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Running Calendar near Merthyr Tydfil 2025-2026

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Explore the top running races near Merthyr Tydfil for 2025-2026! We've gathered 65 exciting races in the area. Check out our detailed list below to find your next local race.

February 2026
Feb
1
Sunday

The Cardiff Half Marathon Winter Warmer Run

5 km 10 km 13 mi
Feb
13
Friday

Trails & Tarmac Backyard Ultra

Backyard Ultra 4 mi
Feb
15
Sunday

Pontypool 10K Home Run

10 km
March 2026
Mar
1
Sunday

Saturn Running - Aberdare

Backyard Ultra 3 km 7 km ... 42 km 50 km
Mar
1
Sunday

Brecon to Cardiff Classic

Trail Run 70 km
Mar
1
Sunday

Brecon to Cardiff Xtreme

Trail Run 42 km 75 km
Mar
7
Saturday

The Hateful 8 Loopy Ultra

Backyard Ultra 9 mi
Mar
22
Sunday

Merthyr Half Marathon

13 mi
April 2026
Apr
11
Saturday

Vale Coastal Races

Trail Run 10 mi 19 mi 33 mi
Apr
18
Saturday

MTC Afanc

Trail Run 40 mi
Apr
18
Saturday

Beast Of The Beacons

Trail Run 10 mi 20 mi 40 mi
Apr
18-19
Sa - Su

Cymoedd Sir Fynwy

Trail Run 20 mi 30 mi 50 mi
Apr
19
Sunday

MTC Y Draig Goch

Trail Run 35 mi
Apr
19
Sunday

Newport Wales Marathon

10 km 21 km 42 km
Apr
26
Sunday

Saturn 7 Hour Time Challenge - Aberdare

3 km 7 km ... 42 km 50 km
Apr
26
Sunday

Saturn Running - Aberdare

Backyard Ultra 3 km 7 km ... 42 km 50 km
May 2026
May
2
Saturday

Rasus y Bannau

Trail Run 43 km 75 km 100 km
May
9
Saturday

Tenacious Ten Endurance Challenge

Backyard Ultra 3 mi
May
9-11
Sa - Mo

Epona 100

Trail Run 100 mi
May
10
Sunday

Bryn Meadows Caerphilly 10k

10 km
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