Almost 5,000 runners took part in the 2013 English National Cross Country Championships in Sunderland.
The 350 acre site at Herrington Country Park hosted a ten race programme.
"It is the chance to show everyone again on the national stage what a fantastic venue Sunderland provides."
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The constituency of Washington and Sunderland West includes the UK's largest car plant, which was opened by Nissan in 1984.
This seat was formed prior to the 2010 General Election, taking in Sunderland city centre and the Ryhope area to the south.
The constituency of Stockton South includes relatively affluent areas like Yarm and Eaglescliffe.