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Running calendar Wales 2025-2026

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Explore the best running races in Wales for 2025-2026! Our updated list features 161 exciting races across the region. Find your next race in Wales below and join the running community at these great events!

June 2025
Jun
28-29
Sa - Su

Lake Vyrnwy Running Festival

Trail Run 5 km 11 km
Jun
28
Saturday

Welsh 3000’s Ultra Run

Trail Run 50 km
Jun
29
Sunday

Hundred House 10k

10 km
July 2025
Jul
4-5
Fr - Sa

Pen Llyn Ultra Summer Edition

Trail Run 50 mi 100 mi
Jul
5
Saturday

Pegasus - The PIGUM

Trail Run 30 mi
Jul
6
Sunday

Mold Triathlon

Triathlon
Jul
6
Sunday

Porthcawl 10K

10 km
Jul
12-13
Sa - Su

Snowdon24

Trail Run 50 km 100 km 100 mi
Jul
12
Saturday

Xterra Snowdonia Trail Marathon Eryri

Trail Run 10 km 13 mi 26 mi 57 km
Jul
12
Saturday

Lt-100 + Lt-50 Mile Ultras

Trail Run 50 mi 100 mi
Jul
13
Sunday

Ironman 70.3 Swansea

Triathlon
Jul
13
Sunday

Chirk 10k Run

10 km
Jul
19
Saturday

Welsh 3000 Challenge (14 Peaks)

Trail Run 50 km
Jul
19-20
Sa - Su

Gower Peninsula Ultra Challenge

Trail Run 10 km 25 km ... 75 km 100 km
Jul
19-20
Sa - Su

Dragon Coastal Ultramarathon

Trail Run 30 mi 50 mi 100 mi
Jul
19
Saturday

Dusk Till Dawn - Bridgend

Backyard Ultra 10 mi
Jul
19
Saturday

Rabbit Run Wales

Trail Run 4 km 12 km 40 km
Jul
19
Saturday

Saturn Running - Aberdare

Backyard Ultra 5 km 7 km ... 26 mi 50 km
Jul
22-24
Tu - Th

Paddy Buckley Round

Trail Run 100 km
Jul
23
Wednesday

SSAFA South East wales Cardiff 5K Series

5 km
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