Ringkøbing Fjord Summer Edition 100km

Race completed

100 km Distance

200 m Climbing

5.3 Grit · Challenging

56.0842° N, 8.2504° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 2 m / km Fast & Flat. This course is relatively flat and fast. Ideal for PB attempts.

Time limit 21 hours 12:36 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 79% of 100K races. Measured against 203 races of the same distance. Cut-off calculator →

Field size ~102 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 19°C

Night low 15°C

Rainfall Showers likely

Daylight 14 h 41 m of light

Regional 2001-2020 average for August — NASA POWER, grid elevation 8 m. Not a forecast.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a fast & flat 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 100 km of trail with 200 m of ascent.

Trail Running Shoes 100 km of trail — cushioning that is still there in the last quarter.
Race Nutrition Past 100 km the palate quits before the legs do — carry more than one flavour.
Hydration Vests Flask capacity for 100 km, without the bounce.
Headlamps A 21 h limit puts you out there after dark.
Accessories Chafe and blisters end more 100 km races than fitness does.