Wales close

Running Calendar Wales 2025-2026

Header image

Explore the best running races in Wales for 2025-2026! Our updated list features 156 exciting races across the region. Find your next race in Wales below and join the running community at these great events!

May 2026
May
16
Saturday

South Wales 26 ROAD

Triathlon
May
17
Sunday

Barry Island 10K

10 km
May
24
Sunday

Newtown 10K Run

10 km
May
30
Saturday

Abersoch 10K

3 km 10 km
June 2026
Jun
6
Saturday

The Llangollen 50K

50 km
Jun
7
Sunday

Swansea Half Marathon

13 mi
Jun
20
Saturday

GB Ultras - Ultra Wales 50

Trail Run 51 mi
Jun
28
Sunday

Hundred House 10k

10 km
July 2026
Jul
5
Sunday

Mold Triathlon

Triathlon
Jul
8
Wednesday

The MTC Hafren Ultra

Trail Run
Jul
8-12
We - Su

Severn Challenge

Trail Run 26 mi 30 mi ... 59 mi 220 mi
Jul
9
Thursday

The MTC Severn Plod Ultra

Trail Run
Jul
11
Saturday

Xterra Snowdonia Trail Marathon Eryri

Trail Run 10 km 13 mi 26 mi
Jul
11
Saturday

Snowdon24

Trail Run 50 km
August 2026
Aug
15
Saturday

Chepstow Running Festival Half Marathon

5 km 10 km 13 mi
September 2026
Sep
13
Sunday

Lake Vyrnwy Half Marathon

13 mi
Articles
Top 10 Marathons in the Netherlands — The Ultimate Dutch Marathon Bucket List: 10 Unmissable Races
The Beauty of the Easy Run — Why slowing down might be the smartest thing you do for your running
Mizuno Wave Rider 28: Elevating the Legacy of a Running Icon
Garmin Forerunner Review: Garmin Forerunner Series