Puerto Natales, Patagonia, Chile · Saturday, February 6, 2027

Ultra Fiord

91 days away

55 km Distance

4,000 m Climbing

8.8 Grit · Elite / extreme

51.7236° S, 72.4978° W© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 73 m / km Vertical. Extreme verticality. This is a technical mountain course with sustained steep grades.

Time limit 14 hours 15:16 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 80% of 50K races. Measured against 1087 races of the same distance. Cut-off calculator →

Field size ~33 Small. Long stretches with nobody in sight.

DUV results for the 2024 edition (55km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, February

Daytime high 12°C

Night low 4°C

Rainfall Showers likely

Daylight 15 h 01 m of light

Regional 2001-2020 average for February — NASA POWER, grid elevation 400 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 mountain terrain, choose a shoe with aggressive lugs (5mm+) for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 55 km of mountain with 4,000 m of ascent.

Trail Running Shoes73 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition55 km of self-supported fuelling between aid stations.
Hydration VestsPole attachment and chest-strap stability on steep ground.
Trekking Poles4,000 m of ascent to walk up.
HeadlampsA 14 h limit puts you out there after dark.

inov-8