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Trail Running Calendar near Black Mountains, Wales 2025-2026

Monthly updates for Black Mountains, Wales

Get new running races (and updates) in your inbox every month.

Explore the top trail runs near Black Mountains, Wales for 2025-2026! We've gathered 71 exciting races in the area. Check out our detailed list below to find your next local race.

December 2025
Dec
14
Su

8 Maids a Milking

Trail Run 5 km 10 km Half Marathon Marathon
Dec
18
Th

12 Drummers Drumming Run

Trail Run 5 km 10 km Half Marathon Marathon
Dec
20
Sa

Saturn Running - Cwmdare

Trail Run 3 km 5 km
Dec
27
Sa

Midwinter Mortimer Trail

Trail Run 15 mi 30 mi
Dec
27-29
Sa - Mo

The Seven Sins Run & Immortal Sinner

Trail Run 7 mi 14 mi
January 2026
Jan
10
Sa

Reservoir Roundabout

Trail Run 12 mi 20 mi
Jan
12
Mo

The Slothful Run

Trail Run 5 km 10 km Half Marathon Marathon
Jan
12-18
Mo - Su

The 7 Deadly Sins 7in7

Trail Run 5 km 10 km Half Marathon Marathon
Jan
13
Tu

The Proud Run

Trail Run 5 km 10 km Half Marathon Marathon
Jan
14
We

The Lusty Run

Trail Run 5 km 10 km Half Marathon Marathon
Jan
15
Th

The Angry Run

Trail Run 5 km 10 km Half Marathon Marathon
Jan
16
Fr

The Gluttonous Run

Trail Run 5 km 10 km Half Marathon Marathon
Jan
17
Sa

The Greedy Run

Trail Run 5 km 10 km Half Marathon Marathon
Jan
18
Su

The Envious Run

Trail Run 5 km 10 km Half Marathon Marathon
Jan
24
Sa

Saturn Running - Cwmdare

Trail Run 3 km 7 km ... Marathon 50 km
Jan-Feb
31-1
Sa - Su

May Hill Massacre

Trail Run 8 mi 15 mi
February 2026
Feb
8
Su

Muddy Woody

Trail Run 6 mi
Feb
22
Su

Sorbrook Slog

Trail Run 7 mi
March 2026
Mar
1
Su

Brecon to Cardiff Classic

Trail Run 70 km
Mar
1
Su

Brecon to Cardiff Xtreme

Trail Run Marathon 75 km