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Cover photo of Chiang Mai Thailand - ELEPHANT 100 2025 — 96 km, 5118 m elevation gain

Chiang Mai Thailand - ELEPHANT 100 2025

December 5, 2025
Distance
95.8 km
Elevation gain
5118 m
Country
🇹🇭 Thailand
Download the GPXOfficial race website
Course weather at your time of passage

The forecast arrives five days before the start.

Here you'll find the elevation profile and an estimated finish time based on your UTMB Index.

What's your time based on your UTMB?

Times estimated by the RAVIT model, learned from real ultra-trail finish times. Enter your UTMB Index (utmb.world) to get a personalized estimate.

Predicted race time based on your UTMB Index® · smoothed times achieved by runners at your level in past editions

UTMB Index®
Peaking14h23
Normal day
3005007009001000UTMB Index®
from Peaking (P10) to Survival mode (P90)extended based on 209,157 finishers from 222 racesCalibrated UTMB® points
SourceUTMB® IndexLiveTrail

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Cut-off times and crew - Chiang Mai Thailand - ELEPHANT 100 · 2025

96 km race checkpoints: kilometers, elevation, crew, cut-off time and access
Aid stationCum. kmCum. D+Seg. kmSeg. D+Seg. D-CrewCut-offAccess
A18 Wat Ban Iak9.10 m9.1399 m217 m———
A9 Wat Phraphutthabat Si Roi20.30 m11.2826 m313 m———
A10 Mae Ka Piang Village28.20 m7.9408 m742 m—Fri 05:00 PM—
A11 Ban Pang hai School37.70 m9.5595 m481 m—Fri 08:30 PM—
A12 Chao Mae Luang Upatham 2 School43.50 m5.8539 m139 m———
A13 Maesa Elephant Camp57.30 m13.8504 m1,218 m—Sat 03:00 AM—
A14 Chao Pho Luang Upatham 7 School66.50 m9.2720 m234 m———
W4 Wat Doi Pui76.30 m9.7734 m373 m———
A15 Khun Chang Khian Highland Research Station81.80 m5.5199 m248 m—Sat 10:00 AM—
Chiang Mai PAO Park95.80 m14.0194 m1,198 m—Sat 01:00 PM—

Data from the official race rules, checked for every edition. The race rules prevail. Positions are interpolated along the GPX track and are a guide, not official course marking.

What you'll find at each aid station

Aid station contents not documented.

Elevation profile

500 M750 M1000 M1250 M1500 MS01 · A18 Wat Ban Iak KM 9.1 — Alt 546 m D+ cumulé 0 m9.1 KMA18 Wat Ban IakS02 · A9 Wat Phraphutthabat Si Roi KM 20.3 — Alt 1059 m D+ cumulé 0 m20.3 KMA9 Wat Phraphutthabat…S03 · A10 Mae Ka Piang Village KM 28.2 — Alt 725 m D+ cumulé 0 m28.2 KMA10 Mae Ka Piang Vill…S04 · A11 Ban Pang hai School KM 37.7 — Alt 839 m D+ cumulé 0 m37.7 KMA11 Ban Pang hai Scho…S05 · A12 Chao Mae Luang Upatham 2 School KM 43.5 — Alt 1239 m D+ cumulé 0 m43.5 KMA12 Chao Mae Luang Up…S06 · A13 Maesa Elephant Camp KM 57.3 — Alt 525 m D+ cumulé 0 m57.3 KMA13 Maesa Elephant Ca…S07 · A14 Chao Pho Luang Upatham 7 School KM 66.5 — Alt 1011 m D+ cumulé 0 m66.5 KMA14 Chao Pho Luang Up…S08 · W4 Wat Doi Pui KM 76.3 — Alt 1372 m D+ cumulé 0 m76.3 KMW4 Wat Doi PuiS09 · A15 Khun Chang Khian Highland Research Station KM 81.8 — Alt 1323 m D+ cumulé 0 m81.8 KMA15 Khun Chang Khian …Start0 KMFinish95.8 KM

The course and its aid stations

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Chiang Mai Thailand - ELEPHANT 100: times, aid-station stops and fuelling needs by UTMB® Index

Between a UTMB® Index of 500 and 800, the estimated finish time on this race runs from 18h34 to 11h14. These times include aid-station stops: they come from real durations between two timing points, and this race's timing does not measure stops separately.

SourceUTMB® Index
Estimated time, stop time and fuelling needs on Chiang Mai Thailand - ELEPHANT 100 by UTMB Index
UTMB® IndexEstimated timeNight hoursCarbsFluidSodiumCut-off margin
50018h346.61,114 g13 L9,283 mg+9h26
55016h174.3977 g11.4 L8,142 mg+11h43
60015h073.1907 g10.6 L7,558 mg+12h53
65013h592839 g9.8 L6,992 mg+14h01
70012h450.8765 g8.9 L6,375 mg+15h15
75011h47—707 g8.2 L5,892 mg+16h13
80011h14—674 g7.9 L5,617 mg+16h46

Figures based on 60 g of carbohydrate, 700 mL of fluid and 500 mg of sodium per hour, "average" preparation and mild conditions (15–25 °C). Above 25 °C, count on roughly 900 mL/h and 700 mg/h. Carbohydrate intake is trained: 60 g/h is a floor, 90 g/h assumes a glucose-fructose blend and a gut used to it.

Measured on the 2025 edition: the field checkpoint by checkpoint

1,098 starters, 9.6% DNF rate, 10 timed checkpoints.

Duration of each segment on edition 2025: median and middle half of field
SegmentkmMedianMiddle halfMeasuredMedian passageStill ranked
Wat Nhong Bua Noi → A18 Wat Ban Iak9.11 h 131 h 05 – 1 h 201,0971 h 121,097
A18 Wat Ban Iak → A9 Wat Phraphutthabat Si Roi20.31 h 581 h 43 – 2 h 121,0943 h 091,095
A9 Wat Phraphutthabat Si Roi → A10 Mae Ka Piang Village28.21 h 321 h 18 – 1 h 491,0854 h 421,092
A10 Mae Ka Piang Village → A11 Ban Pang hai School37.72 h 001 h 43 – 2 h 161,0716 h 421,082
A11 Ban Pang hai School → A12 Chao Mae Luang Upatham 2 School43.51 h 361 h 19 – 1 h 521,0608 h 151,067
A12 Chao Mae Luang Upatham 2 School → A13 Maesa Elephant Camp57.32 h 462 h 19 – 3 h 121,05511 h 031,057
A13 Maesa Elephant Camp → A14 Chao Pho Luang Upatham 7 School66.53 h 012 h 23 – 3 h 351,02814 h 131,030
A14 Chao Pho Luang Upatham 7 School → W4 Wat Doi Pui76.32 h 532 h 20 – 3 h 211,01017 h 081,011
W4 Wat Doi Pui → A15 Khun Chang Khian Highland Research Station81.81 h 191 h 04 – 1 h 321,00318 h 381,004
A15 Khun Chang Khian Highland Research Station → Chiang Mai PAO Park95.83 h 092 h 43 – 3 h 3499322 h 08993

“Median passage” is elapsed time from the start, not a clock time: the clock time depends on the edition.

Where runners drop out. A13 Maesa Elephant Camp (27) · A14 Chao Pho Luang Upatham 7 School (19) · A11 Ban Pang hai School (15) out of 105 total DNFs.

RAVIT record from the official timing of the 2025 edition, data from September 17, 2026.

SourceLiveTrail
See segment-by-segment analysis of Chiang Mai Thailand - ELEPHANT 100

Other trails worth preparing for in France

Chiang Mai Thailand - ELEPHANT 100 over the years

Chiang Mai Thailand - ELEPHANT 100 2026

Sources and method

  • Time projection — times by UTMB Index are taken from the actual splits of runners in each level band on previous editions of this race, aid station stops included. No formula is used as long as these results exist.
  • Trail nutrition — hourly targets for carbohydrate, fluid and sodium follow the commonly accepted ultra-endurance guidance. La Clinique du Coureur — Fuelling in trail running
  • Course, aid stations and cut-offs — taken from the event's official rules, which prevail in case of any discrepancy. Official site — Chiang Mai Thailand - ELEPHANT 100

Weather for Chiang Mai Thailand - ELEPHANT 100

The weather for Chiang Mai Thailand - ELEPHANT 100 will appear here as soon as the forecast models reach that date, around five days before the start: feels-like temperature, rain, snow, wind and storms, section by section and at your passage time.

Detailed weather for Chiang Mai Thailand - ELEPHANT 100, hour by hour on the course

Frequently asked questions

How many checkpoints?

Chiang Mai Thailand - ELEPHANT 100 has 10 checkpoints: 10 checkpoints with undocumented contents. Details are in the two tables above.

What distance and elevation gain?

Chiang Mai Thailand - ELEPHANT 100 is 96 km long with 5118 m of elevation gain.

How long to finish?

With a UTMB Index of 600 (average runner), the estimated time is around 15h07 for Chiang Mai Thailand - ELEPHANT 100.

What's the weather forecast?

The weather for Chiang Mai Thailand - ELEPHANT 100 will be published on this page around five days before the start, once the forecast models reach the race date. It will be detailed section by section: feels-like temperature, rain, snow, wind and storms.

Want to stack the odds in your favor for Chiang Mai Thailand - ELEPHANT 100?

In 2 minutes, RAVIT generates your complete plan: segment-by-segment time, carbs, water and sodium at every aid station, printable roadbook.

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