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UTMB World Series100 kmTrail🇹🇭 Chiang Mai, Thailand

Chiang Mai by UTMB Elephant 100

Friday, 4 December 2026In 36 days · Start 08:00

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Chiang Mai by UTMB: 3 distances

DistanceDateClimbHighest pointStartCut-offEntry
100 kmChiang Mai by UTMB Elephant 1004 Dec 20265,500 m—08:0028 h$260
63 kmChiang Mai by UTMB Hmong 505 Dec 20263,000 m—06:0016.5 h$205
26 kmChiang Mai by UTMB Suthep 206 Dec 20261,100 m—06:307 h$105

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.

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Facts checked 10 Oct 2026 against chiangmai.utmb.world, runningconnect.com.

Elevation gain
5,500 m
Mountain · ↓ 5,500 m
Start altitude
334 m
above sea level, from terrain data
Temp at start
21°C
Peaks around 27°C
Entry fee
≈ $260
Open entry
Finishers
—
typical year
Course
Point to point
28h cut-off
Getting thereFly into CNX (Chiang Mai), about 8 km from the start
Chiang Mai

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Photo: Hdamm · CC BY-SA 3.0

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

Mountain: about 5,500 m of climbing and 5,500 m of descent. A detailed profile isn’t available for this race yet.

Chiang Mai by UTMB Elephant 100 race-day weather

At start
21°C
Peak during race
27°C
Humidity
70%
Chance of rain
3%
Wind
4 km/h

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

Top 10 overall, average of the last 2 editions
Men 10:53:36Women 12:36:05
AgeMenWomen
Under 3011:26:30*15:22:59*
30–3912:37:41*14:14:35*
40–4913:03:1115:40:13
50–5915:23:0017:55:15
60+19:01:3022:58:14(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

What time could you run here?Adjust your goal time for this course’s hills and typical race-day weather.Race time calculator →

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.

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