Trail Running calendar near Semington 2025-2026

We have found 388 Trailruns within 80 miles of Semington. See below where and when you can find the races.

Tackle the Black Cattle Ultra in South Wales, a rugged point to point adventure finishing near Castell Coch. Choose 33 mile or 44 mile routes through mountains, wooded vales and villages, organised by the Ridge Runners community.

Join the Plum 10K on 30 August 2026 in Pershore, a friendly community race hosted by Pershore Plum Plodders. Enjoy a welcoming vibe and strong club support from one of Worcestershire's established running clubs.

Run through Alexandra Gardens with views of Windsor Castle at the Windsor Trail Run on 30 August 2026. Choose a 10K or half marathon, enjoy chip timing, free race photos and a lively event village.

September 2026

Run along the River Thames at Temple Island Meadows with half marathon, 10K and junior races supporting Royal Berks Charity. Enjoy mixed undulating trails, finisher medals, chip timing, free photos and a lively event village.

Take on the Joust Races 2026, a friendly 24 hour multi lap running challenge at Top Barn Camping with a well marked, mostly flat loop and a lively campsite atmosphere. Enter solo or with a team for a memorable endurance weekend.

Take a guided 30 mile run along the dramatic Jurassic Coast, passing Corfe Castle, Kimmeridge Bay and Old Harry Rocks. This hilly, non competitive adventure is ideal for experienced trail runners seeking scenic, supported miles.

Take on the RIDUM 30 mile trail ultra around the ridge tops near Cardiff, with about 4,252 feet of climbing and sweeping south east Wales views. Enjoy fully stocked checkpoints, race crew support and a finisher medal.

Enjoy a scenic riverside run in Ross on Wye with 5K and 10K chip timed races plus a 500 m fun run for kids. Flat multi terrain routes may include grass and mud, every finisher gets a medal and prizes await top finishers.

Guided 10km evening trail run around Silent Pool, following the North Downs Way through Netley Heath to Shere. Sunset and headtorch night runs are social guided outings not races, ideal for fit trail runners.

Experience the Isle of Wight Fell Race Series in Ventnor on 12 and 13 September 2026, with three scenic, challenging races from a 3.8 km junior climb to a 21 km classic. Organized by Ryde Harriers, the weekend hosts the SEAA Fell Running Ch..

Run scenic trails in the Surrey Hills at Farnham Pilgrim on 13 September 2026, with hilly routes and great views. Pick a half or full marathon and enjoy friendly marshals, water stations and a lively finish at The Sands Recreation Ground.

Join the Alf Shrubb Memorial 10k and 5k in Slinfold, a friendly trail race through West Sussex countryside finishing at Slinfold Cricket Club. Chip timing, medals, cakes and a licensed bar make it a lively community fundraiser supporting lo..

The Relentless is a looped ultra near Bridgend on 18 September 2026 with 50 mile and 100 mile options over repeated 10 mile laps and big climbing. Limited to 25 runners per distance, the race features a well stocked hub for aid and crew.

Push your limits in the Trails & Tarmac Backyard Ultra near Crickhowell in the Black Mountains, running a roughly 4.2 mile loop that starts every hour. Be the last to complete a full loop to win and hit 32 miles to claim an ultra medal.

Run the Cotswold Way Century, 102 miles of scenic, very hilly trail from Chipping Campden to Bath. Take up to 32 hours with aid stations, live tracking and a buckle for finishers.

Take on a 6.7 km loop at Wyre Forest with Lone Wolf Birmingham, running one lap each hour and as many laps as you like up to 24 hours. Wooden trophies and medals await finishers, with a cafe and relaxed event atmosphere.

Chiltern Wonderland 50 is a single loop 50 mile trail from Goring on Thames that tackles 5,600 ft of climb along the Ridgeway and Thames Path, promising a tough and scenic day in the Chiltern Hills. Well marked course and five aid stations..

UTMB Index

Run a scenic 47 mile route from Chipping Campden to Painswick along the Cotswold Way, with rolling hills and varied trails. Support stations, live tracking and a finishers medal help you tackle the 15 hour challenge.

UTMB Index

Event overview The Bradenham Blast takes place on Sunday 20th September 2026 and offers three trail distances: 5km 10km Half Marathon (21.1km) Routes run through beech woodland and across the Bradenham Estate in the Chiltern Hills, which..

Something To Talk About is a technical trail race at Avon Tyrrell in the New Forest with a Grade I manor house as a scenic backdrop. Run looped 3.28 mile laps and choose distances from 5K up to an ultra. Medals for anyone completing a loop.