Aabybro, Denmark · Saturday, August 22, 2026

Fixed Distance 100K

100 km Åbybro

Race completed
100 km Distance
20 m Climbing
5.0 Grit · Challenging
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57.1606° N, 9.7340° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 0 m / km Fast & Flat. This course is relatively flat and fast. Ideal for PB attempts.
Field size ~6 Tiny. You will run alone for most of it.

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 20°C
Night low 14°C
Rainfall Mostly dry
Daylight 14 h 48 m of light

Regional 2001-2020 average for August — NASA POWER, grid elevation 15 m. Not a forecast.

Results history

Year Race Finishers Men's winner Women's winner
2025 100km 6 Brian Midtgaard Jensen · 12:02:19 Berit Jessen · 17:46:53

17% of the 2025 field were women.

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.

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 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 20 m of ascent.

  • Trail Running Shoes 100 km of road — 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 100 km almost certainly means running into the night.
  • Accessories Chafe and blisters end more 100 km races than fitness does.

Salomon

Aero Glide 4 Grvl

$159.95 ★★★★★ 4.5

La Sportiva

Prodigio

RunRepeat found the La Sportiva Prodigio to have a plush midsole, ideal for long distances, and a comfortable ride with versatility. However, they noted poor du…

$165 ★★★★☆ 4.1

Maurten

Gel 100

Hydrogel technology for 25g carbs per gel with minimal GI distress.

$3.5 ★★★★★ 4.7

Naked

Running Band

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

$60 ★★★★☆ 4.3

Petzl

NAO RL

1500-lumen reactive lighting headlamp with 15-hour runtime. Automatic brightness adjustment.

$150 ★★★★★ 4.7

Squirrel's Nut Butter

Anti-Chafe Balm

All-natural anti-chafe balm. Essential for 100+ mile races.

$12 ★★★★★ 4.8
All gear guides →

Overview

The 100 km Åbybro is a road race on a loop of 1.4 kilometers, offering a flat course with 20 meters of elevation gain over the full 100 kilometers. This translates to 0.2 meters of climb per kilometer, making it a very gentle course for a 100k distance. The race takes place in Aabybro, Denmark, in August.

With 6 finishers in its single edition in 2025, this race has had a smaller field than 9% of its 313 peer 100k races. The 2026 edition will be only the second running of this event.

Similar races

Other 100K road ultras, closest in distance first.