From there they will head towards the historic dockyard and HM Naval Base, before turning east and running past Victoria Park.
From there thousands will jog along the other side of Southsea Common '“Â where they will see the finish line despite only being about half way through.
By the seven-mile point they will reach Eastney and and weave through residential streets, before the final mile back along the seafront.
The routes for the mini course and 5k have also been revealed, and you can see the maps on this page
For more information go to the GSR website.