Karlow, Poland · Saturday, June 27, 2026

Fixed Distance 50K

Supermaraton Gór Stołowych

Race completed

54 km Distance

2,400 m Climbing

6.3 Grit · Hardcore

50.4756° N, 16.3388° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 44 m / km Mountain. Significant climbing. Steep sections will require power hiking.

Time limit 11 hours 12:13 min/km average. Generous. Walkable throughout for most of the field. About average for a 50K. Measured against 1034 races of the same distance. Cut-off calculator →

Typical conditions, June

Daytime high 21°C

Night low 11°C

Rainfall Mostly dry

Daylight 16 h 26 m of light

Regional 2001-2020 average for June — NASA POWER, grid elevation 487 m. Not a forecast.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a mountain course. Poles are highly recommended for the sustained climbs.

By UltraHub Expert

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 54 km of trail with 2,400 m of ascent.

Trail Running Shoes 44 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition 54 km of self-supported fuelling between aid stations.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 2,400 m of ascent to walk up.
GPS Watches Battery life first — a 54 km day outlasts most full-GPS modes.

Adidas

Terrex Speed Ultra

RunRepeat found the Adidas Terrex Speed Ultra to have a grippy outsole and great lockdown, while iRunFar noted that the shoe works on a variety of trail conditi…

★★★★★ 4.5

Adidas

Terrex Agravic Speed Ultra

RunRepeat found the Adidas Terrex Agravic Speed Ultra to be perfect for midfoot and forefoot strikers, while iRunFar noted that the shoe feels incredibly effici…

★★★★★ 4.5

Tailwind

Endurance Fuel

All-in-one calorie and electrolyte drink mix. 200 calories per serving.

$25 ★★★★★ 4.8

Nathan

VaporKrar 12L

12L race vest co-designed with ultra champion Rob Krar, with insulated bladder pocket.

$170 ★★★★★ 4.6

Komperdell

Carbon Ultralight Vario 4

4-section folding carbon poles with compact pack size for mandatory gear.

$160 ★★★★★ 4.5

Garmin

Enduro 3

Ultra-endurance GPS watch with solar charging and 300+ hour battery in GPS mode.

$900 ★★★★★ 4.8

All gear guides →

Overview

The Supermaraton Gór Stołowych is a 54-kilometer trail race in Karlow, Poland, with 2400 meters of elevation gain, making for 44.4 meters of climb per kilometer. This places it among more challenging 50k races.

Runners have 11 hours to complete the course, equivalent to a 12.2 minutes per kilometer pace. This cutoff is tighter than 42% of 1013 comparable 50k races, requiring a steady effort throughout the event. The race is scheduled for June 27, 2026, with an entry fee of 245 pln.

Similar races

Other 50K trail ultras, closest in distance first.