Thorney Island Off Road Half Marathon

An amazing route around Thorney Island and the surrounding harbourside paths makes the most of the stunning views of Chichester Harbour and its spectacular wildlife

Date Saturday 2nd November, 2024
Distance Half Marathon + other events: 15K
LocationThorney Island
Start postcodePO10 8BN
Start time9:00am
WebsiteVisit website

View all races for Nov 2024

The route's remoteness and constant coastal vistas makes it one of the south's best-kept secrets. This well-crafted off-road route will guide you around the perimeter of the former airbase at Thorney island, with views over to the Witterings, Prinstead Bay, and the surrounding Southdown's.

The flat nature of the course makes it the perfect trail run for someone attempting their first Half Marathon or someone want to record a fast time. With two route distances to choose from (15K, 21K), there is a distance to cater for all abilities. The event is chip timed and will have water station(s) on route to keep you hydrated.


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