Trail Running calendar near Sudbury 2026-2027

A road marathon and half marathon based at Suffolk Running Centre near Bury St Edmunds, using measured routes with aid stations every 10 km. Entries include parking and a bespoke finisher medal; the event is cupless so bring your own bottle..

A 30th anniversary road marathon organised by Halstead Road Runners, set on scenic low traffic roads in North Essex. The event supports local charities, forms part of the Essex championships and limits entries to 500.

A 30 km one-day trail run through the Chiltern Hills from Tring, featuring rolling hills, on-route guidance and trail technique instruction, checkpoint refreshments and a finisher’s medal.

A one day trail running festival in Suffolk on 15 May 2027 offering a 50 mile ultra, a 50 km ultra and a trail marathon on coastal and marshland routes finishing at Nicholas Everitt Park.

A Trifecta obstacle-course weekend in Henley on Thames featuring Sprint, Super and Beast races plus a kids race along the riverside and town landmarks. Events list 20 to 30 obstacles and show a 4.7 participant rating.

Race for Life at Weald Country Park in Brentwood features 3k, 5k and 10k routes across grass and woodland trails. The 10k is two laps of the 5k course and the event is chip timed.

A Star Wars 50th Anniversary weekend on 5 and 6 June 2027 at Caldecotte, Milton Keynes featuring marathon and half marathon races around Caldecotte Lake, unique finisher medals, on-course water and toilets, and time limits for each race.

A riverside trail event at Remenham Farm in Henley-on-Thames offering a Half Marathon, 10K and a Junior Race for under 11s, with chip timing, medals, free photos and an event village.

A 100 kilometre trail ultramarathon on 9 May 2026 around the Chiltern Hills, following an anticlockwise loop past Ashridge, The Ridgeway and Whiteleaf Hill. Fully marked route with GPS tracking and several staffed aid stations.