Bern, Switzerland · Saturday, December 19, 2026
Fixed Distance 50K
Solstice Ultra
107 days away
50 km Distance
not publishedn/a Climbing
2.5 est Grit · Entry level
Calculated from 50 km alone — the organiser has not published an elevation profile. Read 2.5 as a floor, not a verdict.
What the course asks
Time limit 8 hours
9:36 min/km average. Comfortable. Room to walk the climbs and stop at aid. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. Tighter than 89% of 50K races. Measured against 982 races of the same distance. Cut-off calculator →
Typical conditions, December
Daytime high 3°C
Night low -3°C
Rainfall Mostly dry
Daylight 8 h 31 m of light
Regional 2001-2020 average for December — NASA POWER, grid elevation 752 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 50 km of trail.
- Trail Running Shoes 50 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition 50 km of self-supported fuelling between aid stations.
- Hydration Vests Flask capacity for 50 km, without the bounce.
- GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.
Course Notes
Sunrise till Sunset on a 400m Track. 50 Runners with supporters.
Similar races
Other 50K trail ultras, closest in distance first.