Thetford Forest is set to feature in a new Forestry England running series - Credit: Getty Images/iStockphoto Thetford Forest is set to feature in a series which invites participants to run through some of the country's most beautiful woodland scenery. Following its successful running series in 2019, Forestry England is once again giving people the chance to challenge themselves while enjoying the freedom and fresh air of the nation's forests. Thetford Forest is set to feature in a new Forestry England running series - Credit: Sonya Duncan The new series, 'Forest Runner', will take place this autumn, with the Thetford Forest event starting from High Lodge on October 31.