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Half Marathon Calendar near Dol-y-Gaer 2026-2027

Monthly updates for Dol-y-Gaer

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

Explore the top half marathons near Dol-y-Gaer for 2026-2027! We've gathered 34 exciting races in the area. Check out our detailed list below to find your next local race.

January 2026
Jan
24
Sa

Saturn Running - Cwmdare

Trail Run 3 km 5 km ... Marathon 50 km
Jan
24
Sa

Saturn Running - Aberdare

Backyard Ultra 3 km 5 km ... 50 km 7 hr
Jan
25
Su

Phoenix Running - Trelewis

Backyard Ultra 5 km 10 km Half Marathon Marathon
February 2026
Feb
1
Su

The Cardiff Half Marathon Winter Warmer Run

5 km 10 km Half Marathon
Feb
14
Sa

Phoenix Running - Trelewis

Backyard Ultra 5 km 10 km Half Marathon Marathon
March 2026
Mar
1
Su

St David's Day Run

5 km 10 km Half Marathon
Mar
1
Su

City Of Newport Half Marathon

Half Marathon
Mar
1
Su

Saturn Running - Cwmdare

Trail Run 3 km 5 km ... 50 km 7 hr
Mar
15
Su

Saturn Running - Cwmdare

Trail Run 3 km 5 km ... Marathon 50 km
Mar
22
Su

Merthyr Half Marathon

Half Marathon
Mar
29
Su

Phoenix Running - Trelewis

Backyard Ultra 5 km 10 km Half Marathon Marathon
April 2026
Apr
19
Su

Newport Wales Marathon

10 km Half Marathon Marathon
Apr
25
Sa

Phoenix Running - Trelewis

Backyard Ultra 5 km 10 km Half Marathon Marathon
Apr
26
Su

Saturn 7 Hour Time Challenge - Aberdare

3 km 7 km ... Marathon 50 km
Apr
26
Su

Saturn Running - Cwmdare

Trail Run 3 km 5 km ... Marathon 50 km
Apr
26
Su

St David's Day Run

5 km 10 km Half Marathon Marathon
May 2026
May
30
Sa

Saturn Running - Cwmdare

Trail Run 3 km 5 km ... 50 km 7 hr
May
30
Sa

Phoenix Running - Trelewis

Backyard Ultra 5 km 10 km ... Marathon 7 hr
June 2026
Jun
6
Sa

Midnight Mountain Marathon

Trail Run Half Marathon Marathon
Jun
7
Su

Swansea Half Marathon

Half Marathon