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The Barr Ellison hoohaah trails Shuttleworth runs through the grounds of the Old Warden Estate – home to the historic Shuttleworth Collection which includes the oldest flying aeroplane in the world. The traffic free 10K route follows trails through woodland and the surrounding parkland with fantastic views of Shuttleworth House.

By purchasing the hoohaah season pass, you're entitled to all our Barr Ellison hoohaah events plus you will receive an exclusive hoohaah hoodie! The 2023 season pass includes runs at Thetford, Childerley, Shuttleworth, Ickworth and NEW for 2023, Salcey, Wendover, Grafham Water and Holdenby with more to come! Once you have purchased the hoohaah season pass, you will not need to book before coming to any of the hoohaah events as you will be automatically entered. Instead, just turn up on the day of the event and tell our wonderful registration team what distance you would like to complete. ( Please note our hoohaah season pass excludes the Wendover 6 hour enduro - but all other distances are still included!)