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Running Calendar near Llanelli 2025-2026

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Explore the top running races near Llanelli for 2025-2026! We've gathered 49 exciting races in the area. Check out our detailed list below to find your next local race.

Half Marathons Marathons Trail Runs Triathlons
April 2026
Apr
11
Saturday

Vale Coastal Races

Trail Run 10 mi 19 mi 33 mi
Apr
11
Saturday

RTT Gower Trail Half Marathon

Trail Run 5 km 10 km Half Marathon
Apr
26
Sunday

Colour Run Swansea

5 km
Apr
26
Sunday

Saturn Running - Cwmdare

Trail Run 3 km 7 km ... Marathon 50 km
May 2026
May
16
Saturday

True Grit Trail Half Marathon

Trail Run 13 mi
May
30
Saturday

Saturn Running - Cwmdare

Trail Run 3 km 7 km ... Marathon 50 km
June 2026
Jun
6
Saturday

Pegasus - The VOGUM

Trail Run 40 mi
Jun
7
Sunday

Swansea Half Marathon

13 mi
Jun
16
Tuesday

The Bay 5K Series

3 km 5 km
Jun
16
Tuesday

The Bay Aquathlon Series

Aquathlon
July 2026
Jul
5
Sunday

Porthcawl 10K

10 km
Jul
12
Sunday

Ironman 70.3 Swansea

Triathlon
Jul
16
Thursday

The Bay Aquathlon Series

Aquathlon
Jul
16
Thursday

The Bay 5K Series

3 km 5 km
Jul
18-19
Sa - Su

Gower Peninsula Ultra Challenge

Trail Run 10 km 25 km ... 75 km 100 km
Jul
18
Saturday

Rabbit Run Wales

Trail Run 12 km 40 km
Jul
18
Saturday

Dusk Till Dawn - Bridgend

Backyard Ultra 10 mi
Jul
25
Saturday

Saturn Running - Cwmdare

Trail Run 3 km 7 km ... Marathon 50 km
August 2026
Aug
2
Sunday

Llanelli 10 Miler

5 mi 10 mi
Aug
27
Thursday

The Bay Aquathlon Series

Aquathlon
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