Trail Running calendar near Guildford 2025-2026

The Valley Park Tour of the Woods is a unique 10 km trail race set in the picturesque woodlands of Chandler's Ford, Hampshire. This event, organized by Chandler's Ford Swifts Running Club, features a mixed terrain course divided into five stages, allowing participants to rest between segments withou..

The Surrey Slog, also known as the Holmbury Hill Challenge, is a challenging trail running event held in the scenic Surrey Hills near Peaslake. The race features a hilly, undulating multi-loop cross-country course primarily on tracks around Holmbury Hill, with well-marked routes and marshalled key p..

The Ashdown Forest 10 & 5 Mile Series is an eco-friendly trail running event held at Pippingford Park Manor in East Sussex. This two-race series offers 10-mile and 5-mile distances across undulating, multi-terrain forest trails featuring picturesque scenery. Designed to provide a guilt-free, sustain..

BigHeat Trails (FIRE) is the third event in the Classic Element Trail Series, held at Rother College in Midhurst, Surrey. Inspired by the element of fire, this trail running event offers two challenging single-lap distances: a marathon and a 16-mile run. The course features winding dusty tracks, sun..

Stately Trails: Aske is a running event set in the picturesque grounds of Aske Hall, a Georgian country house located near Richmond, North Yorkshire. Participants can choose between a 5km or 10km race, traversing beautiful trails that include pasture fields, farm tracks, and woodlands. The course is..

The Kennet & Avon Canal 145 Mile Race (KACR) is a challenging non-stop ultra running event held in the UK, covering 145 miles from Little Venice, London, to Bristol. The route follows easy-to-navigate canal, river, and railway towpaths, including the Grand Union Canal, Jubilee River, Thames Path, Ke..

The Maverick X Series East Sussex 2025 is a trail running event held at Stanmer Park near Brighton, East Sussex. It offers five routes ranging from a 6 km sprint to a challenging 50 km ultra, all featuring hilly, hard-packed trails suitable for all levels. The course includes scenic sections of the..

The White Horse Gallop is a circular half marathon trail running event that begins and ends on the Ridgeway, showcasing the scenic beauty of National Trust sites, including Ashdown House and the historic White Horse Hill. The course features an "undulating" route, providing a challenging yet enjoyab..

The 3 Brewers 10km is a scenic trail running event held at the 3 Brewers Brewery, located on a farm in the Hertfordshire countryside near Hatfield. This multi-terrain race features a 10km undulating course that includes local trails, woodland, nature reserves, and country lanes, with about 70% off-r..

The Westfield 7.5km Trail Race is a scenic trail running event held at Westfield Community Hall in the UK. The course features a mainly off-road loop that follows the renowned 1066 Country Walk for the first 3km, passing landmarks like the Bayeux Tapestry-inspired Farbanks Henge sculptures, then ret..

The Bembridge Trail 5 is a 5-mile trail run held in Bembridge, Isle of Wight, featuring an undulating circular route through scenic countryside. Starting and finishing at the Bembridge Youth & Community Centre, the course passes through Bembridge Marshes, Centurions Copse, Peacock Hill, and returns..

The Trifarm Summer Trail 10k is a scenic trail running event held at Trifarm in Boreham, Chelmsford, Essex. This race is part of the 2025 Trifarm trail seasonal series and features a mostly off-road course, with over 95% of the route on public footpaths and bridleways. The 10k run follows an anti-cl..

Ashtead Park Summer Series 2025 is the final event in a four-part summer evening orienteering series organized by MVOC, held in Ashtead, Surrey. The event offers two course options: a 60-minute score course for experienced participants, where runners choose which controls to visit within an hour, an..

The Wendover Woods 10k, part of the "Race The Light" event, is a trail running race held at Wendover Woods, HP22 5NQ. The race features a challenging 10km course with over 250 meters of elevation gain, fully marked and marshalled on smooth woodland trails with a mix of hills and descents. There is a..

The Round the Rock will take place in Morden on Saturday 2 August 2025. You can run 46 miles.

The Orion Harriers Forest Five Series is a running event held at Jubilee Retreat, featuring a 5-mile race through forest terrain. Established in 2009 to support the Orion Harriers clubhouse, the 2025 series includes three races on Saturday mornings in June, July, and August. The third race also serv..

Sussex Loops is a challenging walking and running event held at Forest Row Village Hall in East Sussex. Participants can choose from four distances: 12, 18, 25, or 31 miles, each consisting of up to three loops exploring the scenic Ashdown Forest and surrounding countryside. The course features sign..

The Guided 10K Pub Run will take place in New Alresford on Sunday 3 August 2025. You can run 10 kilometers.

The Vanguard Way Marathon is a scenic running event held near Croydon, starting from East Croydon Station, about 20 minutes from central London. It offers both a full marathon (26.2 miles) and a half marathon (13.1 miles), following part of the Vanguard Way National Trail, a 66-mile route stretching..

The Harting Multi-Terrain '10' is a challenging 10-mile race held at the War Memorial Sports Ground in South Harting, West Sussex, within the scenic South Downs National Park. Organized by Liss Runners volunteers, the event features a tough course over private lanes, gravel tracks, bridleways, and f..