Trail Running calendar near Semington 2025-2026

Trails & Tarmac Backyard Ultra is held near Crickhowell in the Black Mountains, Powys. The course uses 4.2-mile loops of mixed trail and tarmac, with one gentle climb and a short steep section for a fast, runnable feel. The event follows an endless BYU format: each loop must be completed within one..

Salmon Run Ultra is a Wild Running event along the River Exe from Exmouth to Dulverton, featuring an ultra distance of 43 miles or a team relay option. The route follows the Exe Valley Way from sea to the salmon spawning grounds on Exmoor, offering rural scenery and river landscapes. The relay uses..

The Maverick X Series Afan Forest 2025 is a trail running event set in the scenic Afan Forest Park, South Wales. Offering four route options—Ultra (50 km, 1133 m elevation), Long (42 km, 970 m), Middle (25 km, 625 m), and Short (10 km, 232 m)—the course features a mix of hard-packed gravel trails an..

The Yard Trail Races, hosted at Chilton Manor Farm in Hampshire, offers participants two scenic routes: a 10k and a 10-mile trail run. Both routes begin and end on a historic avenue lined with 800-year-old Yew trees, providing stunning views. Runners are welcomed at the finish line by friendly marsh..

Hambledon Hilly takes place at Hambledon Vineyard in East Street, Hambledon, Hampshire (PO7 4RY). This is the 10th edition, moving to the vineyard—the first running event staged at England’s oldest commercial vineyard. The event offers five distances: 1km and 2km for youngsters, and 5km, 10km, and 2..

The Fraggle Run in Aberdare, hosted by Saturn Running, is a 7-hour time challenge event set in the scenic Dare Valley Country Park. Participants can choose their distance, starting from a minimum of 3km, with laps measuring approximately 4.37 miles (7km) on well-maintained footpaths offering beautif..

Conquest of Avalon is Albion Running’s late-season ultramarathon in Somerset, finishing in Glastonbury after a final ascent over Glastonbury Tor. The event offers two distances: 50 miles and 30 miles. The 50-mile route begins at Ham Hill Country Park and, about 20 miles in, joins the 30-mile path, t..

Centurion Running’s Chiltern Wonderland 50 is a 50-mile single-loop ultramarathon set in the Chiltern Hills, starting and finishing in Goring-on-Thames, Oxfordshire. The route climbs around 5,600 feet and traverses picturesque villages rich in history, including locations made famous by British film..

The Humanity Direct Tring Ultra is a one-day trail event on 20 September 2025, starting and finishing at Tring Cricket Club (HP23 5NG) in the Chilterns, Hertfordshire. Distances offered are: 50 km (full ultra, listed also as 31 miles) 27 km (half ultra) 10 km Ascent gain varies by distance, repor..

Doone Run is Ilfracombe Running Club’s 16 km (10 miles) trail race through Exmoor, tracing the traditional route from Watersmeet near Lynmouth, through the Doone Valley, to the Valley of the Rocks. In its 36th edition, the event remains a celebrated multi-terrain challenge, weaving coastal paths, wo..

BigSky Trails (AIR) is the finale of BigFeat Events’ Classic Element Trail Series, held at Hyde Common, Frogham, Nr Fordingbridge in the New Forest National Park. It offers 18-mile and marathon distances, starting near Hyde Common as dawn breaks and guiding runners over wide open plains and winding..

The Brown Clee Burn is a challenging 11-kilometer multi-terrain running event held in Stoke St Milborough, UK. The course features steep technical climbs, long descents, and offers stunning views, catering to a range of runners seeking a tough and scenic race. The event starts and finishes at the vi..

The Mells Scenic Race is a 7-mile running event held in the historic village of Mells, near Frome. The course features a mix of footpaths, bridleways, cycle paths, and quiet country lanes, offering a scenic route with some hills. The 2025 race follows the 2023 route, including a stretch along the cy..

Cirencester AC’s Chedworth Roman Trail offers two trail races set in the Cotswold countryside near Cirencester, Gloucestershire. The 10-mile (ish) single loop and a newly added 5-mile (ish) loop pass through Stowell Park, the Coln Valley, and close to the Chedworth Roman Villa. It’s a challenging mu..

The Creative Juices 10km takes place on 21 September 2025 at Creative Juices Brewing Company, Woodoaks Farm (Maple Cross, Rickmansworth WD3 9XQ). The event uses a trail route that starts and finishes at the brewery and runs mostly off road through woodlands, footpaths and bridleways. It is part of..

Cherhill Down Four Colour Local Event 2025, near Calne in Wiltshire, offers four colour-coded orienteering courses across open downland with copses, a hillfort and a prominent monument. Distances range from Yellow 2.2 km to Blue 6.0 km, with climbs up to about 225 m, catering to beginners through ex..

Silent Pool 10km is a guided trail run that starts and finishes at Silent Pool, Albury, near Guildford. The route follows North Downs Way sections and the Netley Heath forest, dipping into Shere and passing film locations from The Holiday and Bridget Jones Diary. It’s ideal for those new to trail ru..

The Fortitude Ultra - Denbies is an endurance running event held at the picturesque Denbies Wine Estate in Dorking, Surrey. Participants face the challenge of completing 10 laps of varying distances (approximately 3, 4, or 5 miles) within a 10-hour timeframe. Runners can adjust their chosen distance..

Chiltern 50 Ultra Challenge is part of Ultra Challenge’s UK trek and trail series, based at Henley Showground. It offers a 50 km loop (920 m ascent) and a 25 km option, plus a 10 km Chilterns route. The end-of-season course winds through the Chilterns’ historic trails, rolling hills, nature reserves..

North Downs Way Ultra Run is a 30-mile trail event starting and finishing at St Martha’s Hill, Guildford, Surrey. The route follows the North Downs Way westbound, showcasing the Surrey Hills with highlights such as Box Hill and a pass through Denbies Wine Estate before finishing at Newland’s Corner..