Ultra Running Hub Castellaneta, Italy · Sunday, October 25, 2026
Fixed Distance 50K
Puglia by UTMB - Castellaneta Underground Trail
Race completed
50 km Distance
1,000 m Climbing
4.0 Grit · Challenging
What the course asks
Climbing rate 20 m / km
Rolling. Moderate undulations. Requires consistent effort across varying grades.
Time limit 8 hours
9:36 min/km average. Comfortable. Room to walk the climbs and stop at aid. Tighter than 88% of 50K races. Measured against 1087 races of the same distance. Cut-off calculator →
Field size ~653 Very large. Congested start, busy aid stations.
DUV results for the 2025 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, October
Daytime high 22°C
Night low 15°C
Rainfall Mostly dry
Daylight 10 h 46 m of light
Regional 2001-2020 average for October — NASA POWER, grid elevation 167 m. Not a forecast.
The Aid Station
Course-specific beta from the community
This is a rolling course. Expect fast, runnable sections where rhythm is key.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 50 km of trail with 1,000 m of ascent.
- Trail Running Shoes20 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition50 km of self-supported fuelling between aid stations.
- Hydration VestsPole attachment and chest-strap stability on steep ground.
- Trekking Poles1,000 m of ascent to walk up.
- GPS WatchesBattery life first — a 50 km day outlasts most full-GPS modes.
Similar races
Other 50K trail ultras, closest in distance first.