Swansea city centre close

Marathon Calendar near Swansea city centre 2026-2027

Monthly updates for Swansea city centre

Get new running races (and updates) in your inbox every month.

Explore the top marathons near Swansea city centre for 2026-2027! We've gathered 23 exciting races in the area. Check out our detailed list below to find your next local race.

April 2026
Apr
5
Su

Pendine Sands Races

Trail Run 5 km 11 km ... Marathon 33 mi
Apr
25
Sa

Phoenix Running - Trelewis

Backyard Ultra 5 km 10 km Half Marathon Marathon
Apr
26
Su

Saturn Running - Cwmdare

Trail Run 3 km 5 km ... Marathon 50 km
May 2026
May
2
Sa

The Maverick Exmoor X-Trail

Trail Run 5 km 15 km ... Marathon 56 km
May
16
Sa

OTT Marathon

Trail Run 10 mi 26 mi
May
23
Sa

True Grit Trail Half Marathon

Trail Run 26 mi
May
30
Sa

Saturn 7 Hour Time Challenge - Aberdare

3 km 7 km ... Marathon 50 km
May
30
Sa

Saturn Running - Cwmdare

Trail Run 3 km 5 km ... 26 mi 50 km
May
30
Sa

Phoenix Running - Trelewis

Backyard Ultra 5 km 10 km ... Marathon 7 hr
June 2026
Jun
28
Su

Phoenix Running - Bridgend

5 km 10 km Half Marathon Marathon
July 2026
Jul
18-19
Sa - Su

Gower Peninsula Ultra Challenge

Trail Run 10 km 25 km ... 75 km 100 km
Jul
25
Sa

Saturn 7 Hour Time Challenge - Aberdare

3 km 4 mi ... Marathon 50 km
Jul
25
Sa

Saturn Running - Cwmdare

Trail Run 3 km 5 km ... Marathon 50 km
August 2026
Aug
22
Sa

Saturn Running - Cwmdare

Trail Run 3 km 5 km ... Marathon 50 km
September 2026
Sep
12
Sa

Phoenix Running - Trelewis

Backyard Ultra 5 km 11 km ... Marathon 7 hr
Sep
13
Su

Phoenix Running - Deri

5 km 10 km ... Marathon 7 hr
October 2026
Oct
3
Sa

Saturn Running - Aberdare

Backyard Ultra 3 km 5 km ... Marathon 50 km
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
November 2026
Nov
21
Sa

Saturn Running - Aberdare

Backyard Ultra 3 km 5 km ... Marathon 50 km
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