9k Run Milford on Sea: Stunning Keyhaven Marshes Loop

Route Overview & Local Insights

Experience the serene beauty of the Hampshire coast with this refreshing 9.2km loop through the Keyhaven Marshes. This route is a dream for runners seeking a flat, fast-paced session, featuring a mix of well-maintained gravel paths and quiet country lanes. With 0m of elevation gain, you can focus entirely on your cadence while enjoying the panoramic views of the Solent. The terrain is stable and inviting, making it an excellent choice for a tempo run or a peaceful recovery outing where the only distraction is the sound of the coastal wind and the local birdlife.

The Keyhaven and Pennington Marshes are steeped in maritime history and ecological significance, forming a vital part of the New Forest National Park's coastline. As you navigate the sea wall, you’ll have a front-row seat to Hurst Castle—an artillery fortress built by Henry VIII—standing guard at the end of the shingle bank. This Area of Outstanding Natural Beauty is a sanctuary for rare wading birds, so keep an eye out for Brent Geese and Little Egrets. After finishing your run in Milford on Sea, local runners recommend cooling off with the sea breeze or grabbing a well-earned coffee in the village’s charming traditional center.