Richmond Park Marathon 2025 Schedule. Run through scenic and historic sections of richmond, including along and across the beautiful james river. On september 15, 2025, the richmond park half marathon will take runners on a memorable journey through one of london's most iconic parks.
The next 2 laps are nice and simple (!) (approximately 7.1 miles each) and follow the tamsin trail in a clockwise direction around the perimeter of the park. Welcome to the richmond park half marathon 2025!