Ultra Running Hub Mariefred, Sweden · Friday, June 26, 2026
Timed 48 hours +
Maratonmarschen (previously Stockholm Fotrally)
Race completed
not publishedn/a Distance
not publishedn/a Climbing
not publishedn/a Grit
We hold no course length for this race — a timed or backyard event is measured by the clock, not the kilometre — so there is no Grit score to give you.
What the course asks
Field size ~55 Small. Long stretches with nobody in sight.
DUV results for the 2025 edition (57h) — ranked runners only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, June
Daytime high 20°C
Night low 11°C
Rainfall Mostly dry
Daylight 18 h 35 m of light
Regional 2001-2020 average for June — NASA POWER, grid elevation 31 m. Not a forecast.
The Aid Station
Course-specific beta from the community
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for this trail race.
- Trail Running ShoesCushioning on trail that is still there in the last quarter.
- Race NutritionSelf-supported fuelling between aid stations.
- Hydration VestsFlask capacity without the bounce.
- HeadlampsA 100 h limit puts you out there after dark.
- GPS WatchesBattery life first — an ultra outlasts most full-GPS modes.
Course Notes
The race have four loops that are six hours long each. The loops can be found at the event home page.
Similar races
Other trail ultras of the same format.