Saksvik, Norway · Saturday, October 10, 2026

Fixed Distance 50K

Krukes Ultra-Trail Challenge 8 laps

10 days to go
54 km Distance
2,949 m Climbing
7.1 Grit · Hardcore
63.4346° N, 10.6040° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 55 m / km Mountain. Significant climbing. Steep sections will require power hiking.
Time limit 10 hours 11:07 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, October

Daytime high 7°C
Night low 2°C
Rainfall Showers likely
Daylight 10 h 33 m of light

Regional 2001-2020 average for October — NASA POWER, grid elevation 263 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 2,949 m of ascent.

All gear guides →

Overview

The Krukes Ultra-Trail Challenge 8 laps, a 54 km trail race in Saksvik, Norway, features 2949 meters of elevation gain, making it a demanding event with 54.6 meters of climb per kilometer. Runners complete 8 loops of a 6.7 km out-and-back course, with each loop gaining 368.7 meters.

With a 10-hour time limit, the cutoff pace of 11.1 minutes per kilometer is tighter than 58% of 1011 comparable 50k races. This leaves less margin for error than most races of this distance.

Similar races

Other 50K trail ultras, closest in distance first.