Iron Legs 100km Mountain Race

Race completed

100 km Distance

4,800 m Climbing

10.0 Grit · Elite / extreme

50.8960° N, 114.7058° W© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 48 m / km Mountain. Significant climbing. Steep sections will require power hiking.

Field size ~24 Small. Long stretches with nobody in sight.

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 19°C

Night low 5°C

Rainfall Mostly dry

Daylight 15 h 01 m of light

Regional 2001-2020 average for August — NASA POWER, grid elevation 1770 m. Not a forecast.

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 4,800 m of ascent.

Trail Running Shoes48 m of climb per kilometre — grip and rock protection before cushioning.
Race NutritionPast 100 km the palate quits before the legs do — carry more than one flavour.
Hydration VestsPole attachment and chest-strap stability on steep ground.
Trekking Poles4,800 m of ascent to walk up.
Headlamps100 km almost certainly means running into the night.

Salomon