Swansea close

Half Marathon Calendar near Swansea 2025-2026

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Monthly updates for Swansea

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Explore the top half marathons near Swansea for 2025-2026! We've gathered 21 exciting races in the area. Check out our detailed list below to find your next local race.

December 2025
Dec
20
Sa

Nightmare before Xmas Trail ½ Marathon

Trail Run 13 mi
January 2026
Jan
24
Sa

Saturn Running - Cwmdare

Trail Run 3 km 7 km ... Marathon 50 km
Jan
24
Sa

Saturn Running - Aberdare

Backyard Ultra 3 km 5 km ... Marathon 50 km
February 2026
Feb
14
Sa

Phoenix Running - Trelewis

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

Saturn Running - Cwmdare

Trail Run 3 km 7 km ... Marathon 50 km
Mar
22
Su

Merthyr Half Marathon

Half Marathon
April 2026
Apr
5
Su

Pendine Sands Races

Trail Run 5 km 10 km Half Marathon Marathon
Apr
11
Sa

RTT Gower Trail Half Marathon

Trail Run 5 km 10 km Half 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 7 km ... Marathon 50 km
May 2026
May
2
Sa

The Maverick Exmoor X-Trail

Trail Run 5 km 15 km ... Marathon 56 km
May
9
Sa

Endurancelife | Exmoor

Trail Run 6 mi 13 mi 27 mi 32 mi
May
30
Sa

Saturn Running - Cwmdare

Trail Run 3 km 7 km ... Marathon 50 km
June 2026
Jun
7
Su

Swansea Half Marathon

Half Marathon
July 2026
Jul
25
Sa

Saturn 7 Hour Time Challenge - Aberdare

3 km 7 km ... Marathon 50 km
Jul
25
Sa

Saturn Running - Cwmdare

Trail Run 3 km 7 km ... Marathon 50 km
September 2026
Sep
20
Su

Pumsaint Trail Half Marathon

Trail Run Half Marathon
October 2026
Oct
18
Su

Phoenix Running - Aberfan

Backyard Ultra 5 km 10 km Half Marathon Marathon
November 2026
Nov
14
Sa

Afan Forest Trail Half Marathon

10 km Half Marathon
Nov
14
Sa

Margam Trail Races

Trail Run 5 km 10 km Half Marathon