Great Welsh Marathon

Carmarthenshire, Wales, UKMarch 16, 2025

partly-cloudy-day Partly cloudy throughout the day.

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Hosted at the magnificent Pembrey Country Park in Carmarthenshire this race showcases the best of coast and country on a route that covers both the half and full marathon distance.   This is a race for everyone, so whether you love inspiring green spaces or are a sucker for coastal views, then you’ll run happy, as this has it all! Boasting a maximum elevation of only 18 metres and an overall gain of 110 metres for the full marathon distance, this race offers a superb opportunity to achieve your personal best! It’s the perfect spring race that is flat, friendly, and great for first-timers or PB chasers! Source

Area Map

Course Maps

FAQ

When is the 2025 Great Welsh Marathon?

The 2025 Great Welsh Marathon will be held on Sunday March 16, 2025.

Community

Historical Weather

RunScore
Run Score: 6
Temp
54°F
Min/Max
50°/55°F
Dew
44°F
Days of Rain
2/5
Wind
17mph
Tap a row for details.
YearConditionsLow / HighRainRunScore
2024
rain
50°/ 54°Light
Run Score: 6
2022
partly-cloudy-day
51°/ 60°-
Run Score: 7
2019
cloudy
43°/ 50°-
Run Score: 6
2018
partly-cloudy-day
50°/ 54°Light
Run Score: 6
2017
cloudy
54°/ 57°-
Run Score: 8