Bentong, Pahang, Malaysia · Sunday, April 18, 2027
Fixed Distance 50K
Janda Baik Ultra 50 Km
214 days away
50 km Distance
2,000 m Climbing
5.5 Grit · Challenging
What the course asks
Climbing rate 40 m / km
Mountain. Significant climbing. Steep sections will require power hiking.
Time limit 14 hours
16:48 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 86% of 50K races. Measured against 1007 races of the same distance. Cut-off calculator →
Field size ~457 Large. Rarely out of sight of another runner.
DUV results for the 2026 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, May
Daytime high 29°C
Night low 22°C
Rainfall Showers likely
Daylight 12 h 13 m of light
Regional 2001-2020 average for May — NASA POWER, grid elevation 363 m. Not a forecast.
The Aid Station
Course-specific beta from the community
This is a mountain course. Expect fast, runnable sections where rhythm is key.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 50 km of trail with 2,000 m of ascent.
- Trail Running Shoes40 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition50 km of self-supported fuelling between aid stations.
- Hydration VestsPole attachment and chest-strap stability on steep ground.
- Trekking Poles2,000 m of ascent to walk up.
- HeadlampsA 14 h limit puts you out there after dark.
Course Notes
Janda Baik is a small Malay village in Bentong, in the state of Pahang, Malaysia. This picturesque village is located about 30km away from Kuala Lumpur.
Similar races
Other 50K trail ultras, closest in distance first.