35* |
| 40–49 | 13:03:11 | 15:40:13 |
| 50–59 | 15:23:00 | 17:55:15 |
| 60+ | 19:01:30 | 22:58:14(7) |
Average finish time of the 10 fastest runners in each age group, 2024–2025 (2 editions, gun time). * The race uses different age groups; mapped to the closest band. Fewer than 10 finishers: averaged over those who finished.
Runner reviews
Chiang Mai by UTMB Elephant 100: questions and answers
- When is the Chiang Mai by UTMB Elephant 100 2026?
- The Chiang Mai by UTMB Elephant 100 is on Friday, 4 December 2026, with the start at 08:00 local time.
- How hilly is the Chiang Mai by UTMB Elephant 100?
- The course has 5,500 m of climbing and 5,500 m of descent. We rate it mountain. It is a point to point course on trail.
- What is the weather usually like at the Chiang Mai by UTMB Elephant 100?
- Around the race date in 2016–2025, the temperature at the 08:00 start averaged 21°C, rising to about 27°C during the race, with 70% humidity. It rained on about 3% of those days.
- How do you get a place in the Chiang Mai by UTMB Elephant 100?
- Entry is first come, first served. The standard entry fee is about $260. Check the official site for the current registration dates.
- What is the cut-off time for the Chiang Mai by UTMB Elephant 100?
- Runners have 28 hours to finish.
Guides for this race
Share this race
Organizing this race? Add it to your website
Show your runners the course facts and race-day weather. Paste this code into your site; it displays the badge below and links to this page. It updates automatically when the race details change.
Around the same time
All races in December 2026 →Ultra-Trail Kosciuszko Miler
Bariloche by UTMB Tronador 130K
Ultra-Trail Cape Town 100 Miles
More races in Thailand
- Chiang Mai Marathon · Chiang Mai, Marathon20 Dec 2026
- Chiang Mai Half Marathon · Chiang Mai, Half marathon20 Dec 2026
- Amazing Thailand Half Marathon Bangkok · Bangkok, Half marathon28 Nov 2026
- Chiang Mai by UTMB Pagoda 50 · Doi Inthanon National Park, 57 km28 Nov 2026
- Amazing Thailand Marathon Bangkok · Bangkok, Marathon29 Nov 2026
- Chiang Mai by UTMB Chiang Dao 160 · Chiang Dao, 173 km4 Dec 2026
- Bangkok Marathon · Bangkok, Marathon10 Jan 2027
- Buriram Marathon · Buriram, Marathon23 Jan 2027
Ultras with a similar course
- Arc of Attrition 100 · Coverack, 173 km22 Jan 2027
- Western States 100 · Olympic Valley, 161 km26 Jun 2027
- Vietnam Highlands Trail Langbiang 100K · Da Lat, 104.2 km9 Jan 2027
- Canyons 100 Mile · Foresthill, 161 km23 Apr 2027
- Chihuahua by UTMB Raramuri 118K · Cerocahui, 118 km1 Oct 2027
- Hiroshima by UTMB 100K · Hiroshima, 95 km10 Apr 2027