Trail Running calendar near Irchester 2026-2027

A self navigation trail event along the Colne Valley Path with marathon and half marathon distances, stocked aid stations, cupless arrangements, a pre-race shuttle and optional medal choices.

A *10 km* trail run on 23 August 2026 over the original, mostly anti-clockwise course. Entry includes a limited edition event T-shirt and finishers’ coffee and cake; race numbers and mobile phone ICE are required.

A trail half marathon across the Dunstable Downs on 23 August 2026, starting from Creasey Park in Dunstable. The self navigated route includes checkpoints, guide runners and a GPX file and offers on site facilities and a finisher medal.

A Backyard Ultra style 12 hour event at Cadwell Park where runners complete a 6.7 km lap each hour for a potential total of 80.4 km. Categories include solo and pairs plus a six hour non competitive option.

A last person standing backyard ultra at Gosfield School in Essex where runners repeat a 4.167 mile loop each hour until one remains. Onsite camping, showers and a small aid station are available for participants.

A Backyard Ultra at Frylands Wood Scout Outdoor Centre on 29th August 2026 where runners complete **four miles** every hour until one remains. The event is listed as sold out.

A mud and obstacle event near Dorking, Surrey with a permanent assault course and a variety of natural and man made obstacles. Race options include 5K and 10K and the event accepts solo runners, teams and charity groups.

Nottingham Running Festival at Nottingham Racecourse in Colwick Country Park features a Half Marathon, 10K, 5K and junior race, supports Nottinghamshire Hospice, and includes medals, free photos, chip timed results and an event village.

30 August 2026 in Alexandra Gardens Windsor offers 10K and half marathon routes with views of Windsor Castle. The event includes chip timing, free race photos and an event village.

A chip timed, multi terrain flat 10 km race around Pershore that starts at Pershore Leisure Centre and finishes in Abbey Park. Entry is online only, limited to 325 places and includes a medal, water and a plum for finishers.

Take on the Muntjac 15, a 15 mile trail around Danbury Essex with 1600 ft of climbing across scenic woodland and technical singletrack. Enjoy a well stocked checkpoint, a quality memento and bespoke local trophies.

Experience a scenic out and back trail run through the North Downs Way and Vanguard Way starting from Woldingham School. Complete one or two laps to finish the half or full marathon while enjoying expansive views of Kent and Surrey.

Experience a scenic trail run through the grounds of Shoreham Woods in Kent. This chip timed 10k event features woodland paths and supports the local environment and dementia research.

MacTuffX Bedford on 30 August 2026 at Barkers Lane features ten Xercises and ten runs (400m or 800m) with Solo, Doubles and Relay entry options; a LITE weight division and a detailed leaderboard are available.

Day nine of the Duck n Run Totally Quackers series on 30 August 2026 in Walton on Thames features timed laps on a flat riverside out and back course, with distances from a single 3.28 mile lap up to an ultra within seven hours.

A sunset trail event at Ickworth Park offering 5K and 10K routes across limestone paths, woodland and meadows. The 10K is chip timed, all finishers receive a medal and the event operates as cupless with water refill points.

Scenic mixed-terrain races along the River Thames at Remenham Farm on 5 September 2026, featuring a half marathon, a 10K and a junior race. The event offers chip-timed results, themed medals, race photos and an event village with food and d..

Test your endurance at a looped off road running event featuring 6, 12, and 24 hour challenges. Enjoy a community atmosphere with on site camping and options for solo runners or relay teams on a flat farm based course.

A Backyard Ultra at Hardwick Hall Estate where runners repeat a 4.16 mile loop every hour until only one remains. The route crosses estate trails, farmland and woodland with on site aid and first aid support.

A muddy obstacle course in Brentwood, Essex, offering 5 km and 1.5 km routes with mud, foam and achievable obstacles. Facilities include wash-downs, changing rooms and a finisher medal.