Mjølner Trail & March - Run to Valhalla

25 days to go

248 km Distance

not publishedn/a Climbing

10.0 est Grit · Elite / extreme

Calculated from 248 km alone — the organiser has not published an elevation profile. Read 10.0 as a floor, not a verdict.

55.1009° N, 14.7066° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 48 hours 11:37 min/km average. Tight. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. Tighter than 83% of 200 mi + races. Measured against 18 races of the same distance. Cut-off calculator →

Field size ~1 Tiny. You will run alone for most of it.

DUV results for the 2025 edition (248km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, November

Daytime high 8°C

Night low 7°C

Rainfall Mostly dry

Daylight 8 h 39 m of light

Regional 2001-2020 average for November — NASA POWER, grid elevation 5 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	248km	1	Thure Tornbo Baastrup · 35:46:29	—

0% of the 2025 field were women.

DUV results for the 2025 edition (248km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Course notes

gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.
nutrition For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.

Gear for this race

Chosen for 248 km of trail.

Trail Running Shoes 248 km of trail — cushioning that is still there in the last quarter.
Race Nutrition Past 248 km the palate quits before the legs do — carry more than one flavour.
Hydration Vests Flask capacity for 248 km, without the bounce.
Headlamps A 48 h limit puts you out there after dark.
Accessories Chafe and blisters end more 248 km races than fitness does.

Asics

Trabuco Max 2

★★★★★ 4.7

Asics

Trabuco Max 3

★★★★★ 4.6

Spring Energy

Awesome Sauce

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

$4 ★★★★★ 4.6

Salomon

ADV Skin 12

Industry-standard 12L race vest with front flask pockets and minimal bounce.

$180 ★★★★★ 4.8

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 Mjølner Trail & March - Run to Valhalla is a 248km trail race that will take place in Rønne, Denmark, on November 12, 2026. This race is a two-loop course that circles the island, first clockwise and then counter-clockwise.

With a 48-hour time limit, the cut-off is tighter than 83% of 200mi+ cut-offs, allowing for a pace of 11.6 minutes per kilometer. The field is smaller than 86% of 200mi+ fields, based on 28 peer races, making it a smaller event in this distance category. The entry fee ranges from 675 to 999 DKK.

Similar races

Other 200 mi + trail ultras, closest in distance first.