Trail Running calendar near Walton-on-Thames 2025-2026

South Downs Way Ultra Run is a 30-mile trail event in West Sussex, starting and finishing on Harting Down. The route highlights the best of the South Downs Way, including Beacon Hill, Cocking Down and Kingley Vale, with sections through ancient woodland and nature reserves as it reaches toward the s..

North Chilterns 50K is Runaway Racing’s 50-kilometre trail ultramarathon based at Putteridge Bury Country House (LU2 8LE). The course follows the Chiltern Way toward Lilley, then Warden and Barton Hills, before heading to Pegsdon Hills and Offley, finishing with final 12 km. Runners enjoy undulating..

The Marlow Donkey is a challenge event on Sunday 12 October 2025, organised by LDWA - Thames Valley and based at Liston Hall, Chapel Street, Marlow, Bucks SL7 1DD. The routes run in the Chiltern Hills with a new figure-of-eight route centred on Lane End. The aim is to complete, on foot, a route of..

The Tarmac Twister Trail takes place on 15 October 2025 and is organised by Essex Trail Events. The route is approximately 6 miles and the minimum age is 16. The event holds TRA permit 7706. It is a self-navigation trail race using a written route description that will be issued on the night. The c..

The Gatliff Marathon is an annual cross-country challenge in Kent, Surrey and Sussex, organized by the COPSE Club (Croydon). Participants may choose 25km or 50km, walking, jogging or running mostly on footpaths and tracks. Each year features a different route; route descriptions and GPX files are pr..

Centurion Autumn 100 is a 100-mile continuous trail race based in Goring-on-Thames and Streatley. The course forms a cross from four 25-mile out-and-back spurs along the Thames Path and Ridgeway, converging at Goring. Legs run Thames Path to Little Wittenham, Ridgeway to Swyncombe Farm, Ridgeway to..

Herstmonceux 8km Trail Race is a picturesque off-road loop around Herstmonceux, centred on Herstmonceux Village Hall (BN27 4JX). The 8km course winds through fields, bridleways and woodland with views toward the South Downs; distance is approximate due to trail conditions and possible livestock. Ful..

Bedgebury Forest Half Marathon & 10K, organized by Nice Work Race Management, takes place at Bedgebury National Pinetum & Forest in Kent. The course offers traffic-free woodland trails through a pine canopy for two distances: half marathon and 10K. Described as challenging and scenic, the route weav..

White Horse Gallop is a roughly 12K off-road run held at Leighton Recreation Centre in Westbury, Wiltshire. The course traces bridleways and portions of the Imber Range, culminating in a close-up view of the iconic Westbury White Horse. Part of the Wiltshire Off Road Race League, the event awards a..

Viper 5 mile trail run (Autumn edition) is held near Ingatestone, Essex, at The Viper in Mill Green. The 5-mile loop traverses countryside on public rights of way and is run in the dark, using the same course as the spring edition. It’s a small-capacity event (50 places) with first-come, first-serve..

Running Tribe Races in Buckinghamshire, England, offers endurance events at two venues: Courses 1–3 at Chalfont Park Sports Club in Chalfont St Peter and Courses 4–6 at Chalfont St Peter Community Centre. Runners can choose, on the day, from 7k, 10k, 14k, Half Marathon, Full Marathon, or a 30- or 40..

Thames Trail Ultra is a 47-mile point-to-point ultramarathon along England’s longest river, from Hawkwell House Hotel in Iffley to the YMCA Y Centre in Henley-on-Thames. The route follows the Thames Path and Ridgeway National Trails, offering a mix of cross-country trails, riverside paths, and a sma..

The Beachy Head Marathon is one of the largest off-road marathons in the UK, renowned for its stunning and challenging course through the South Downs National Park. Formerly known as the Seven Sisters Marathon, it attracts runners, joggers, and walkers alike. The event features multiple distances, i..

Blackwater Marathon 2025, organized by the LDWA Essex & Herts Group, takes place on Saturday 25 October at Drapers Farm Sports Club, Heybridge, Essex. This 25th edition features two circular routes: 26.5 miles and 18 miles, run on cross‑country footpaths and seawall sections on the north side of the..

Epping Forest Wildwood Trail Series Half Marathon & 10K takes place in Epping Forest, London, with start/registration at Chingford Plain, Rangers Road, E4 7QH. Runners choose between a Half Marathon (two laps) or a 10K (one lap) through ancient woodland in autumn colors. The course blends well-maint..

Thames Path Trail Run takes place at Windsor Racecourse, Windsor, UK. The event offers two trail distances: 21km and 16km, with gentle elevation gains of about 66m and 50m respectively, along the scenic Thames riverbank and surrounding countryside. Runners begin at Windsor Racecourse and follow clea..

Stort30 is a 30-mile ultramarathon organized by Challenge Running, set on the Hertfordshire–Essex border along the River Stort and the Lee Navigation. The course is flat and mostly grassy, running 15 miles out and back from Bishop’s Stortford to the Rye House area, with a turnaround at the halfway p..

Trail Run Canterbury is a Canterbury-based trail and multi-terrain running event anchored at St Edmund’s School on St Thomas Hill. It offers three distances: 5.5, 10 and 20 miles. The route winds along trails around the edge of Canterbury, with countryside and woodland and views of the cathedral cit..

Irchester Spooktacular is a Halloween-themed night-time running event at Irchester Country Park. Runners can choose between a 5k night run or a 2k Family Fun Run, both on established woodland trails with two new routes created for the event. The courses are fully marked and marshaled by witches, wiz..

The Plough & Harroween 5 mile night trail run is a self-navigated, Halloween-themed event held at The Plough & Harrow in Litlington, East Sussex. The 5-mile route traverses countryside including forest, farm tracks and downs, following a Strava GPX and running in reverse to the Friston Forest 5 rout..