Amazean Jungle Thailand BETONG 100M (Thailand) 2026
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 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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Predict in detail from my Strava trainingOverview
- Date
- Fri, 1 May 2026
- 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
Aid stations and cutoffs
| # | Distance | Aid station | Segment | Cutoff |
|---|---|---|---|---|
| 1 | 11.2 km | A1 Kapae Hulu School | 11.2 km | — |
| 2 | 24.8 km | A2 Suan Palm Resort | 13.6 km | Day 1 22:006h |
| 3 | 39.1 km | A3 Ai Yoe So Village | 14.3 km | — |
| 4 | 49.8 km | A4 Ten-Thousand Flower Garden | 10.7 km | Day 2 05:0013h |
| 5 | 61 km | A5 Piyamit Tunnel | 11.2 km | Day 2 09:0017h |
| 6 | 71.1 km | A6 Fish Pond | 10.1 km | — |
| 7 | 79.5 km | A7 KM.15 Village | 8.4 km | — |
| 8 | 89.8 km | A8 Betong Hot Spring | 10.3 km | Day 2 18:0026h |
| 9 | 105.9 km | A9 Thumthong Temple | 16.1 km | Day 2 22:0030h |
| F | 116 km | FinishBetong Clock Tower（FINISH） | 10.1 km | Day 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.
Other races
- Amazean Jungle Thailand BETONG 100M (Thailand) 2027Fri, 30 Apr 2027 · Thailand · 116 km
- Amazean Jungle Thailand TUNNEL 100K (Thailand) 2026Sat, 2 May 2026 · Thailand · 91 km
- Amazean Jungle Thailand TUNNEL 100K (Thailand) 2027Sat, 1 May 2027 · Thailand · 91 km
- Chiang Mai Thailand CHIANG DAO 160 (Thailand) 2026Fri, 4 Dec 2026 · Thailand · 173 km
- Chiang Mai Thailand ELEPHANT 100 (Thailand) 2026Fri, 4 Dec 2026 · Thailand · 100 km
- Amazean Jungle Thailand JUNGLE 50K (Thailand) 2026Sat, 2 May 2026 · Thailand · 55 km
From your training log, TRAIL STATUS estimates your finish time, aid-station splits and cutoff margins for this race.
Predict my raceCompiled 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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