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10K Race Calendar near Cardiff Bay 2026-2027

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Explore the top 10k races near Cardiff Bay for 2026-2027! We've gathered 70 exciting races in the area. Check out our detailed list below to find your next local race.

January 2027
Jan
31
Su

The Cardiff Half Marathon Winter Warmer Run

5 km 10 km Half Marathon
February 2027
Feb
14
Su

Caerphilly Trail 10K

Trail Run 5 km 10 km
Feb
28
Su

Saturn Running - Aberdare

Road Race Trail Run Backyard Ultra 3 km 5 km ... Marathon 50 km
Feb
28
Su

Ironwood Challenge

Trail Run 6 mi
March 2027
Mar
6
Sa

St David's Day Run

5 km 10 km Half Marathon
Monthly updates for Cardiff Bay

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Mar
14
Su

Saturn Running - Aberdare

Road Race Trail Run Backyard Ultra 3 km 5 km ... Marathon 50 km
April 2027
Apr
4
Su

Brabazon Half Marathon

10 km Half Marathon
Apr
11
Su

bigmoose Ultra Fun Run

5 km 10 km Half Marathon Marathon
Apr
18
Su

Newport Wales Marathon

10 km 13 mi 26 mi
Apr
18
Su

Newport Marathon Festival

10 km 13 mi 26 mi
Apr
18
Su

Beacon to Beach

Trail Run 10 km
May 2027
May
2
Su

Race for Life Cardiff

3 km 5 km 10 km
May
9
Su

Great Bristol Run

10 km Half Marathon
May
9
Su

Bryn Meadows Caerphilly 10k

10 km
May
16
Su

Barry Island 10K

10 km
May
22
Sa

Inflatable 5K - Bristol

Obstacle Run 3 km 5 km 10 km 15 km
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
13
Su

Cheddar Gorge Challenge

Trail Run 3 km 6 km ... Half Marathon Marathon
Jun
17
Th

Thornbury 10k

10 km
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