CM6 Run - CM5 100 Km

Race completed

100 km Distance

6,089 m Climbing

10.0 Grit · Elite / extreme

18.7904° N, 98.9847° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 61 m / km Mountain. Significant climbing. Steep sections will require power hiking.

Time limit 28.5 hours 17:06 min/km average. Generous. Walkable throughout for most of the field. Among the most forgiving 100K cut-offs we track. Measured against 214 races of the same distance. Cut-off calculator →

Field size ~152 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2025 edition (100km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, August

Daytime high 27°C

Night low 20°C

Rainfall Wet — expect rain

Daylight 12 h 53 m of light

Regional 2001-2020 average for August — NASA POWER, grid elevation 759 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	100km	152	Patthanapichai Trinwatthaworn · 14:21:25	Nisachon Morgan · 16:05:58
2024	100km	162	Kamol Koedsukon · 14:52:11	Darika Suwanmongkol · 17:28:39
2023	100km	171	Ryan Bonfield · 16:19:28	Nisachon Morgan · 16:53:11
2022	106.5km	43	Pornchai Sornmanee · 20:03:01	Jatupornpunoot Putthajunya · 22:05:16
2021	106.5km	109	Aekkaphong Tejasa · 19:19:02	Marie Pinnell · 22:22:54
2020	105km	363	Jantaraboon Kiangchaipaiphana · 13:42:01	Anisa Suebwongsan · 18:08:42
2019	105km	141	Atphon Inthachak · 14:22:43	Nathalie Cochet · 20:27:31
2018	92km	100	Phithak Dokphrom · 14:48:05	Emily Nickell · 15:16:33

The field shrank 6% between 2024 (162) and 2025 (152). 23% of the 2025 field were women.

DUV results for the 2025 edition (100km) — 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. Poles are highly recommended for the sustained climbs.

By UltraHub Expert

👟 gear

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

By UltraHub Expert

🥤 nutrition

For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.

By UltraHub Expert

Gear for this race

Chosen for 100 km of trail with 6,089 m of ascent.

Trail Running Shoes 61 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition Past 100 km the palate quits before the legs do — carry more than one flavour.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 6,089 m of ascent to walk up.
Headlamps A 28.5 h limit puts you out there after dark.

Asics

Trabuco Max 3

★★★★★ 4.6

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

Maurten