Trail Running calendar near Harwell 2025-2026

The Run to the Sea Bournemouth Ultramarathon is a scenic 50km point-to-point race held from Moors Valley Country Park to Hengistbury Head in Bournemouth. The course features a mix of flat terrain, forest trails, and coastal paths, offering a varied multi-terrain experience ideal for both beginners a..

Run to the Sea Bournemouth is a 50km ultramarathon featuring a flat, scenic, and well-organized point-to-point course from Moors Valley Country Park to Hengistbury Head. The route includes diverse terrain such as forest trails, the Castleman Trailway, and coastal paths along Bournemouth’s stunning s..

The London Epping Forest 50 Km will take place in London on Saturday 4 October 2025. You can run 50 kilometers.

Purbeck Weekend in Dorset features two orienteering events on 4–5 October: Studland Dunes at Studland Heath, including an Agglestone Heath excursion; and Durlston Country Park with complex thickets on the Jurassic Coast. Courses range White to Brown, with Studland Dunes offering up to 8.0 km Brown a..

Bolt Round the Holt is a trail running event held at Alice Holt Forest in Hampshire, featuring distances of a half marathon, 10k, 5k, and a junior run. The course consists of undulating forest trails with picturesque, sun-dappled scenery, offering a challenging yet scenic experience. The 5k route fo..

Back for a ninth time, the DirtRun Wyre Wizard Trail Half Marathon & Super Seven takes place at Wyre Forest’s Callow Hill Visitor Centre in autumn 2025. The event offers two options: a 13-mile Wyre Wizard Trail Half Marathon and a 7.6-mile Super Seven for a shorter challenge. The course winds throug..

Steeple Barton Chase is an annual running event held at Barton Abbey, midway between Oxford and Banbury in Oxfordshire, near the A4260. The programme includes a 10K race, a 5K option for runners, and an inclusive Family Fun Run around the cricket ground. The undulating course combines country lanes,..

Dovedale Dash is an iconic cross-country race of about 4.75 miles, held in the Thorpe area near Ashbourne in the Derbyshire Peak District. The course runs mainly along field paths and open ground through the valleys of the River Dove and River Manifold, offering scenic countryside and a notable rive..

The Charnwood Challenge 2025 is an off-road running and walking event near Loughborough. The main 10-mile course winds through the Charnwood countryside, offering a rural trail experience for adults and older youths. A 1-mile Junior Challenge is also held (open to all ages) with on-the-day entry.The..

The Monross Trailblazers - Blaze the Biblins is a trail running event held on October 5, 2025, at Biblins Youth Campsite near Doward, Ross-on-Wye, within one of Britain's finest Areas of Outstanding Natural Beauty (AONB). Covering approximately 6 miles (10k), the course features a mix of climbs, fla..

Situated at Wyre Forest, Callow Hill Visitor Centre near Kidderminster, DirtRun Wyre Wizard Trail Half Marathon & Super Seven takes place in the Autumn 2025 edition on 5 October 2025. The event offers two distances: a 13‑mile Wyre Wizard Trail Half Marathon and the 7.6‑mile Wyre Wizard Super Seven f..

The Thames Meander Autumn is a scenic riverside running event held in Richmond, starting from the Petersham & Ham Sea Scouts HQ. It features three flat, fast, and well-marked out-and-back trail routes along the Thames Path: a 10km, a half marathon, and a marathon. The 10km route turns around at Kew..

Rushmoor Wellesley 10k is a community‑organised running event in Aldershot, Hampshire, starting and finishing near the historic military town. The flat course runs mainly along Wellesley Woodlands footpaths and the Basingstoke Canal towpath, finishing in the Military Athletics Stadium. It’s run by B..

The Barrows and Downs event, organized by And Over Trail Events, is a marathon and half marathon set in the historic southern Salisbury Plain in Wiltshire, England. Participants run among ancient barrows dating back to 3500 BC, enjoying scenic views of the Wiltshire Downs. Both race routes start and..

Cowdray Autumn Trail Run returns to the Cowdray Estate near Midhurst, West Sussex, on 11 October 2025. The event offers three distances: 5km, 10km and 10 miles, with race HQ at Cowdray Farm Shop & Café (parking there). Most of the routes are on bridleways, footpaths, the Serpent Trail or Sussex Diam..

Run the Wild Half Marathon – Autumn Edition is a 13-mile (21 km) trail half marathon set in the Chiltern Hills, starting from The Home Office in Tring. The course climbs about 300 meters across undulating chalk hills and through local woods, offering scenic views and a true trail-running experience...

RunThrough Trails Beat Box Hill returns on Saturday 11 October 2025 at Box Hill Trail, Tadworth (KT20 7LB), Surrey. The event offers two scenic trail distances – 21k and 50k – along the iconic Box Hill with challenging gradients and mixed terrain. The 50k route features about 1,364 meters of elevati..

North Chilterns 50K is a 50-kilometre trail ultra starting from the Putteridge Bury Estate near Luton. The route climbs 798m+ across the North Chilterns, offering undulating ridgelines and viewpoints at Warden Hill and Barton & Pegsdon Hills. Runners follow the Chiltern Way toward Lilley, out to War..

The ATW Holdenby House Trail & Canicross event takes place on the historic 2,000-acre Holdenby Estate in Northamptonshire, featuring a scenic 5.4 km traffic-free trail through estate grounds and surrounding farmland. Participants can choose from 5k, 10k, or half marathon distances, with laps corresp..

The Marlow Donkey is Thames Valley LDWA’s two-route challenge walk based at Liston Hall, Marlow, in Buckinghamshire. Entrants may tackle 16 miles or 25 miles, within maximum time limits of 8 or 9.5 hours respectively. The walk winds through the Chiltern Hills, with a new year’s route featuring a fig..