Nakato, Manno, Kagawa Pref, Japan · Sunday, October 25, 2026

Fixed Distance 50 mi

Manno Mountain Madness 2026

52 days away

80 km Distance

5,600 m Climbing

10.0 Grit · Elite / extreme

34.1255° N, 133.9501° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 70 m / km Vertical. Extreme verticality. This is a technical mountain course with sustained steep grades.

Time limit 17 hours 12:45 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 71% of 50 mi races. Measured against 445 races of the same distance. Cut-off calculator →

Field size ~44 Small. Long stretches with nobody in sight.

DUV results for the 2025 edition (80km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, October

Daytime high 20°C

Night low 13°C

Rainfall Showers likely

Daylight 11 h 03 m of light

Regional 2001-2020 average for October — NASA POWER, grid elevation 360 m. Not a forecast.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a vertical 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

Gear for this race

Chosen for 80 km of trail with 5,600 m of ascent.

Trail Running Shoes 70 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition 80 km of self-supported fuelling between aid stations.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 5,600 m of ascent to walk up.
Headlamps A 17 h limit puts you out there after dark.

Salomon

Ultra Glide 4

$159.95 ★★★★★ 4.6

Brooks

Catamount 3

★★★★★ 4.5

Maurten

Gel 100

Hydrogel technology for 25g carbs per gel with minimal GI distress.

$3.5 ★★★★★ 4.7

Nathan

VaporKrar 12L

12L race vest co-designed with ultra champion Rob Krar, with insulated bladder pocket.

$170 ★★★★★ 4.6

Black Diamond

Distance FLZ

Lightweight folding trekking poles with FlickLock Z adjustment. 340g per pole.

$170 ★★★★★ 4.7

Petzl

NAO RL

1500-lumen reactive lighting headlamp with 15-hour runtime. Automatic brightness adjustment.

$150 ★★★★★ 4.7

All gear guides →

Course Notes

2 loops of 40km that includes the most delicious parts of the Asan Mountains located on the border of Kagawa and Tokushima. If there are hard climbs, there are many parts where you can run well.

Similar races

Other 50 mi trail ultras, closest in distance first.