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Trail Running Calendar near Merthyr Tydfil 2026-2027

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Explore the top trail runs near Merthyr Tydfil for 2026-2027! We've gathered 71 exciting races in the area. Check out our detailed list below to find your next local race.

February 2027
Feb
6
Sa

Trails & Tarmac Backyard Ultra

Trail Run Backyard Ultra 4 mi
Feb
14
Su

Brecon to Cardiff Xtreme

Trail Run 26 mi 48 mi
Feb
14
Su

Brecon to Cardiff Classic

Trail Run 70 km
Feb
14
Su

Caerphilly Trail 10K

Trail Run 5 km 10 km
Feb
28
Su

Saturn Running - Aberdare

Road Race Trail Run Backyard Ultra 3 km 5 km ... Marathon 50 km
Monthly updates for Merthyr Tydfil

Get new running races (and updates) in your inbox every month.
March 2027
Mar
6
Sa

Beast Of The Blacks

Trail Run 10 mi 20 mi 40 mi
Mar
20
Sa

South Wales Three Peaks Trial

Trail Run
April 2027
Apr
2-3
Fr - Sa

Rasus y Bannau

Trail Run 27 mi 40 mi 104 km
Apr
2
Fr

Pegasus - The BOWUM

Trail Run
Apr
17
Sa

Beast Of The Beacons

Trail Run 10 mi 20 mi 40 mi
Apr
24
Sa

Vale Coastal Races

Trail Run 10 mi 19 mi 33 mi
May 2027
May
8-10
Sa - Mo

Epona 100

Trail Run 100 km 100 mi
May
8
Sa

Radyr Trail Marathon

Trail Run 13 mi 26 mi
May
15
Sa

OTT Marathon

Trail Run 10 mi 26 mi
May
15
Sa

Gwyn Matthews’ Rhondda Rollercoaster

Trail Run 16 mi 27 mi
May
23
Su

Margam Wild Trail Runs

Trail Run 5 km 10 km Half Marathon
May
29
Sa

Welsh Festival of Running

Trail Run 5 km 10 km ... 50 km 80 mi
June 2027
Jun
4
Fr

Pegasus - The VOGUM

Trail Run
Jun
12
Sa

Offa's Dyke 15

Trail Run 15 mi
July 2027
Jul
11
Su

Pen y Fan

Trail Run 6 km
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