Trail Running calendar near Grafham 2026-2027

A ten day running series in Walton on Thames from 22 to 31 August 2026 offering daily themed rubber ducks and ten giant spinning ducky medals, with distances from 5 km to ultra and certified out-and-back routes along the Thames towpath.

A circular 30 km fell race around Belper with chip timing and full route signage. The course uses footpaths, bridleways, public roads and parts of the Midshires Way and is open to walkers and runners.

Combined half and full marathons run through Richmond Park on 23 August 2026, using a lap route from Sheen Gate that follows the Tamsin Trail with aid stations and finishers receiving a medal, mug and buff.

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, passing Great Yeldham and the mighty oak, finishing on the Cymbeline meadows. Aid stations are placed about every 10 km and the event is cupless.

On 23 August 2026 at Whitwell and Reepham Railway Station, runners can choose a 5 km or 10 km route along Marriott's Way. The event supports Keeping Abreast charity, offers a medal for every finisher, and is not timed.

A ten kilometre trail run on 23 August 2026 using the original predominately anti clockwise route, with a limited edition event T shirt included and results posted within 48 hours.

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.

London Backyard Ultra at Frylands Wood Scout Outdoor Centre on 29 August 2026 asks runners to complete *four miles* each hour until one remains. The event includes parking for one car, hot showers, water, drinks, snacks, and photography.

An outdoor mud and obstacle assault course near Dorking, Surrey, with a permanent course and over 100 natural and man made obstacles. Distance options include 5 km, 10 km or multiple laps for solo runners, teams and charities.

A six hour looped trail event on an approximately 5.45 km route in an AONB near LN11 0RX. Runners choose how many laps to cover; a single aid station and a refillable cup are required, entries open to those aged 18 and over.

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.

The Plum 10k is a recurring 10 kilometre race run by Pershore Plum Plodders, with results recorded across multiple years and the next listed date on 30 August 2026. The race is part of the club's wider programme of runs and events.

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 at Barkers Lane is a functional fitness race of ten Xercises with running, offering Solo, Doubles and Relay entries across 400 m and 800 m formats and a LITE weight option.

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.