Tuyen Lam 10K is the 11.3km trail race at Vietnam Highlands Trail by UTMB 2027 (Clay Tunnel, Vietnam). The race starts on January 9, 2027 at 09:00 AM. It starts and finishes in Clay Tunnel. The time limit is 5 h.
Short race: go all out.
The course climbs 486m+. With 43m/km of climbing, this is a rolling, mostly runnable course. By gradient, 41% of the distance is uphill, 25% downhill and 34% flat. The longest climb runs 6.9km at an average 6.2% grade (430m of vertical). The longest descent runs 3.8km at an average 8.7% grade (335m of vertical). The steepest climb averages 25.7% over 0.7km. The steepest descent drops at 26.5% over 0.7km. Flat-equivalent effort: 15.1 FlatKM.
Poles bring little benefit here: only about 0.7km of pole-friendly terrain.
There is too little runnable descent to damage the quads: plan the race around climbing and fuelling.
On race day, start temperatures have historically ranged from 17°C to 22°C, with around 19°C at the highest point; the chance of precipitation is about 8%.
This page has a pacing and nutrition planner, a gradient matrix, an interactive elevation profile and historical weather for Tuyen Lam 10K.
Other distances of Vietnam Highlands Trail by UTMB 2027
Official websitevietnamhighlands.utmb.world