Ultra Running Hub Zagreb, Croatia · Sunday, May 23, 2027
Fixed Distance 50 mi
Medvednica trail - Kameni svati 60K
249 days away
62 km Distance
2,682 m Climbing
7.1 Grit · Hardcore
What the course asks
Climbing rate 43 m / km
Mountain. Significant climbing. Steep sections will require power hiking.
Time limit 12 hours
11:37 min/km average. Generous. Walkable throughout for most of the field. About average for a 50 mi. Measured against 455 races of the same distance. Cut-off calculator →
Typical conditions, May
Daytime high 19°C
Night low 10°C
Rainfall Showers likely
Daylight 15 h 06 m of light
Regional 2001-2020 average for May — NASA POWER, grid elevation 485 m. Not a forecast.
The Aid Station
Course-specific beta from the community
This is a mountain course. Poles are highly recommended for the sustained climbs.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 62 km of trail with 2,682 m of ascent.
- Trail Running Shoes43 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition62 km of self-supported fuelling between aid stations.
- Hydration VestsPole attachment and chest-strap stability on steep ground.
- Trekking Poles2,682 m of ascent to walk up.
- HeadlampsA 12 h limit puts you out there after dark.
Similar races
Other 50 mi trail ultras, closest in distance first.