Trail ultramarathon · Thailand
Expected 30 Apr – 2 May 2027 · Betong, Yala
MIST 20K-2026: Expected Sun, 2 May 2027
A tropical rainforest UTMB World Series event in Betong, at Thailand's southern tip on the Malaysian border.
2027 date is estimated
The organizer has not announced the next date yet. This estimate keeps planning useful without presenting it as official.
The mapped GPX is carried forward from 2026 until the new course is verified. Use it for course research, then re-check before race day.
Date sourceEntry · MIST 20K-2026 · 2027 edition
The entry facts on file are for the 2026 edition (open entry), checked 27 Sep 2026. Dates, method and places for 2027 can differ.
From the organizer's page, checked 27 Sep 2026. TrailSplits does not know whether you have a place; the organizer is the final word.
Amazean Jungle Thailand by UTMB is a trail ultramarathon expected around 30 Apr – 2 May 2027 in Betong, Yala, Thailand. TrailSplits currently includes 5 mapped courses for this event, with course maps, elevation profiles, weather context, and pacing tools for the uploaded GPX data.
How to get a place: Direct registration, no draw: for the 2026 edition sales opened on 1 November 2025 (48 hours for UTMB Index holders only), then to everyone from 3 November 2025 until sold out. The page still shows those 2026 rules; 2027 dates are not published yet. Organizer's page, checked Sunday 27 September 2026.
TrailSplits is a free, independent route & pacing companion — not the official race. Visit the official Amazean Jungle Thailand by UTMB site →
The organizer lists MIST 20K-2026 at 26 km and +900 m for 2026; the course file mapped here (the organizer's 2026 file) measures 25.3 km. Small differences come from how each figure was measured; plans and pacing here use the mapped file. Organizer's race list, checked Wednesday 30 September 2026.
Finishing MIST 20K-2026 earns 1 Running Stone (20K category) toward the UTMB World Series Finals lottery. How Running Stones work.
Racing more than once next year? Add MIST 20K-2026 to a season and see whether your races work together.
Inspect the official course track on a topographic map, through its elevation profile, or in 3D.
› running direction two lines: out and back on the same path kilometres
Selected distance
Vert-focused blueprint with route-finder links into the Planner.
Prepare and return
Keep this course, its training plan, calendar and future course updates together in your private My Races page. Saving does not publish your workouts, pace or progress.
Race route lab
Open the official course in Planner, then choose a nearby start point to build a shorter loop that matches the course demand. This course averages about 34.6 m climb per km.
Expected Sun, 2 May 2027
Send to your watch
Get the official course as a clean GPX or a Garmin TCX course, with step-by-step instructions to load it onto a Garmin, COROS, Suunto, Wahoo, or Komoot — free, no account needed.
Compare your training
See how faithfully your rehearsal route matches the real race. The official course for MIST 20K-2026 loads as Route A — upload your training route to compare distance, elevation gain, estimated time, and how much of the course you actually cover.
Course analysis
See the MIST 20K-2026 course broken into its major climbs and descents in order — length, gain, average grade, and steepness — so you know where the crux is and how to pace and fuel it.
Race-week reminders
A free browser notification in the final week — the course crux, the weather window, and loading the GPX onto your watch. No app, no email, no account.
Amazean Jungle Thailand by UTMB 2027 races are expected to run 30 Apr – 2 May 2027 in Betong, Yala; the MIST 20K-2026 is expected on Sun, 2 May 2027. Check the official race site for registration deadlines and final details.
5 distances (17–116 km). The longest course is 116 km with about 5,570 m of vertical gain — a demanding mountain course.
The BETONG 100M-2026 course has a 32-hour cut-off, an average of 16.6 min/km to finish in time. TrailSplits' cut-off pacer shows the buffer at each aid station.
Yes. TrailSplits gives you the course map, an interactive elevation profile, a 3D flyover and a downloadable GPX for every mapped distance — free and with no sign-up.
Each distance has a free, course-specific 16-week training plan built around its distance, vertical gain and cut-offs, plus a pace and cut-off calculator.
No. TrailSplits is a free, independent route and pacing companion. For registration and official rules, visit https://amazean.utmb.world/.
Load the GPX directly into TrailSplits for surface analysis and terrain intel.