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.

Take on the London to Brighton Ultra on 23 and 24 May 2026, a scenic 100 km trail from Richmond to Brighton with about 1500 m of climb across the North and South Downs. Shorter distances, one and two day formats and camping are available.

Beat The Sunset 50km in Maidenhead is mainly off road, a flat single lap along the Thames Path and Jubilee River for a scenic ultramarathon. Chip timing, live tracking, feed stations and a finisher medal make it welcoming.

Take on the Rocky at 50 Run Wales, a relaxed 7 hour time challenge at scenic Dare Valley Country Park where you pick your distance from a 3 km minimum up to 50 km. Finishers earn themed medals and enjoy tasty aid station treats.

Take on the Ridgeway Challenge, an 86 mile point to point trail race along Britain’s ancient Ridgeway from Ivinghoe Beacon to Avebury. Tackle the full route in 28 hours for a true long distance test across rolling chalk downland and prehist..

UTMB Index

Run the scenic Southampton Common, winding through woodland, ponds and parkland with half marathon, 10K, 5K and junior races. Enjoy marshalled routes, a lively event village with food and partner stalls and optional event T shirt.

June 2026

Join a guided trail half marathon through the scenic Surrey Hills, starting and finishing in Guildford with climbs past St Martha's Hill and stretches of the North Downs Way. Run as a friendly group not a race, led by an experienced ultra r..

Event overview The event takes place on Friday, 05 June 2026 as a 7 hour timed challenge. Participants may run any distance they choose within the time limit. The minimum distance to be an official finisher is 3 km. The normal lap length is..

Tackle 40 miles of the Wales Coast Path from Porthcawl to Penarth, passing golden beaches, cliffs and Ogmore Castle. No time limits and strong support let you relax and earn a Pegasus medal.

Run the Brecon Beacons at Midnight Mountain Marathon on June 6, 2026, starting in daylight and finishing under the stars, so some may need a torch. Take part in Marathon, Half Marathon or Bergen pack races and earn a medal and a mug of tea.

Run along the shoreline from Bournemouth Pier toward Boscombe on sand and over groynes, choosing 5K or 10K routes with lovely sea views. Great for all abilities, with marshalled support and a relaxed coastal vibe.

Run through two lit railway tunnels beneath Bath on routes from short fun runs to ultra distances. Starts and finishes at family friendly Brickfields Park and each entry supports Sustrans, making it a memorable community day out.

Explore the Purbeck coast with BigSea Trails WATER, a single lap trail that starts on Knoll Beach and takes in Corfe Castle, Kimmeridge Bay and Old Harry Rocks. Expect rugged coastal scenery and varied terrain for a memorable day on the tra..

Take on a stunning 50km trail ultramarathon along the South Downs chalk ridgeway, finishing at Queen Elizabeth Country Park. Expect rolling hills, wide views and solid on course support in this World Trail Majors stage.

Run the scenic Cotswold Way from a Cirencester basecamp on 13 and 14 June 2026, choosing a full 100 km loop or shorter trail distances to suit every level. Expect rest stops, GPS tracking, medical and massage teams, plus camping and caterin..

Tackle 15 miles of the historic Offa's Dyke path around Hay on Wye in a scenic and challenging trail race. Friendly atmosphere and relay option make it perfect for solo runners or teams seeking a memorable summer run.

Challenge the South Downs Way 100, a nonstop 100 miles along the chalk ridge from Winchester to Eastbourne with rolling hills, ancient forts and coastal views. Organised by Centurion Running, the race offers aid stations and a 30 hour limit..

Take in sweeping views from Watership Down on scenic trails with marathon, half and 10K options. Enjoy chip timing, a finisher medal, goody bag and a keepsake beer glass while supporting Hampshire and Isle of Wight Air Ambulance.

Tackle scenic but hilly forest trails at the Wendover Woods Half Marathon and 10k on 14 June 2026, with a friendly junior run and on the day entries if available. Spectators can enjoy a cafe, forest walks and family activities.

Run the dramatic Cheddar Gorge on trails across the Mendip Hills, from a fun 1k up to a full marathon, with cliff top views, meadows and rugged rock underfoot. Finishers of 6km and longer earn a two sided event medal.

Run the Jurassic Coast World Heritage Site on 20 to 21 June with self navigated multi distance races from Poole to Exmouth. Enjoy scenic coastal trails, live GPS tracking and well stocked aid stations for a professionally managed challenge.