Ultra Running Hub Borgarfjörður, Iceland · Saturday, July 4, 2026
Fixed Distance 50K
Dyrfjallahlaup
Race completed
50 km Distance
2,520 m Climbing
6.3 Grit · Hardcore
What the course asks
Climbing rate 50 m / km
Mountain. Significant climbing. Steep sections will require power hiking.
Time limit 9 hours
10:48 min/km average. Generous. Walkable throughout for most of the field. Tighter than 71% of 50K races. Measured against 1007 races of the same distance. Cut-off calculator →
Field size ~13 Tiny. You will run alone for most of it.
DUV results for the 2026 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, July
Daylight 21 h 26 m of light
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 50 km of trail with 2,520 m of ascent.
- Trail Running Shoes50 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 Poles2,520 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.