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Amazean Jungle Thailand BETONG 100M (Thailand) 2027

Fri, 30 Apr 2027 · Thailand · 116 km · D+ 5,570 m · 32h time limit

Also known as: Amazean by UTMB

A UTMB World Series race in Betong, Yala Province, Thailand's southernmost district near the Malaysian border. It starts in the evening at the Betong Mongkollit Tunnel and passes the Piyamit Tunnel, a former communist stronghold, and sea-of-mist viewpoints at Jaroh Ganga and Kapae Hulu before finishing at the town clock tower.

The course

The course tops out at 1,161 m (low point 272 m). There are 4 big climbs: 572 m around 0–18 km; 681 m around 25–36 km; 587 m around 39–46 km; 508 m around 60–66 km. The longest descent drops 698 m around 66 km at about 14% on average. About 40% of the distance is gentle (under 5% grade). In 2026, 57% of starters finished — a tough one. The median finish was about 29 h, through 2 nights.

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Overview

Date
Fri, 30 Apr 2027
Start
16:00
Location
Thailand
Distance
116 km
Elevation gain
5,570 m
Time limit
32h
ITRA
100K
Official website
amazean.utmb.world/races/Betong100M-2026

Elevation profile

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Distance (km) across, elevation (m) up. The dotted lines and numbers are the aid stations in the table below. High point 1,161 m · low point 272 m

Aid stations and cutoffs

#DistanceAid stationSegmentCutoff
111.2 kmA1 Kapae Hulu School11.2 km—
224.8 kmA2 Suan Palm Resort13.6 kmDay 1 22:006h
339.1 kmA3 Ai Yoe So Village14.3 km—
449.8 kmA4 Ten-Thousand Flower Garden10.7 kmDay 2 05:0013h
561 kmA5 Piyamit Tunnel11.2 kmDay 2 09:0017h
671.1 kmA6 Fish Pond10.1 km—
779.5 kmA7 KM.15 Village8.4 km—
889.8 kmA8 Betong Hot Spring10.3 kmDay 2 18:0026h
9105.9 kmA9 Thumthong Temple16.1 kmDay 2 22:0030h
F116 kmFinishBetong Clock Tower(FINISH)10.1 kmDay 3 00:0032h

The small figure under each cutoff is the time from the start. Day 1 is the day of the start.

2026 results

109 starters, 62 finishers (56.9% finish rate). Finish times of those who finished:

Fastest
16h 40m
Top 10%
21h 58m
Top 25%
24h 17m
Median
29h 19m
Top 75%
30h 38m
Top 90%
31h 26m
Last finisher
31h 54m

"Top 25%" means one in four finishers had crossed the line by this time.

Years with a different course or different cutoffs are not directly comparable.

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Race information as of 2026-10-11

Compiled from each race's official information. Details can change, so always check the race's official website for the latest. Spotted a mistake? Please tell us through the contact form.
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