Trail Running calendar near Dunstable 2026-2027

Experience a scenic run through the historic Richmond Park on this UK Athletics Affiliated course. Choose between a half or full marathon distance following the trails and private roads of London’s largest Royal Park.

A trail run entirely within Richmond Park offering half marathon and marathon distances, a route past the White House and park lakes, and on-course drinks and feed stations.

A self navigation marathon along the Colne Valley Path from Stambourne Village Hall through Great Yeldham to the Cymbeline meadows in Colchester. Aid stations are provided about every 10 km and the event is cupless.

MacTuffX Portsmouth on 23 August 2026 offers solo, doubles and relay formats with ten 400 m or ten 800 m repeats. Entries are for those aged 18 and over and fees vary by category for participants and teams.

A 10 km trail race on 23 August 2026 using the original predominantly anti-clockwise route. Entries include a limited edition T-shirt; runners must carry a mobile with ICE and wear their race number visibly for time recording.

A last person standing backyard ultra at Gosfield School in Essex where runners repeat *4.167-mile* loops each hour until one runner remains. The event includes camping, showers, a small aid station and a prize for the winner.

A Backyard Ultra at Frylands Wood Scout Outdoor Centre on 29 August 2026 where runners complete four miles each hour until one remains; the event includes medals, a winner trophy, showers, limited parking, rest space and on-site snacks.

An obstacle mud run near Dorking in Surrey on a permanent year-round assault course, featuring muddy trails, water sections and climbing challenges. Distance options include 5 km, 10 km and a 7 km assault course; teams and charity entries a..

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.

Experience a flat trail run through the scenic Alexandra Gardens with stunning views of Windsor Castle. Choose between 10k and half marathon distances with chip timing and free race photos included in a historic UK setting.

An England Athletics affiliated club in Pershore, Worcestershire, Pershore Plum Plodders runs weekly parkrun meetups and Plod Nights, operates a members-only kit shop, and organises the annual Plum 10k with published results for recent year..

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.

A trail and rural road event around Woldingham, offering a 13.1 mile lap used once for the half and twice for the full marathon, with sections on the North Downs Way and Vanguard Way and a finish at Woldingham School.

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 features individual and team formats using 10x400m and 10x800m leg structures. Entry is for participants aged 18 or older and fees vary by category.

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 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 follow the Thames from Remenham Farm, with a Half Marathon, a 10K and a junior out and back. Entries include chip timed results, a themed medal and free race photos.

Mud Tribe is a muddy obstacle course in Brentwood with 5 km and 1.5 km options, family-friendly obstacles and on-site amenities such as wash-downs, changing rooms and finisher medals. The event includes a female-only wave and supports group..

A series of runs at Westonbirt Arboretum in Sept 2026 and Feb 2027, offering distances from 1 mile to half marathon on solid forest paths, with marked courses, feed stations, event medals and age‑based entry rules.