Rostrevor, Co Down, United Kingdom · Saturday, June 6, 2026

Fixed Distance 50 mi

Mourne Way Ultra Marathon 84km

Race completed

84 km Distance

2,080 m Climbing

7.3 Grit · Hardcore

54.1007° N, 6.2004° W© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 25 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.

Time limit 14 hours 10:00 min/km average. Generous. Walkable throughout for most of the field. Tighter than 72% of 50 mi races. Measured against 455 races of the same distance. Cut-off calculator →

Field size ~39 Small. Long stretches with nobody in sight.

DUV results for the 2025 edition (84km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, June

Daytime high 16°C

Night low 11°C

Rainfall Mostly dry

Daylight 16 h 56 m of light

Regional 2001-2020 average for June — NASA POWER, grid elevation 54 m. Not a forecast.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a rolling course. Expect fast, runnable sections where rhythm is key.

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 84 km of trail with 2,080 m of ascent.

Trail Running Shoes25 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition84 km of self-supported fuelling between aid stations.
Hydration VestsPole attachment and chest-strap stability on steep ground.
Trekking Poles2,080 m of ascent to walk up.
HeadlampsA 14 h limit puts you out there after dark.

La Sportiva

Prodigio Pro

RunRepeat found the La Sportiva Prodigio Pro to have a secure, locked-in fit due to its premium upper, and also praised the shoe's energetic ride, particularly…

$225 ★★★★★ 4.6

Salomon

Awesome Sauce

Real food gel with 180 calories. Rice-based with natural flavors.

$4 ★★★★★ 4.6

Salomon

ADV Skin 12

Industry-standard 12L race vest with front flask pockets and minimal bounce.

$180 ★★★★★ 4.8

LEKI

Ultratrail FX.One

Ultra-light carbon folding poles (135g each) designed for mountain ultra racing.

$200 ★★★★★ 4.6

Petzl

NAO RL

1500-lumen reactive lighting headlamp with 15-hour runtime. Automatic brightness adjustment.

$150 ★★★★★ 4.7

All gear guides →

Course Notes

Start in Kilbroney Park, will follow the Mourne Way route all the way to Newcastle before turning at the marathon start point and returning to Rostrevor along the same path. The route will be fully waymarked.

Similar races

Other 50 mi trail ultras, closest in distance first.