Zürich, Switzerland · Saturday, April 3, 2027

Fixed Distance 100K

Lake Zuri 100 Endurance Run

199 days away

106 km Distance

3,200 m Climbing

10.0 Grit · Elite / extreme

47.3667° N, 8.5500° E© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 30 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.

Time limit 18 hours 10:11 min/km average. Generous. Walkable throughout for most of the field. About average for a 100K. Measured against 208 races of the same distance. Cut-off calculator →

Field size ~156 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2026 edition (106km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, April

Daytime high 14°C

Night low 4°C

Rainfall Showers likely

Daylight 12 h 54 m of light

Regional 2001-2020 average for April — NASA POWER, grid elevation 567 m. Not a forecast.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a rolling 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

🥤 nutrition

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

By UltraHub Expert

Gear for this race

Chosen for 106 km of trail with 3,200 m of ascent.

Trail Running Shoes30 m of climb per kilometre — grip and rock protection before cushioning.
Race NutritionPast 106 km the palate quits before the legs do — carry more than one flavour.
Hydration VestsPole attachment and chest-strap stability on steep ground.
Trekking Poles3,200 m of ascent to walk up.
HeadlampsA 18 h limit puts you out there after dark.

Asics