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Running Calendar near Merthyr Tydfil 2026-2027

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Monthly updates for Merthyr Tydfil

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

Explore the top running races near Merthyr Tydfil for 2026-2027! We've gathered 142 exciting races in the area. Check out our detailed list below to find your next local race.

Half Marathons Marathons Trail Runs Triathlons Fitness Races
February 2027
Feb
28
Su

M10 Swansea

5 mi 10 mi
Feb
28
Su

Saturn Running - Aberdare

Backyard Ultra 3 km 5 km ... Marathon 50 km
March 2027
Mar
6
Sa

Beast Of The Blacks

Trail Run 10 mi 20 mi 40 mi
Mar
7
Su

Barry 40 Mile Track Race

26 mi 40 mi
April 2027
Apr
2-3
Fr - Sa

Rasus y Bannau

Trail Run 27 mi 40 mi 104 km
Apr
4
Su

Merthyr Half Marathon

Half Marathon
Apr
17
Sa

Beast Of The Beacons

Trail Run 10 mi 20 mi 40 mi
Apr
18
Su

Newport Wales Marathon

10 km Half Marathon 26 mi
Apr
18
Su

Newport Marathon Festival

10 km 13 mi 26 mi
Apr
24-27
Sa - Tu

Medieval Backyard Ultra

Backyard Ultra 7 km
Apr
24
Sa

Vale Coastal Races

Trail Run 10 mi 19 mi 33 mi
May 2027
May
1
Sa

Race for Life Pretty Muddy Cardiff

Obstacle Run 5 km
May
2
Su

Cardiff 5K Race

5 km
May
2
Su

Colour Run Swansea

5 km
May
2
Su

Race for Life Cardiff

3 km 5 km 10 km
May
16
Su

Barry Island 10K

10 km
May
23
Su

Margam Wild Trail Runs

Trail Run 5 km 10 km Half Marathon
May
23
Su

Swansea Triathlon

Triathlon
May
23
Su

The Swansea 5K

5 km
May
29
Sa

Welsh Festival of Running

Trail Run 5 mi 50 mi
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