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Half Marathon Calendar near Caerphilly 2026-2027

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Monthly updates for Caerphilly

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Explore the top half marathons near Caerphilly for 2026-2027! We've gathered 42 exciting races in the area. Check out our detailed list below to find your next local race.

October 2026
Oct
4
Su

Weston Super Half

Half Marathon
Oct
17
Sa

Saturn Running - Aberdare

Backyard Ultra 3 km 5 km ... Marathon 50 km
Oct
18
Su

Phoenix Running - Aberfan

Backyard Ultra 5 km 10 km Half Marathon Marathon
Oct
18
Su

Cardiff Taff Trail Half Marathon

Half Marathon
November 2026
Nov
1
Su

MoRun Cardiff

5 km 10 km Half Marathon
Nov
7
Sa

Beacons Ultra

Trail Run 13 mi 26 mi 50 mi
Nov
14
Sa

Afan Forest Trail Half Marathon

10 km Half Marathon
Nov
14
Sa

Trail Half Marathon Wales

Trail Run 10 km Half Marathon
Nov
15
Su

Bristol Half Marathon MoRun

Trail Run 5 km 10 km Half Marathon
Nov
21
Sa

Saturn Running - Aberdare

Backyard Ultra 3 km 5 km ... Marathon 50 km
December 2026
Dec
12
Sa

Celtic Trail Races

Trail Run 13 mi 26 mi 34 mi
Dec
19
Sa

Nightmare before Xmas Trail ½ Marathon

Trail Run 13 mi
Dec
20
Su

Saturn Running - Cwmdare

Trail Run 3 km 5 km ... Marathon 50 km
January 2027
Jan
24
Su

Chepstow Running Festival Half Marathon

5 km 10 km Half Marathon
February 2027
Feb
28
Su

Saturn Running - Aberdare

Backyard Ultra 3 km 5 km ... Marathon 50 km
April 2027
Apr
4
Su

Brabazon Half Marathon

10 km Half Marathon
Apr
4
Su

Merthyr Half Marathon

Half Marathon
Apr
18
Su

Newport Wales Marathon

10 km Half Marathon 26 mi
Apr
18
Su

Newport Marathon Festival

10 km 13 mi 26 mi
May 2027
May
9
Su

Great Bristol Run

10 km Half Marathon
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