Popular Locations
- Marathon in Barnard Castle
- Marathon in Billingham
- Marathon in Bishop Auckland
- Marathon in Chester le Street
- Marathon in Consett
- Marathon in Crook
- Marathon in Darlington
- Marathon in Durham
- Marathon in Ferryhill
- Marathon in Hartlepool
- Marathon in Newton Aycliffe
- Marathon in Peterlee
- Marathon in Seaham
- Marathon in Sedgefield
- Marathon in Shildon
- Marathon in Spennymoor
- Marathon in Stanley
- Marathon in Stockton on Tees
- Marathon in Trimdon
- Marathon in Wingate
- Marathon in Yarm