10k Run Cardiff: Scenic Cardiff Bay Circuit with Iconic Views

Route Overview & Local Insights

Experience the best of the Welsh capital on this scenic 9.8km circuit around the revitalized Cardiff Bay. Starting from Havannah Street, this route is exceptionally flat with 0m of ascent, making it an ideal choice for runners looking to maintain a steady tempo or conquer a near-10k distance without the challenge of hills. The terrain is roughly 70% paved, offering a reliable surface through the vibrant Inner Harbour and across the impressive Cardiff Bay Barrage. As you loop the water, you'll enjoy wide-open skies, refreshing coastal breezes, and a seamless blend of modern boardwalks and dedicated pedestrian paths that are perfect for both early morning intervals and sunset easy runs.

Steeped in industrial heritage, Cardiff Bay was once the world’s busiest coal-exporting port and has since undergone one of Europe’s most significant urban regenerations. As you run, you’ll pass iconic landmarks like the Pierhead Building with its striking red brickwork and the Wales Millennium Centre, affectionately known by locals as "The Armadillo." The bay itself is a freshwater lake created by the Barrage, which now serves as a central hub for wildlife and water sports. Look out for the Norwegian Church, where Roald Dahl was christened, providing a touch of literary history to your miles. This route captures the spirit of modern Cardiff, where maritime history meets contemporary city living.