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Running calendar near Cardiff 2025-2026

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Explore the top running races near Cardiff for 2025-2026! We've gathered 32 exciting races in the area. Check out our detailed list below to find your next local race.

October 2025
Oct - Nov
31-2
Fr - Su

Black Beacon Mountain Trail Races

Trail Run 21 mi 50 km 50 mi 100 mi
November 2025
Nov
2
Sunday

Richard Burton 10k

10 km
Nov
8
Saturday

Beacons Ultra

Trail Run 13 mi 26 mi 49 mi
Nov
15
Saturday

Dusk Till Dawn The Winter Edition

Backyard Ultra 10 mi
Nov
15
Saturday

Margam Trail Races

Trail Run 5 km 10 km 21 km
December 2025
Dec
6
Saturday

Santa Run Patchway

5 km 10 km
Dec
13
Saturday

Winter Celtic Trail Races

Trail Run 13 mi 26 mi 34 mi
Dec
20
Saturday

Nightmare before Xmas Trail ½ Marathon

Trail Run 13 mi
April 2026
Apr
18
Saturday

MTC Afanc

Trail Run 39 mi
Apr
19
Sunday

MTC Y Draig Goch

Trail Run 47 mi
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