Bentong, Pahang, Malaysia · Sunday, April 18, 2027

Fixed Distance 50K

Janda Baik Ultra 50 Km

200 days away

50 km Distance

2,000 m Climbing

5.5 Grit · Challenging

4.2100° N, 101.9800° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

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 85% of 50K races. Measured against 1034 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.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	50km	457	Mohamad Amierul Amin Shamsul Kamal · 06:13:34	Qian-Ying (Michelle) Ng · 08:30:26
2025	50km	162	Khairulamirin Kamarudin · 07:31:57	Wan Najiha Wan Mat Din · 10:38:12
2024	50km	203	Mohamad Amierul Amin Shamsul Kamal · 05:58:50	Sue-Phin (Esther) Yeam · 07:39:21
2023	50km	167	Amir Zaki Amran · 06:00:05	Hanayo Brighton · 07:45:47
2022	50km	249	Hearfizul Eqram Mat Noh · 05:29:24	Mui-Yan (Karen) Chin · 06:41:29
2019	52km	231	Nicholas Odlin · 05:29:29	Kam-Miew Foo · 05:51:40
2018	50km	336	Kian-Ti (Eric) Koh · 05:15:33	Yan-Leng Lee · 06:23:38
2017	53km	385	Wilnar Iglesia · 05:09:01	Mei-Ling (Jasmine) Goh · 05:28:47

The field grew 182% between 2025 (162) and 2026 (457). 21% of the 2026 field were women.

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.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a mountain course. Expect fast, runnable sections where rhythm is key.

By UltraHub Expert

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 50 km of trail with 2,000 m of ascent.

Trail Running Shoes 40 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition 50 km of self-supported fuelling between aid stations.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 2,000 m of ascent to walk up.
Headlamps A 14 h limit puts you out there after dark.

Salomon

Sense Ride 5

RunRepeat found the Salomon Sense Ride 5 to have immaculate lockdown and a smooth and stable ride, making it confident on moderate trails and steep downhills. I…

★★★★★ 4.5

Adidas

Terrex Agravic Speed Ultra

RunRepeat found the Adidas Terrex Agravic Speed Ultra to be perfect for midfoot and forefoot strikers, while iRunFar noted that the shoe feels incredibly effici…

★★★★★ 4.5

Tailwind