Trail Running calendar near Knettishall 2025-2026

The Three Shires Way Ultra & Marathon is a challenging running event set in the picturesque rural landscapes of Buckinghamshire, Bedfordshire, and Northamptonshire. Participants can choose between a 50-mile ultra and a marathon distance, both of which follow well-marked bridleways. The event is desi..

The Castle Bytham 5k Chase is a fun trail run that takes place during the Castle Bytham Midsummer Festival, a popular two-day event in Lincolnshire. This inclusive race welcomes participants of all ages and abilities, encouraging both runners and walkers to join in. The festival features a variety o..

Beyond London is a trail and ultra running event that invites participants to explore hidden trails in the capital. Offering two distances—25km and 55km—runners can experience iconic sights like Eltham Palace and Richmond Park while navigating the scenic Capital Ring footpath. The event is designed ..

The Triffic Trail is an annual running event held in the scenic Trent Country Park, Enfield, London. It features a variety of courses, including a 10 km senior race, a 4.5 km junior race for participants under 18, and a 4.5 km fun run for those under 12. The event caters to all levels of runners, fr..

The Dunstable Downs Half Marathon is a scenic trail running event set in the picturesque National Trust's Dunstable Downs estate. Scheduled for June 22, 2025, this challenging race features an entirely off-road route that spans 21.2 kilometers with an elevation gain of over 450 meters. Participants ..

The Chelmsford Brew Co Summer 10k Trail Run is a fun, non-competitive event scheduled for June 26, 2025. Participants will navigate a GPX/Strava route, with a checkpoint at the brewery where they can enjoy a drink and relax for up to 20 minutes. Entry includes a beverage at the brewery checkpoint an..

The Colworth Marathon Challenge is a unique running event held in the scenic Colworth Estate, North Bedfordshire, UK. Participants can choose to enter one, two, or all three races, which together total 26.2 miles. The event features a multi-terrain 5-mile race, an 8.1-mile cross-country trail, and a..

The Cock-a-doodle Dawdle is a running event returning for its second year at the scenic Hyde Hall Farm in Hertfordshire. Participants can choose from various distances, including 5k, 10k, Half Marathon, Full Marathon, and Ultra Marathon. The event features a trail course that combines tarmac paths, ..

The Full Essex Way Ultra is an 82-mile ultra-marathon that takes participants from Epping tube station in London to the historic port of Harwich. Scheduled for July 4-5, 2025, the event features a mixed terrain of trails, footpaths, tracks, and roads, with a total elevation gain of 3,469 feet. Runne..

The ATW Odyssey 12hr Run is an exciting multi-terrain running event held in St Neots, designed for participants of all abilities. This unique experience focuses on self-discovery as runners tackle physical and psychological challenges over a scenic 7km loop. Participants can compete solo, in pairs, ..

Fen Gallop 2025 is a running event taking place in Willingham, Cambridgeshire, featuring a 10km race and a shorter 4-mile option along scenic flat country roads, footpaths, and bridleways. The event also includes a kids' run organized by the Willingham School Association. Registration opens early in..

The Highwayman Trail Marathon is a unique narrative trail race set for July 6, 2025, in the picturesque villages of Thaxted, Great Sampford, and Hempstead, linked to the early life of Dick Turpin. The course is predominantly off-road, covering diverse terrains, and participants will navigate using w..

The Bishop's Stortford Mitre 10k, 5k, and 1K is a community-focused running event organized by The Bishop's Stortford High School, taking place on July 6, 2025. The event features professionally measured 10k and 5k routes through scenic East Hertfordshire villages, designed for runners of all ages a..

The Ultra:5K event returns for its ninth edition on July 13, 2025, at Box End Park in Kempston, Bedford. This unique running challenge features two options: the Ultra:5K Five, consisting of five 5K races over five hours, and the Ultra:5K Three, with three 5K races over three hours. Participants can ..

The Boudicca Way 50km Ultra is a beginner-friendly ultramarathon taking place in Norfolk, following the scenic Boudicca Way from Diss to Norwich. Scheduled for July 19, 2025, this event welcomes both runners and walkers, with a time limit of 10 hours to complete the course. The route traverses pictu..

The ATW St Albans Summer 10K is an exciting running event designed for the whole family, taking place in Highfield Park, St Albans. The event features a free family fun run, a warm-up session, live music, and various food options, including an ice cream van and a bar. Participants can enjoy a flat, ..

The Winwick Hall Trail Races feature fully marked and marshaled trail running events, including 10k and 5k races, as well as a 2k children's fun run. Set in the scenic Winwick Hall Estate, the races offer a mix of terrains, including grassland and country paths, with rewarding hills and descents. Th..

The Great Barrow Challenge, hosted by Zig Zag Running, is a 10-day running event taking place at the Suffolk Running Centre in Bury St Edmunds. Day 1 offers participants the chance to challenge themselves with various distances, including 5k, 10k, half marathon, full marathon, or ultra marathon. Eac..

The Great Barrow Challenge Day 2, hosted by Zig Zag Running, takes place at the Suffolk Running Centre in Bury St Edmunds. This event is part of a 10-day challenge, offering participants the flexibility to choose their distance, including options for 5k, 10k, half marathon, full marathon, or ultra m..

The Kennet & Avon Canal 145 Mile Race (KACR) is a non-stop ultra-running event taking place from Little Venice, London, to Bristol. Scheduled for July 25, 2025, this race follows scenic canal, river, and railway paths, offering participants detailed maps for navigation. Competitors, aged 20 and over..