Trail Running calendar near Sudbury 2026-2027

An untimed inflatable obstacle run at Royal Norfolk Showground on 17 October 2026 with giant inflatables, music zones and distances of 2.5k, 5k, 10k and 15k. Family and charity entry options are available.

An annual cross-country challenge walk, jog or run of 25 km or 50 km across footpaths and tracks in Kent, Surrey and Sussex, with checkpoints, food provided, GPX route files, and first aid cover.

A guided 10 mile trail run around canals, reservoirs and Britain’s oldest post windmill near the Chilterns. Includes a run leader, trail technique instruction and a finisher’s medal; places are limited to 40.

An off road 10 km run through Norfolk bridle paths and woodland with optional obstacles and a ford crossing. Event HQ is at The Stag pub, a water point is at 5 km, refreshments and bespoke medals are provided and proceeds go to Purfleet Tru..

Trail races at Bedgebury National Pinetum & Forest on 18 October 2026, offering a half marathon, 10k and junior race on traffic-free woodland trails. Route maps with GPX files are available; entries include a medal, photos and limited free..

Cross-country race in Hardwick, Buckinghamshire on 18 October 2026, run over about 6 miles of off road terrain with water crossings and varied surfaces. Entries are limited to 300 and participants must be at least 17 years old.

A 10K trail run through the private grounds of Hole Park in Cranbrook, Kent on 18 October 2026, featuring parkland and woodland sections, timed results, official photography and bespoke finisher medals.

Scenic 30 mile ultra along the River Stort and Lee navigation, run as a 15 mile out and back on mostly grassy trail and graded footpaths. Trophies for the first three men and the first three women and medals for all finishers.

Pumpkin Plod at Ferry Meadows is a multi-hour lap event on a 5.3 km mixed-surface loop where runners complete as many laps as they choose. Aid is provided each lap and finishers receive an event medal.

Experience a timed anti clockwise loop around Canvey Island featuring sea wall paths and coastal trails. This self supported adventure includes a unique pub check point and follows the scenic King Charles III England Coast Path.

ATW Grafham 5K and 10K take place at Grafham Water Visitors Centre on 25 October 2026. Entry fees range from £24 to £33, the races run alongside the ATW Grafham Duathlon, and camping is available the night before.

An off-road event south of Canterbury offering marathon and half marathon routes across scenic trails and country lanes. Checkpoints, mandatory kit requirements, OpenTracking and Event HQ facilities are provided.

Looped 7K and 10K courses near Chalfont St Peter and Gerrards Cross let entrants choose distances from 7K to 40 mile ultra on the day, with aid station, drop bag access, pacers, crew support and medical cover.

A Halloween-themed night run in Irchester Country Park with a 5k race and a 2k family run. Entry includes a finisher medal, free event photos and a bag of Halloween sweets.

A single loop *50K* trail race through the Chilterns starting and finishing at Berkhamsted Cricket Club on 31 October 2026. Fully marked route with three full aid stations, navigation support and a 9 hour time limit.

Experience a festive 6.66 km Halloween trail run starting and finishing at a local brewery in Chelmsford. Participants enjoy a costume focused event with medals and drinks for finishers in a social atmosphere.

Forest trail races at Wendover Woods on 1 November 2026 include marathon, half marathon, 10k and a junior run over a multi-lap 10 km course with varied, hilly terrain and on-site facilities for spectators.

Petzl Tunnel Vision in Market Harborough is a pair of 5 mile out and back runs on 5 and 6 November 2026, one at night and one at dawn. The route includes the 422 m Oxendon Tunnel with mood lighting and requires a headtorch.

Two days of marathon and half marathon races around Caldecotte Lake in Milton Keynes on 6 and 7 November 2026, with multi-lap clockwise courses, on-course water and toilets, enforced time limits, and bespoke finisher medals.

Take on flat, scenic laps along the Thames towpath in Walton on Thames with flexible starts and distances from 5 km to ultra. Limited places, aid stations, digital results and medals make this a friendly, festival style challenge.