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Trail Running Calendar near Bannau Brycheiniog National Park (Brecon Beacons) 2025-2026

Explore the top trail runs near Bannau Brycheiniog National Park (Brecon Beacons) for 2025-2026! We've gathered 40 exciting races in the area. Check out our detailed list below to find your next local race.

September 2025
Sep
6
Saturday

Pegasus - The RIDUM

Trail Run 30 mi
Sep
20
Saturday

The Maverick X Series Afan Forest

Trail Run 10 km 25 km 42 km 50 km
Sep
21
Sunday

Pumsaint Trail Half Marathon

Trail Run 7 mi 21 km
Sep
28
Sunday

Run The Trails Series - Margam

Trail Run 5 km 10 km
October 2025
Oct - Nov
31-2
Fr - Su

Black Beacon Mountain Trail Races

Trail Run 21 mi 50 km 50 mi 100 mi
November 2025
Nov
1
Saturday

OTT Ultra Marathon

Trail Run 30 mi
Nov
2
Sunday

The Twmbarlwm Terror

Trail Run 7 mi
Nov
8
Saturday

Beacons Ultra

Trail Run 13 mi 26 mi 49 mi
Nov
15
Saturday

Margam Trail Races

Trail Run 5 km 10 km 21 km
Nov
16
Sunday

Cardiff Trail Half Marathon

Trail Run 21 km
Nov
30
Sunday

Run The Trails Series - Afan Forest

Trail Run 5 km 10 km
December 2025
Dec
6
Saturday

Secret Santa Tinsel Half Marathon

Trail Run 14 km 10 mi 21 km
Dec
6
Saturday

Secret Santa Series

Trail Run 14 km 10 mi 13 mi
Dec
13
Saturday

Celtic Trail Races

Trail Run 13 mi 26 mi 34 mi
Dec
20
Saturday

Nightmare before Xmas Trail ½ Marathon

Trail Run 21 km
Dec
27
Saturday

Midwinter Mortimer Trail

Trail Run 15 mi 30 mi
January 2026
Jan
18
Sunday

Cardiff Trail 10k

Trail Run 10 km
March 2026
Mar
1
Sunday

Brecon to Cardiff Classic

Trail Run 70 km
Mar
1
Sunday

Brecon to Cardiff Xtreme

Trail Run 42 km 75 km
April 2026
Apr
11
Saturday

Vale Coastal Races

Trail Run 10 mi 19 mi 33 mi
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