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Trail Running Calendar near Merthyr Mawr 2026-2027

Monthly updates for Merthyr Mawr

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

Explore the top trail runs near Merthyr Mawr for 2026-2027! We've gathered 60 exciting races in the area. Check out our detailed list below to find your next local race.

December 2026
Dec
20
Su

Saturn Running - Aberdare

Road Race Trail Run Backyard Ultra Walk 5 km 10 km ... 26 mi 50 km
January 2027
Jan
24
Su

Saturn Running - Aberdare

Road Race Trail Run Backyard Ultra Walk 3 km 5 km ... Marathon 50 km
February 2027
Feb
14
Su

Brecon to Cardiff Xtreme

Trail Run 26 mi 48 mi
Feb
14
Su

Brecon to Cardiff Classic

Trail Run 43 mi
Feb
28
Su

Saturn Running - Aberdare

Road Race Trail Run Backyard Ultra Walk 3 km 5 km ... Marathon 50 km
April 2027
Apr
17
Sa

Steaming to the Coast

Trail Run 11 km 11 mi 26 mi
Apr
18
Su

Beacon to Beach

Trail Run 10 km
Apr
24
Sa

Vale Coastal Races

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

The Maverick Exmoor X-Trail

Trail Run 5 km 15 km ... Marathon 56 km
May
8
Sa

Westcountry Ultra Hilly 50 miler

Trail Run 50 mi
May
8
Sa

Endurancelife | Exmoor

Trail Run 6 mi 13 mi 27 mi 32 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
26
Sa

Exmoor Running and Walking Festival

Trail Run Walk 3 mi 10 km ... 15 mi 30 mi
July 2027
Jul
17-18
Sa - Su

Gower Peninsula Ultra Challenge

Trail Run Walk 10 mi 25 km ... 75 km 100 km
Jul
17
Sa

Rabbit Run Wales

Trail Run 12 km Half Marathon Marathon
Jul
24
Sa

The Drop - Cardiff

Road Race Trail Run Walk 6 mi 10 mi 15 mi
July 2028
Jul
8
Sa

MTC Afanc

Trail Run 40 mi
Jul
9
Su

MTC Y Draig Goch

Trail Run 35 km 47 mi
November 2028
Nov
14
Tu

Llyn y Fan

Trail Run 9 km
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