Mölnlycke, Sweden · Saturday, April 25, 2026

Fixed Distance 100K

Finnsjön 100 - 100km

Race completed
100 km Distance
2,454 m Climbing
8.7 Grit · Elite / extreme
Register with organiserRegister ↗ Add to calendar
57.6589° N, 12.1179° E© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 25 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.
Field size ~4 Tiny. You will run alone for most of it.

DUV results for the 2026 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, April

Daytime high 9°C
Night low 4°C
Rainfall Mostly dry
Daylight 15 h 04 m of light

Regional 2001-2020 average for April — NASA POWER, grid elevation 39 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 road 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 road with 2,454 m of ascent.

  • Trail Running Shoes25 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 Poles2,454 m of ascent to walk up.
  • Headlamps100 km almost certainly means running into the night.

Salomon

Aero Glide 4 Grvl

$159.95 ★★★★★ 4.5

Asics

Trabuco Max 2

★★★★★ 4.7

Spring Energy

Awesome Sauce

Real food gel with 180 calories. Rice-based with natural flavors.

$4 ★★★★★ 4.6

Naked

Running Band

Minimalist waist-mounted running band. Ultra-light alternative to a vest for shorter races.

$60 ★★★★☆ 4.3

LEKI

Ultratrail FX.One

Ultra-light carbon folding poles (135g each) designed for mountain ultra racing.

$200 ★★★★★ 4.6

Nitecore

UT32

Dual-beam trail running headlamp (1100 lumens) with spot and flood beams.

$100 ★★★★★ 4.5
All gear guides →

Course Notes

Man springer runt Finnsjön i Mölnlycke, med start och mål vid Finnsjögården. Varje varv är 5.6km och starten går var 50 minut, vi byter håll varje varv.

Similar races

Other 100K road ultras, closest in distance first.