Trail Running calendar near Irchester 2025-2026

P24 - The Longest Attended Day is scheduled for Saturday 20 June 2026 at Denbies Wine Estate in Dorking, Surrey (RH5 6AA). The format requires participants to run 1 mile at the same time each hour, repeated 24 times across 24 consecutive hours on an off-road trail through the wine estate. The event..

The Centaur 100 Mile Ultra, hosted by Phoenix Running, is a unique 100-mile trail running event held at Denbies Wine Estate in Dorking, Surrey. Designed for both seasoned ultra runners and first-timers, the race features a flat-ish, single 1-mile loop course through the scenic wine estate trails. Pa..

The Phoenix Denbies Marathon & Half Marathon, held at Denbies Wine Estate in Dorking, Surrey, offers a unique off-road trail running experience on a flat-ish 1-mile loop with slight inclines. Scheduled for June 2026, the event features flexible start times over a 30-hour window, allowing participant..

Three Shires Way Ultra & Marathon is Race Harborough’s event, offering a 50-mile Ultra and a Marathon along the Three Shires Way through Buckinghamshire, Bedfordshire and Northamptonshire. The routes run through rural landscapes and woodlands, with a well-marked bridleway for navigation. The Ultra s..

The Midsummer Munro will take place in Walton on the Hill on Sunday 21 June 2026. You can run 13 miles.

The Summer Solstice Challenge - Colchester will take place in Colchester on Sunday 21 June 2026.

Run Sandringham 10K & 5K, staged by Good Running Events, welcomes hundreds to Sandringham Estate in Norfolk for a dual-distance race. On Sunday 21 June 2026, runners start and finish inside the estate, with routes offering countryside and views of the Royal House. The course combines trails (about 3..

Dunstable Downs Half Marathon is a scenic trail race set in the National Trust’s Dunstable Downs estate. In its sixth edition (2026), the 21.2km course with about 450m of ascent mixes ridge views, fast descents and climbs. The route begins at the National Trust Countryside Centre, visits Tree Cathed..

The Martian Race is scheduled for 21 June 2026 at Horsell Common, Woking, Surrey. The event is organised entirely by volunteers and proceeds are distributed to local charities selected by the Woking Lions. The 2025 event raised over £20,000 for local charities. The race is in its seventh year and t..

The Colworth Marathon Challenge is a three-day running event held on the Colworth Estate in North Bedfordshire, UK. The event comprises three separate races that together total the marathon distance of 26.2 miles. It is scheduled across three consecutive days in late June 2026 and includes free cam..

The Zigzag Cock-A-Doodle Dawdle is a trail running event held at the exclusive Hyde Hall Farm in Hertfordshire (SG9 0RU). Returning for its third year, it offers multiple distance options including 5k, 10k, 15k, Half Marathon, Heavy Half Marathon, Full Marathon, and Ultra Marathon. The course featur..

The RunThrough Marlow Trail Run is scheduled for Sunday 28 June 2026. The event base is Marlow Rugby Union Football Club, Riverwoods Drive, Marlow SL7 1QU. Group bookings for six places are listed at £150. Half Marathon - £32 (+£12 for event T-shirt) 10K - £28 (+£12 for event T-shirt) 5K - £26 (+£..

TrailFest - Salcey Forest takes place on Sunday, 28 June 2026 at Salcey Forest (postcode NN7 2HX), a Forestry England site near Northampton. The event offers four distances: 10K Half marathon Marathon 50 km The routes use similar sections of the forest and follow well maintained pathways. There..

The Full Essex Way Ultra is an 82-mile ultra-marathon along the full Essex Way trail. The route starts at Epping tube station and finishes at the high lighthouse in the port of Harwich. The event is scheduled for 3-4 July 2026. The course uses mixed terrain: trail, footpath, track and road. Total e..

Birmingham Black Country Half Marathon is a point-to-point race from Wolverhampton City Centre to Brindley Place in Birmingham. It covers the half marathon distance along canal towpaths, offering canal-side scenery with a hint of trail. The largely flat course includes locks, bridges, and the memora..

Peak District Challenge, part of Ultra Challenge’s series, takes place in the Southern Peak District around Bakewell, Derbyshire. The event offers several distances: 100 km Full (with a two-day daylight option), 50 km, 25 km loops, and a 10-mile Bakewell option. The route forms a scenic figure‑of‑ei..

The Bishop's Stortford Mitre 10k, 5k, and 1k is a community road race held in East Hertfordshire, starting from Jobbers Wood sports ground near Much Hadham. Open to all ages and abilities, the event features professionally measured 10k and 5k courses on traffic-free country lanes with gentle undulat..

Cannock Chase Forest HM & 10k is a summer running event set in Cannock Chase Forest, Staffordshire, offering a Half Marathon (Half Forest) and a 10k on forest trails that are described as hilly. The course provides a challenging yet accessible option for runners of all abilities and makes a strong t..

Fen Gallop 2026 is a scenic running event held in Willingham, Cambridgeshire, featuring flat, multi-terrain courses along country roads, footpaths, and bridleways. Participants can choose between a 10K race or a shorter 4-mile option, both offering chip timing. The event welcomes runners aged 15 and..

Chiltern Ridge Half Marathon is a 21.1km trail race along The Ridgeway National Trail in Buckinghamshire, starting and finishing in Wendover. The course runs from Wendover to Whiteleaf Hill Nature Reserve near Princes Risborough, with a forested loop en route before returning to the start. It is a f..