Trail Running calendar near Guildford 2025-2026

The Rugged Radnage 10K Run, held in the Chiltern Hills near Radnage village, offers a challenging mixed-terrain course featuring roads, trails, footpaths, woods, and fields with notable ascents and descents. The event includes both 5K and 10K distances, with the 5K covering half of the 10K route. It..

Roly's Run is an annual trail running event held in the scenic Meon Valley and South Downs Way, Hampshire, in memory of ultra-runner Rich Walklate (Roly). The event offers three distance options: 15.5, 21.5, and 40 miles, featuring challenging ascents and approximately 80% trail terrain. The courses..

The Broadway Marathon is a challenging running event set in the picturesque northern Cotswolds, known for its hilly and muddy terrain. Licensed by the TRA and adhering to UK Athletics rules, the marathon is open to participants aged 18 and older. The event promises stunning scenery, making it a uniq..

The 5th Sundon Saunter is a walking and running event held in Barton-le-Clay, UK, on November 16, 2025. Participants can choose from three distances: 13 miles (walkers only), 18 miles, and 27 miles, passing through undulating countryside, woods, fields, tracks, and some roads, offering scenic views..

The Devil's Punchbowl 10k is a guided trail run held in the scenic Devil's Punchbowl, a natural amphitheatre located in Hindhead, Surrey. This 10km route features challenging hills and beautiful trails, offering runners spectacular views, especially during sunset or night runs. The event is designed..

The Dormouse Challenge is a 6-hour running event held at the award-winning Salcey Forest near Northampton, England. Participants run multiple laps of a 3.5-mile off-road loop through well-maintained forest paths, with terrain consisting mainly of crushed stone and forest floor, offering a natural tr..

The Petzl Night Trails 10K at Salcey Forest is a unique night-time trail running event held near Northampton. Participants run a fully marked, two-lap 10-kilometer course on crushed stone paths through the flat woodland of Salcey Forest, guided only by their head torches. The event emphasizes the us..

Dark Valley, Night Trails is an exhilarating night-time running event hosted by BigFeat Events at Moors Valley Country Park. Participants can choose from 10km, 20km, or 30km looped trails, all set amidst the enchanting woods of Dorset. Runners will navigate the course using headtorches, guided by fl..

The RunUk Kingston 10k is a scenic running event starting and finishing at the Kingston Hawker Centre in Surrey. The course takes runners through the streets of Kingston and along the picturesque river towpath, offering a vibrant atmosphere supported by local organizations. Participants receive a fi..

The ATW Wendover Woods Trail Run & Canicross is an exciting event set in the picturesque Wendover Woods, offering participants a chance to challenge themselves on scenic trails. Scheduled for November 23, 2025, the event features various distances, including a 5K, 10K, and Half Marathon trail run, a..

The Serpent Trail Ultra Run is a 30-mile trail running event starting and finishing in Haslemere, Surrey. It showcases some of the best sections of the Serpent Trail and the Sussex Border Path, featuring hilly terrain through lush fields, ancient woodlands, rare heathland, and scenic valleys. Ideal..

The New Forest Stinger is an annual 10-mile multi-terrain trail running event held in the scenic New Forest at Ocknell Campsite, Fritham, near Lyndhurst. Organized by Totton Running Club, the race features an undulating course that follows approved trails and paths, offering some of the best views i..

The Wittering Beach Run is a popular running event held at West Wittering Beach, Chichester, known for its natural, unspoilt Blue Flag beaches. The race offers three distances—15km, 10km, and 5km—catering to all abilities, including new runners. The scenic course features stunning views of Selsey Bi..

The Wallop is a scenic 21k trail run held within the Farleigh Wallop Estate in Hampshire. The course features a diverse mix of narrow woodland paths and wide gravel tracks that wind through forests and open land, offering runners an immersive natural experience. This half-marathon event is fully mar..

The Box Hill Vertical KM is a challenging guided trail run located in Box Hill, Dorking, Surrey. Covering approximately 12.5 miles with an elevation gain of around 1000 meters, the course is designed to maximize climbing over a short distance without repetitive hill reps. Runners traverse diverse te..

The Maverick Exposure Lights Dark Oxfordshire is a unique night trail running event held at Stonor Park, nestled in the Chiltern Hills by the River Thames. Participants can choose from three challenging routes: 17 km (long), 12 km (middle), and 7 km (short), all set within the estate known for its w..

The Maverick Original Oxfordshire is a trail running event held at the historic Stonor Park near Henley-on-Thames, Oxfordshire. Set within the Chilterns Area of Outstanding Natural Beauty, the race offers three routes: 22 km (long), 12 km (middle), and 7 km (short), featuring challenging terrain wit..

The Riverside Marathon & Half Marathon, organized by Phoenix Running, takes place in Walton on Thames, Surrey, along the scenic River Thames towpath. This event features UK Athletics certified, accurately measured courses with no elevation gain, making it a flat and fast route ideal for runners seek..

The Surrey Hills Half Marathon is a guided trail running event based in Guildford, Surrey, offering a scenic 13-mile route through the picturesque Surrey Hills. Runners experience stunning landscapes including St Martha's Church and hill, the village of Shere, and panoramic views from Newlands Corne..

Winter on the Downs is an ultra-running event featuring two single-loop races of 55 miles and 100 miles, set in the scenic trails of East and West Sussex. Starting and finishing in Eastbourne, participants will traverse iconic landscapes, including Beachy Head and the Seven Sisters. The 55-mile rout..