Trail Running calendar near Newhaven 2025-2026

We have found 266 Trailruns within 80 miles of Newhaven. See below where and when you can find the races.

The Les Virades de l'Espoir à Ambleteuse will take place in Ambleteuse on Sunday 28 September 2025. You can run between 6 and 50 kilometers.

October 2025

The London Ecotrail 25 Km is an exciting running event that takes participants through the scenic landscapes of Epping Forest. This eco-friendly trail run emphasizes sustainability and encourages runners to enjoy the natural beauty of the area while promoting environmental awareness. The event is de..

The Guided 50k Ultramarathon in New Alresford, Hampshire, offers participants a scenic running experience through beautiful trails, including sections of the Watercress Way and Oxdrove Way. This event is designed for those who have completed at least a 20-mile run in the past year and will be conduc..

The Guided 15 Mile Run in New Alresford, Hampshire, offers a scenic experience for runners looking to tackle the first loop of a 50k event. Participants can enjoy the beautiful trails of the Watercress Way and Oxdrove Way, starting and finishing in the charming market town of Alresford. This relaxed..

The Urban Trail d'Equihen will take place in Équihen-Plage on Saturday 4 October 2025. You can run between 10 and 20 kilometers.

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..

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

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..

The Burnham on Crouch 10K is an exciting running event organized by the Rotary Club of Burnham-on-Crouch and Dengie Hundred, scheduled for October 5, 2025. Participants will enjoy a scenic, flat, single-lap course that features coastal paths along the Dengie peninsula and trails through open country..

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 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 Trail des Hautes Falaises - Sassetot-le-Mauconduit will take place in Sassetot-le-Mauconduit on Sunday 5 October 2025. You can run between 9 and 19 kilometers.

Kent Downs 50 Challenge is an Ultra Challenge event based at the Kent Showground, Maidstone, in the Garden of England. The main 50 km loop (about 1000 m elevation) loops anticlockwise around the Kent Downs, starting on the North Downs Way to Blue Bell Hill, passing Aylesford, then following the Rive..

UTMB Index

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..

UTMB Index

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..

The Frieth Hilly 5km & 10km is a challenging mixed-terrain running event held in the scenic Chiltern Hills near Frieth, between Marlow and Henley-on-Thames, about 35 miles from central London. The race features winding woodland paths and country roads, offering stunning views throughout the course...