Portsmouth Coastal Waterside Marathon
Race Day Weather
Cool start — fast day potential, strong wind
A cool 48°F at the start line is ideal for fast times — expect to warm up quickly once you're moving. Strong 21mph gusts could slow exposed stretches — tuck behind other runners when you can. Moderate humidity at 80% is worth noting for effort level, especially in later miles.
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Race Info
The Portsmouth Coastal Waterside Marathon offers runners a festive and scenic journey along the picturesque Southsea seafront and around Langstone Harbour. This flat, multi-terrain course combines road and coastal paths, providing a dynamic running experience with minimal elevation changes—just 108 meters over the entire marathon distance. As you run, you'll be treated to stunning sea views and pass key landmarks like the Tudor Sailing Club and Applegreen garage. The course is renowned for its lively atmosphere, featuring aid stations stocked with treats like jelly beans, Jaffa cakes, and savory snacks. Runners can also enjoy on-site massage and taping services to enhance their race day experience. Whether you're a seasoned marathoner or a novice, this race promises a memorable and accessible challenge amidst the vibrant coastal setting.