Trail Running calendar near Biddlesden 2026-2027

A Bath running event on 16 August 2026 featuring two long, lit railway tunnels and a programme from 500 m colourburst to ultramarathon and relays; proceeds support Sustrans.

Spartan South West is at Badminton Park on August 16 2026, featuring Sprint 5 km, Super 10 km and Beast 21 km obstacle courses plus a kids race and spectator access. Team entries and volunteer options are available.

A 10 km trail run at Ramsbury Brewery on August 16, 2026, mostly off road through trails and woodland. Canicross friendly, entries include a medal, a pint cup and a free drink.

Choose your own distance on a 3.28 mile out and back along Stroud Waterways canal with a one hour flexible start window and a seven hour maximum for the longest efforts.

A seven hour timed, lap-based run along the River Thames near Egham offering flexible distances from 3 km to 50 km, signed course, aid stations, medals, goody bags and distance pins.

A summer ultra on the Community Forest Path near Bristol with a 45 mile full loop and a 30 mile partial loop. The event features four checkpoints, bespoke finisher medals, timed tracking from 2026 and a mandatory kit list.

Trail half marathon and 10k at Carsington Water on 22 August 2026 with marked, undulating routes, marshals and an event village offering food, drink and partner goodies; discounted event t-shirts and volunteer roles are available.

Trail races at Wendover Woods feature a half marathon, 10k, 5k and junior race across steep woodland with 181 m of climb. Entries include a themed medal, free photos, chip timing and post race goodies.

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 30 km circular fell race around Belper on a chipped, fully signposted course that passes ancient Roman roads, farmland and woodland. Walkers and runners may enter; the route is not suitable for wheelchairs or dogs.

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 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 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 a 4.167 mile loop each hour until one remains. Onsite camping, showers and a small aid station are available for participants.

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.

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.