Trail Running calendar near Marshfield 2026-2027

A Pretty Muddy 5k obstacle event at Royal Windsor Racecourse on 30 May 2026, featuring muddy obstacles to climb, crawl and slide. Participants must be 13 or older; there is a minimum fundraising target and on-site support and facilities.

A 6.4 km fell race at Calon y Cwm camping, Cilycwm, with 244 m ascent on a partially marked route through fields, wet forest, tracks and rocky ground. Entry on the day £7; minimum age over 16.

The Otmoor Challenge will take place in Horton-cum-Studley on Saturday 30 May 2026. You can run between 10 and 21 kilometers.

Races at Southampton Common include Half Marathon, 10k, 5k and a junior race on a multi-lap course through woodland, wetlands and parkland, with kilometre markers, marshals and an event village offering food and partner giveaways.

A roughly 7 mile coastal race from Blue Anchor to Minehead and back along the coast path beside the West Somerset Steam Railway, run on sand, grass and tarmac with water stations, first aid, a finisher medal and a free T-shirt for early onl..

The Blaise Blazer will take place in Filton on Monday 1 June 2026. You can run 6 kilometers.

A guided 13-mile trail half marathon around the Surrey Hills, starting and finishing in Guildford, with routes that include St Martha's Church, Shere, Newlands Corner and parts of the North Downs Way. Group run format, not a race, cost £25.

Join this two lap 10km trail race at Kinver Edge featuring local tracks with plenty of elevation changes. This event supports canicross runners and offers a no frills racing experience in a scenic outdoor setting.

Experience a 40 mile ultra marathon along the stunning Wales Coast Path from Porthcawl to Penarth. This supported journey features dramatic cliffs, ancient castles, and scenic coastal trails with no strict time limits.

Trail races in the Brecon Beacons on June 6 2026, offering marathon and half marathon options plus weighted bergen editions. Runners move from daylight into night and may need a torch.

A 24-hour relay at Wasing Park, Reading on 6–7 June 2026 with Solo, Pair, and Team entries on an 8 km trail lap, event camping and an event village, plus charity entry options and tiered team pricing.

A sold out Backyard Ultra at Chilton Manor Farm near Chilton Candover, Hampshire. Runners repeat a 4.16666 mile loop each hour until the last runner completes a lap.

An 85-mile ultra organized by Epic Endurance Events in the United Kingdom, scheduled for 6 June 2026. The listing gives the event name, date, organiser, and distance but no course or logistics details.

Test your endurance at MacTuffX Sutton Coldfield with 400m and 800m interval repetitions. Choose between solo entries, doubles, or relay teams for this intense fitness event designed for participants aged 18 and over.

A 12 hour backyard ultramarathon at Bakehouse in Bristol on 6 June 2026. Participants run one lap each hour on 3 km, 4 km, 5 km or 6 km loops, with bike and row erg options available, raising funds for Andy's Man Club.

Trail running and rucking in the Mendip Hills near Winscombe on June 6, 2026. Choose 8 km or 14 km, race in Pro or Open categories, and use a provided GORUCK Rucker 4.0 for ruck entries.

An obstacle 5k through Prospect Park, Reading on Saturday 06 Jun 2026, featuring climbing, crawling and sliding across grass, slopes and woodland. The event lists entry fees, a minimum fundraising target and on-site facilities plus a finish..

The Wychwood Fun Run will take place in Fifield on Saturday 6 June 2026. You can run between 5 and 8 kilometers.

Races in Bath run along the Two Tunnels shared path, passing the Devonshire Tunnel 408 m and Combe Down Tunnel 1,672 m. Distances range from 500 m fun runs to a 50 km ultra with relay and multiple route options.

BigSea Trails (WATER) is the water-themed event on the Isle of Purbeck, with single-lap coastal and hill routes from Knoll Beach. Four distances run to landmarks such as Corfe Castle and Old Harry Rocks with stocked aid stations and mandato..