Trail Running calendar near Chiltern Hills 2025-2026

Hankley Common 10km is a guided trail run starting and finishing at Hankley Common Lower Car Park in Elstead, Surrey. The 10km route winds through scenic woodland on Hankley Common and features a wartime Atlantic Wall replica at the Lion’s Mouth, built by Canadian troops for D-Day training; the area..

The Zigzag - Windmill Way Wander is a multi-distance running event held at the Suffolk Running Centre in Bury St Edmunds, UK. Participants can choose from 5k, 10k, half marathon, full marathon, or ultra distances, all following the scenic Windmill Way route. The course is entirely on road, featuring..

Riverbank Rollick 2026 is a 9.6-mile race organized by Thornbury Running Club in Thornbury, Bristol. The route combines trails, bridle paths, fields, woodland, a stream and a riverbank, with 80% on rough terrain, and mud is common in January. It opens the 2026 Riverbank Rollick Race Series, with med..

Arundel & SDW Winter Trails 2026 is a double gold-rated trail event along the South Downs, finishing in Arundel. Runners choose between a marathon along the South Downs Way from Heyshott to Arundel (featuring river runs, rolling fields, and a Gurkha Suspension bridge) and a 15-mile option that detou..

The Crocodile Challenge is a 6-hour running event held at Ryton Pools Country Park near Coventry in Warwickshire. The course is a runnable, relatively flat 3.3-mile loop around pools and open pasture with crushed stone paths and some minor rises. Participants can complete as many laps as they wish w..

Stonehenge Stomp, organized by the City of Salisbury Athletics & Running Club, is a non-competitive walking event held near Stonehenge in Wiltshire. The 36th edition is scheduled for Sunday 25 January 2026. Participants can tackle 10, 20, 30 or 40 km on fully marked trails (all routes offer Stonehen..

Set in Moors Valley Country Park & Forest near Ringwood, Dorset, the Moors Valley Wildwood Trail Series Half Marathon & 10K offers two woodland trail routes. Participants can choose the Half Marathon (two laps) or the 10K (one lap) across forest gravel paths. The event is fully marked with aid stati..

Organized by RunThrough UK, Windsor Trail Run takes place at Alexandra Gardens, Windsor, with a backdrop of Windsor Castle. Held on Sunday 25 January 2026, the event offers a flat, scenic trail course suitable for both 10K and Half Marathon distances. Runners enjoy well-marked trails, steady elevati..

Ashdown Forest 10 & 5 Mile Series: Race Two is the second in Nice Work's eco-friendly two-race series held at Pippingford Park Manor, Nutley, East Sussex. The event offers 10-mile and 5-mile trail races on hard-packed paths and forest trails through Ashdown Forest, featuring hilly sections and pictu..

The Longbridge 100 Backyard Ultra is a last-man/woman-standing race staged at Longbridge Farm Barns near Litlington in Alfriston, England. Each loop is 4.2 miles and begins on the hour, with competitors required to be inside the corral when the bell rings, continuing until only one runner remains ab..

G3 Series – G3 no.2 is a running event held at a field off Hound House Road, Surrey GU5 9JG. Runners can choose between 10km and 15km distances, with the start line and car park clearly signposted by flags and signs. Entry remains open until 29 January 2026. A notable feature is the bundled discount..

The Lavenham 10K Race is a scenic trail run held in the historic medieval village of Lavenham, Suffolk. The course covers 10 kilometers of mixed terrain, including footpaths, forest trails, shallow streams, and quiet rural roads, following the old disused railway line. This multi-terrain route offer..

The Bedgebury Forest 10 and 5 Mile is a scenic trail running event held at Bedgebury National Pinetum and Forest in Kent. Featuring multi-terrain, undulating courses, the race offers 10-mile and 5-mile distances suitable for various fitness levels, along with a junior run for younger participants. R..

Devil's Punchbowl 10km is a guided trail run around the Punchbowl in Hindhead, Surrey. The 10km route follows scenic trails with several hills, run at a group pace rather than a race. It suits those new to trail running or who prefer running with others, especially at dusk or night.Top views are pau..

Squirrel Challenge takes place at Daventry Country Park, NN11 2JB, Welton Road, UK. It’s a sociable, six-hour trail event for runners and walkers of all abilities to move at their own pace. The course is a 3.3-mile off-road loop (mostly crushed stone) that you can repeat as many times as you wish wi..

The Westonbirt Arboretum Winter Night Race is an exciting running event set in the stunning National Arboretum, featuring over 2,500 tree species. Participants can choose between 5km and 10km routes, which showcase the arboretum's diverse landscapes and solid terrain, providing a unique blend of tra..

UK Ultra's Hibernal Hills 50 Mile is the season opener held at Queen Elizabeth Country Park, Hampshire. This ultramarathon covers about 50 miles on 99% trail, 1% road, with 6,400 feet of ascent and descent and undulating hills throughout. The route starts via the Staunton and Monarchs Ways, then cli..

Pilgrim Challenge is a two-day 66-mile or one-day 33-mile ultramarathon along the North Downs Way in Surrey. The start is at Sandy Farm Business Park in Farnham, and the route winds through countryside, villages and rolling downs with about 2,374 meters of ascent. The course is fully marked with sig..

The Westonbirt Arboretum Winter Day Race is a scenic running event set in the stunning National Arboretum, featuring over 2,500 tree species. Participants can choose between a 5km or 10km race, with routes that showcase the beauty and diversity of the arboretum's landscape. The event is designed to..

The Cold Norton Charity Winter 10K & Half Marathon Trail Event is a winter charity trail run in Essex, raising funds for Farleigh Hospice. Held at Charity Farm, Crows Lane, Woodham Ferrers, it offers 10K and 13.1-mile routes run mainly on grass, tracks and rural paths around Woodham Ferrers. The cou..