Adelsö, Stockholm, Sweden · Sunday, May 16, 2027
Fixed Distance Marathon
Adelsö Ultra
190 days away
43 km Distance
not publishedn/a Climbing
2.2 est Grit · Entry level
Calculated from 43 km alone — the organiser has not published an elevation profile. Read 2.2 as a floor, not a verdict.
Typical conditions, May
Daytime high 15°C
Night low 6°C
Rainfall Mostly dry
Daylight 16 h 59 m of light
Regional 2001-2025 average for May — NASA POWER, grid elevation 27 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 43 km of trail.
- Trail Running Shoes43 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition43 km of self-supported fuelling between aid stations.
- Hydration VestsFlask capacity for 43 km, without the bounce.
- GPS WatchesBattery life first — a 43 km day outlasts most full-GPS modes.
Similar races
Other Marathon trail ultras, closest in distance first.