Talybont-on-Usk, United Kingdom · Saturday, August 8, 2026

Fixed Distance 50K

Brecon Beacons 51km

Race completed

51 km Distance

2,140 m Climbing

5.8 Grit · Challenging

51.8959° N, 3.2878° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 42 m / km Mountain. Significant climbing. Steep sections will require power hiking.

Time limit 12 hours 14:07 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 68% of 50K races. Measured against 1034 races of the same distance. Cut-off calculator →

Typical conditions, August

Daytime high 19°C

Night low 11°C

Rainfall Showers likely

Daylight 15 h 08 m of light

Regional 2001-2020 average for August — NASA POWER, grid elevation 256 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 51 km of trail with 2,140 m of ascent.

Trail Running Shoes 42 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition 51 km of self-supported fuelling between aid stations.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 2,140 m of ascent to walk up.
Headlamps A 12 h limit puts you out there after dark.

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

Brooks

Catamount 3

RunRepeat found the Brooks Catamount 3 to have a cozier upper that enhances the overall fit, though breathability and durability could be better. iRunFar noted…

★★★★★ 4.5

Skratch Labs

Sport Hydration Mix

Clean electrolyte drink mix with real fruit flavor. Low sugar.

$20 ★★★★★ 4.5

Salomon

ADV Skin 12

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

$180 ★★★★★ 4.8

Black Diamond

Distance FLZ

Lightweight folding trekking poles with FlickLock Z adjustment. 340g per pole.

$170 ★★★★★ 4.7

Petzl

NAO RL

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

$150 ★★★★★ 4.7

All gear guides →

Overview

The Brecon Beacons 51km is a trail race with 2140m of elevation gain. This makes it a challenging 50k with 42m of climb per kilometre.

The 12-hour time limit allows for a 14.1 minutes per kilometre pace, which is a tighter cut-off than 31% of 1011 comparable 50k races. This leaves less margin for error than most races of this distance.

The race is organised by Run Through Trails and takes place in Talybont-on-Usk, United Kingdom, on August 8, 2026, with an entry fee of £80.

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