Holyhead, United Kingdom · Friday, September 4, 2026

Fixed Distance 50 mi

Firelighter 50 Coastal Ultra Marathon

Race completed
76 km Distance
1,300 m Climbing
5.8 Grit · Challenging
Register with organiserRegister ↗ Add to calendar
53.3062° N, 4.6321° W© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 17 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.
Time limit 15 hours 11:51 min/km average. Generous. Walkable throughout for most of the field. About average for a 50 mi. Measured against 455 races of the same distance. Cut-off calculator →
Field size ~61 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2025 edition (47mi) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, September

Daytime high 16°C
Night low 13°C
Rainfall Showers likely
Daylight 13 h 33 m of light

Regional 2001-2020 average for September — NASA POWER, grid elevation 15 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 76 km of trail with 1,300 m of ascent.

  • Trail Running Shoes76 km of trail — cushioning that is still there in the last quarter.
  • Race Nutrition76 km of self-supported fuelling between aid stations.
  • Hydration VestsFlask capacity for 76 km, without the bounce.
  • HeadlampsA 15 h limit puts you out there after dark.
  • GPS WatchesBattery life first — a 76 km day outlasts most full-GPS modes.

Adidas

Terrex Speed Ultra

★★★★★ 4.5

Adidas

Terrex Agravic Speed Ultra

★★★★★ 4.5

Maurten

Gel 100

Hydrogel technology for 25g carbs per gel with minimal GI distress.

$3.5 ★★★★★ 4.7

Salomon

ADV Skin 12

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

$180 ★★★★★ 4.8

Nitecore

UT32

Dual-beam trail running headlamp (1100 lumens) with spot and flood beams.

$100 ★★★★★ 4.5

Suunto

Vertical

Titanium GPS watch with solar charging, offline maps, and 140-hour GPS battery.

$630 ★★★★★ 4.5
All gear guides →

Course Notes

The rugged course follows the Anglesey Coastal Path. Single track coastal trails running over beaches, clifftop paths down to quaint coves and up to rolling grassy headlands, through small villages and towns. Finish in Lligwy.

Similar races

Other 50 mi trail ultras, closest in distance first.