4.0km

Cardiff Bay Barrage 4 — 4.0 km Running Out-and-back

by Skamper

Cardiff Bay Barrage 4 is a 4.0 km (2.5 miles) out-and-back in Penarth, Wales: flat, with 0 m of climb, on paved ground.

0 mAscent

100%Paved

0/5Hilly

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Elevation

Explore the Cardiff Bay Barrage 4

Location: Penarth, Wales

Enjoy a smooth and scenic 4km out-and-back run along the Cardiff Bay Barrage, starting from Penarth. This entirely paved, flat course offers uninterrupted running on well-maintained tarmac, perfect for maintaining a steady pace. You'll experience delightful views of the Barrage and the expansive Severn Estuary, making it a visually engaging experience.

This accessible route is ideal for convenient training runs, whether you’re easing back into fitness or looking for a reliable, no-fuss stretch of road. The lack of ascent and consistent surface makes it suitable for all abilities, from casual strollers to those seeking a predictable race warm-up or cool-down.

Common questions

How long is this route?

It's a 4.0 km out-and-back in Penarth, Wales with around 0 metres of total ascent.

How long will it take me to run it?

Use the 'Your time estimate' panel at the top of this page — it predicts your finish time for this exact route from your age, sex and most recent benchmark, accounting for distance, ascent and surface.

Is it hilly?

No. It rates 0 out of 5 on our hill scale — essentially flat. About 0 metres of climb per kilometre, 0 metres in total.

What's the surface like?

It's 100% paved — runnable in road shoes year-round.

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