Trail Running calendar near Portsmouth 2025-2026

The Spitfire Scramble is London's only 24-hour trail running event, held at Hornchurch Country Park, the historic site of RAF Hornchurch. Participants can compete solo or in teams of two to eight, aiming to complete as many 5.75-mile laps as possible within 24 hours, from midday Saturday to midday S..

The Bewl 15 Mile & 5 Mile is a scenic and challenging trail running event held at Bewl Water in Sussex, organized by Wadhurst Runners. Celebrating its 25th anniversary, the race features multi-terrain routes including quiet country lanes and lakeside paths, offering stunning views and a vibrant comm..

The Chiltern Ridge Half Marathon is a scenic trail running event set along The Ridgeway National Trail in Buckinghamshire. Scheduled for July 6, 2025, this challenging race covers a distance of 21.1 kilometers with an elevation gain of 526 meters. Starting and finishing in Wendover, participants wil..

The Newman Hilly 5 - Elvis #4 will take place in Chigwell on Wednesday 9 July 2025.

Hazelbury Hurrah! is a popular multi-terrain running event held in Corsham, Wiltshire, organized by Corsham Running Club. Scheduled for July 11, 2025, it features a main race of approximately 6 miles (10 km) that traverses varied terrain including muddy, hilly, and technical sections around Hazelbur..

Race to the Stones is the UK's largest ultramarathon, taking place along the historic Ridgeway, leading participants to the ancient Avebury Standing Stones. Scheduled for July 12-13, 2025, the event offers a challenging 100km route that can be completed non-stop or over two days, with a basecamp for..

The North Downs 50 Ultra Challenge is a supported endurance event set in Surrey, UK, offering a 50 km looped route through the scenic North Downs and Surrey Hills. Participants can walk, jog, or run, with options for 25 km and 10 km distances, starting and finishing at Guildford. The event features..

The Thackray Williams Sevenoaks 7 is a celebrated running event taking place in Knole Park, Kent, marking its 30th edition in 2025. This challenging 7-mile race features scenic trails with hills and twists, appealing to both competitive runners and casual participants. Additionally, a 3.5km chip-tim..

The Surrey Hills 10km is a guided trail run set in the stunning landscapes of the Surrey Hills, starting near Guildford. Participants will experience a scenic route that includes a climb up St Martha's Hill, offering panoramic views, and a descent through the picturesque Tillingbourne Valley. This e..

The Hughenden Valley 10K is a popular trail running event organized by Runaway Racing, set around the scenic Hughenden Manor estate near High Wycombe. Scheduled for July 19, 2025, the race features a challenging 10-kilometer course through woodland and rural trails, with significant elevation change..

The Pewsey Vale Ultra is an exciting new running event featuring a challenging 125km loop through the picturesque Wiltshire countryside, following the Pewsey Vale Circular walk route. Participants will experience a total ascent of 1902m, with the course well-marked and supported by checkpoints every..

The Humanity Direct Chiltern Challenge is a one-day ultra running event set in the scenic Chiltern Hills, offering distances of 10 km, 25 km, and 50 km. Participants can walk, jog, or run through well-marked routes that showcase the area's natural beauty, with checkpoints providing water and food. T..

The Hughenden Valley Half Marathon is a scenic trail running event set in the picturesque surroundings of Hughenden Manor and its woodlands. Scheduled for July 19, 2025, this half marathon covers a challenging 21.1 km route featuring hilly terrain and beautiful woodland trails. Participants can expe..

The Maverick X Series Chilterns 2025 is an exciting trail running event set in the picturesque Stonor Park, known for its historic manor house and ancient deer herd. Participants can choose from four challenging routes: Ultra (52 km), Long (42 km), Middle (22 km), and Short (12 km), all featuring st..

BigHeat Trails (FIRE) is the third event in the Classic Element Trail Series, celebrating the element of Fire. This trail running event features two challenging single-lap courses through the scenic landscapes of Thursley and Hankley Commons, with options for a 16-mile run or a marathon distance. Pa..

The ATW St Albans Summer 10K is an exciting running event designed for the whole family, taking place in Highfield Park, St Albans. The day kicks off with a free family fun run, followed by activities in a vibrant event village featuring a kids zone, live music, and refreshments from the Cow Juice C..

The Surrey Slog, also known as the Holmbury Hill Challenge, is a challenging trail half marathon set in the picturesque Surrey Hills. Scheduled for July 20, 2025, the event features a hilly, multi-loop cross-country course primarily on tracks around Holmbury Hill. Participants can choose between a f..

Bright Skies - Surrey Hills is an exciting daytime trail running event featuring a half marathon, 10-mile, and 10K races, along with 1K and 2K kids' races for ages 3-12. Set in the picturesque Surrey Hills, the course offers a scenic and challenging route through the Denbies Wine Estate. This event,..

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 Ashdown Forest 10 & 5 Mile Series is an eco-friendly running event taking place at Pippingford Park, featuring two races designed to provide an exhilarating experience in a sustainable environment. The first race is scheduled for July 20, 2025, followed by a second race on January 25, 2026. Part..