Great South Run
When18 October 2026
WhereClarence Esplanade, Southsea, PO5 3NT Portsmouth
TypeSports event
The Great South Run is a ten-mile road race held in Southsea, Portsmouth, with a 5k also on the programme. The course starts on Clarence Esplanade and passes landmarks including the Spinnaker Tower, Portsmouth Harbour and the Historic Dockyard before finishing near Southsea Castle.