Trail Running calendar near Colchester 2025-2026

Event overview The HAVOC Twilight Series 2025 No.3 in Brentwood is a mid-week street orienteering score event and is the third event in the HAVOC Mid-Week Twilight League. The format is a spiral score course based mainly on streets, with th..

8 Bishopsgate Stair Climb is a charity stair-climb event in London, held at 8 Bishopsgate, EC2N 4BQ. Climbers ascend the building’s 50 floors, totaling 1,135 steps to a viewing gallery at the top of the 203-metre tower, where panoramic view..

Run the Wild Half Marathon - Chiltern Hills The Run the Wild Half Marathon is a guided trail event based in the Chiltern Hills, starting from The Home Office in Tring. The route covers around 13 miles (about 21 km) with approximately 300 m..

Event overview The Essex AA Cross Country Relays will take place on Saturday 11 October 2025 at Hylands Park, Chelmsford, CM2 8FS. The event is hosted by Billericay Striders and follows the 2024 format for 2025. Race formats include: U13/1..

RunThrough Trails Beat Box Hill October 2025 The event takes place on Saturday 11 October 2025 at Box Hill Trail, Tadworth KT20 7LB (Event location: The Old Fort, Box Hill Road). The races are trail format with mapped courses for each dista..

Event format This is a backyard ultramarathon in which participants run a repeated loop. Each loop is 4.167 miles (6.7 km). Runners must start each loop precisely on the hour and must complete the loop within that hour to continue. If a run..

Event overview The Kent Downs 50 Challenge takes place on Saturday 11 October 2025 at Kent Showground, Maidstone. The event uses a basecamp near Maidstone with parking, weekend camping options, shuttle transfers to the nearest train station..

Join Suffolk Endurancelife in Dunwich on 11 October 2025 for 10K to ultra trail distances across flat coastal heath, moorland and beach. Enjoy waymarked routes, electronic timing, a finishers medal and a lively post race party.

Event details The Southend Pier Marathon is a full marathon held on Southend Pier in Southend On Sea. The pier stretches for 1.34 miles. The event date is 12 October 2025. The race is organised by Sussex Trail Events. The minimum age for pa..

The Ridgeway Run is a challenging 15-kilometre (9.3 miles) trail race organized by Tring Running Club, featuring scenic routes mainly on footpaths and bridleways with stunning views of the Chilterns. The course starts near Tring, ascends th..

West Acre Wild 10k Challenge is an off-road 10-kilometre race set in Westacre, Norfolk. The course winds through undulating bridle paths and woodland tracks, with a short paved section at the start and surfaces that can be wet or muddy afte..

North Chilterns 50K - Event overview The North Chilterns 50K is a trail ultra held from Putteridge Bury Country House. The 4th edition takes place on Sunday 12th October 2025. The course distance is 50 km with approximately 798 m of elevati..

Event The Titsey Trail 10k is an annual off-road race organised by Oxted Runners. The next edition is scheduled for Sunday 12 October 2025. The race distance is 10k. Entries are managed by Nice Work Race Management. The event is held under..

Event The Frieth Hilly 5km and 10km is scheduled for 12 October 2025 at Frieth Primary School, Frieth Hill, Henley-on-Thames RG9 6PR. The courses run in the Chiltern Hills between Marlow and Henley-on-Thames, about 35 miles from central Lon..

Event details The Marlow Donkey is a walking and running challenge held on 12 October 2025 in Marlow, Bucks. The event base is Liston Hall (Marlow Community Association), Chapel Street, Marlow, SL7 1DD. It is organised by LDWA - Thames Vall..

The ATW Holdenby House Trail & Canicross event takes place on the historic 2,000-acre Holdenby Estate in Northamptonshire, featuring a scenic 5.4 km traffic-free trail through estate grounds and surrounding farmland. Participants can choose..

Event overview The Tarmac Twister Trail takes place on 15 October 2025 and is organised by Essex Trail Events. The route is approximately 6 miles and the minimum age is 16. The event holds TRA permit 7706. It is a self-navigation trail race..

Gatliff Marathon : 18 October 2025 The Gatliff Marathon is an annual challenge walk, jog or run. The 2025 event is the 41st edition and takes place at Edenbridge Cricket Club, Matthew Cox Community Pavilion, Blossoms Park, Mill Hill, Edenbr..

Herstmonceux 8km Trail Race is a picturesque off-road loop around Herstmonceux, centred on Herstmonceux Village Hall (BN27 4JX). The 8km course winds through fields, bridleways and woodland with views toward the South Downs; distance is app..

Take on the Bedgebury Forest Half Marathon or 10K on 19 October 2025, winding through scenic, traffic free trails in the national pinetum. Expect mud after rain, a bespoke medal and free photos, with limited on the day entries if available.