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Marathon Calendar near Nantgarw 2025-2026

Explore the top marathons near Nantgarw for 2025-2026! We've gathered 16 exciting races in the area. Check out our detailed list below to find your next local race.

August 2025
Aug
30
Saturday

Saturn Running - Aberdare

Backyard Ultra 3 km 7 km ... 26 mi 50 km
September 2025
Sep
20
Saturday

The Maverick X Series Afan Forest

Trail Run 10 km 25 km 42 km 50 km
Sep
20
Saturday

Saturn Running - Aberdare

Backyard Ultra 3 km 7 km ... 26 mi 50 km
October 2025
Oct
18
Saturday

Saturn Running - Aberdare

Backyard Ultra 3 km 7 km ... 26 mi 50 km
November 2025
Nov
8
Saturday

Beacons Ultra

Trail Run 13 mi 26 mi 49 mi
Nov
22
Saturday

Saturn Running - Aberdare

Backyard Ultra 3 km 7 km ... 26 mi 50 km
December 2025
Dec
13
Saturday

Celtic Trail Races

Trail Run 13 mi 26 mi 34 mi
Dec
21
Sunday

Saturn Running - Aberdare

Backyard Ultra 3 km 7 km ... 26 mi 50 km
January 2026
Jan
24
Saturday

Saturn Running - Aberdare

Backyard Ultra 3 km 7 km ... 26 mi 50 km
March 2026
Mar
1
Sunday

Saturn Running - Aberdare

Backyard Ultra 3 km 7 km ... 26 mi 50 km
Mar
1
Sunday

Brecon to Cardiff Xtreme

Trail Run 26 mi 75 km
April 2026
Apr
11
Saturday

Steaming to the Coast

Trail Run 11 km 11 mi 26 mi
Apr
19
Sunday

Newport Wales Marathon

10 km 13 mi 26 mi
Apr
26
Sunday

Saturn 7 Hour Time Challenge - Aberdare

3 km 7 km ... 42 km 50 km
Apr
26
Sunday

Saturn Running - Aberdare

Backyard Ultra 3 km 7 km ... 26 mi 50 km
June 2026
Jun
14
Sunday

Cheddar Gorge Challenge

Trail Run 3 km 6 km ... 21 km 42 km
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