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.

Race to the King on 20 June 2026 invites runners to explore the South Downs and Monarch's Way at West Dean Gardens, with coastal and castle views. Distances from 30 to 100 km include full support, food stops and a hot finish meal.

Event overview P24 - The Longest Attended Day is scheduled for Saturday 20 June 2026 at Denbies Wine Estate in Dorking, Surrey (RH5 6AA). The format requires participants to run 1 mile at the same time each hour, repeated 24 times across 24..

Run a marathon or half at scenic Denbies Wine Estate, tackling a compact looped trail through vineyards with flexible start times and full chip timing. Enjoy a relaxed vibe and a Phoenix Running Community 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.

Run a scenic point to point trail through Buckinghamshire, Bedfordshire and Northamptonshire with a 50 mile ultra or a marathon, both finishing at Marlow Park, Grafham Water. Waymarked routes, aid stations and medals for all finishers.

Run the Martian Race at Horsell Common on 21 June 2026 and follow routes through the sandpits immortalised in H.G. Wells The War of the Worlds. Volunteer organised and charity focused, with distances for all ages.

Take on the Dunstable Downs Half Marathon, a scenic 21.2 km trail with steep climbs and panoramic countryside views. Limited to 300 runners, this rugged UTMB World Series qualifier promises a memorable off road challenge.

UTMB Index

Celebrate the season finale at Cowdray Estate with scenic routes across polo lawns, Ambersham Common and views of the Cowdray Ruins and South Downs. Canicross options, a kids run and post race BBQ and bar make for a festive family finish.

Enjoy scenic Thames Valley trails at Marlow Rugby Club with 5K, 10K and Half Marathon options on well marked off road courses. Chip timing, free race photos and a themed finisher medal make this a fun, sustainable event for all abilities.

July 2026

Join a guided 10km trail run around the Devil's Punchbowl in Hindhead, enjoying rolling hills and a scenic pause with great views. This friendly group paced run is led by an experienced guide and runs at sunset or by headtorch in winter.

Event overview The SATURN Midweek Chasing Numbers event takes place on Friday, 3 July 2026 at Wraysbury Skiff & Punting Club, Egham (TW20 0AE). It is a 7 hour Time Challenge with flexible start times available throughout the day. The ev..

Take on the Serpent Trail in the South Downs on 4 July 2026, with routes from 10 km to 100 km across heathland, ancient woods and chalk hills. Camping, coach transfers, food and a licensed bar make it a perfect weekend for runners and walke..

UTMB Index

Run a scenic Half Marathon from Wolverhampton to Brindley Place along canal towpaths and through a 360 m tunnel on a flat route. Chip timed waves, early entrants may get personalised bibs, finishers receive a medal, T shirt and goody bag.

Join the PIGUM on July 4, 2026 in Abergavenny for a 30 mile mountain trail ultra with about 5,000 feet of climbing, taking in Sugar Loaf and ridge country. Expect fully stocked checkpoints, friendly crew support and no time limit.

On 5 July 2026 the Chiltern Ridge Half Marathon offers a scenic off road challenge along The Ridgeway near Wendover, with rolling climbs and woodland views. Entries are limited to 350 runners so book early for this memorable trail experienc..

UTMB Index

Explore Thursley Common on a guided 10km trail run, a notably flat route with a scenic boardwalk and plenty of birdlife and dragonflies. Enjoy a friendly group atmosphere with kit to try and optional post run refreshment.

Take on the Swan Challenge on July 10, 2026 at Coombe Abbey Park: a six hour event where you complete as many 3.3 mile laps as you can. Enjoy flat park paths, support Roald Dahl Charity, and pick a medal or tree token.

Run the Summer 10k at picturesque Coombe Abbey Park, a scenic two lap trail through woodland and meadows with a mix of grassy and rooty footing. Choose a tree token instead of a medal to plant a tree and support wildflowers.

The The Maverick Chilterns Trail will take place in Wendover on Saturday 11 July 2026. You can run between 10 and 51 kilometers.

Run the Ridgeway to the Avebury Standing Stones in Race to the Stones, with 50 km and 100 km options including a two day format. Scenic trails, marked course, pitstops and full support make this a bucket list ultramarathon.