Trail Running calendar near Hainault Forest Country Park 2025-2026

The 'Rayne'ing Medals Anniversary Challenge is a running event celebrating six years of Hare & Tortoise Running, taking place on The Flitch Way in Rayne. Participants can choose from five entry options, including a marathon, 6-hour timed event, 5km, 10km, and half marathon. The course features 5km l..

The St Peters Way Ultra is a challenging 42-mile trail ultramarathon across the historic Essex countryside, starting from Chipping Ongar and finishing at the ancient St Peter-on-the-Wall chapel in Bradwell on Sea. This scenic route follows an ancient 7th-century pilgrimage path, passing historic chu..

BigMud Trails (EARTH) is the first event in the Classic Element Trail Series, celebrating the element of Earth. Set in the scenic Meon Valley at Queen Elizabeth Country Park, participants can choose between a 16-mile or marathon distance, both featuring challenging single-lap courses with significan..

The Pitsford Water Trail Races, organized by Race Harborough, take place at Brixworth Country Park in Northamptonshire. The event features fully marked and marshaled trail races over 10k and half marathon distances. The scenic courses traverse trails and tracks around Pitsford Water, with the half m..

Endurancelife Sussex offers a range of trail running events including 10K, half marathon, marathon, and ultra distances along the iconic coastal landscapes of Eastbourne and Seaford in the South Downs National Park. The courses feature the famous Seven Sisters chalk cliffs and stunning views of the..

The Leith Hill Half Marathon is a challenging cross-country race that takes participants from Dorking to the summit of Leith Hill, the highest point in south-eastern England, and back. Spanning 13.1 miles with an elevation gain of 1,800 feet, this event is celebrated for its stunning scenery and sup..

The Centurion Hundred Hills 50km is a scenic trail ultra marathon held in the Chiltern countryside, starting and finishing at the historic 850-year-old Stonor Park near Henley-On-Thames, England. The race features two distinct 25km loops, covering 50 kilometers with approximately 4,000 feet of eleva..

The Humanity Direct Amersham Ultra is a one-day endurance event set in the scenic Chiltern Hills, near Amersham, Buckinghamshire. Participants can choose from a 50km ultra marathon, a 25km half ultra, or a 10km race, all designed to challenge both body and mind. The event features fully marked route..

The High Lodge Half Marathon - Spring is a scenic trail running event held in Thetford Forest, known for its wildlife including fallow deer and wild thyme. This circular 13.1-mile course features a mix of hard-packed sand, grassy footpaths, and forest trails, suitable for both road runners and trail..

The Gratitude 25km is an exciting running event taking place in Broxbourne, UK. This race is designed for runners of all levels, promoting fitness and community spirit. Participants will enjoy a scenic route while challenging themselves to complete the 25km distance. The event emphasizes the importa..

The ZigZag 2026 Moo-rathon, Calf and Hen K at the Farm is a trail running event held at Hyde Hall Farm, SG9 0RU. Now in its third year, it offers multiple distance options including 10k, half marathon, full marathon, and ultra marathon. The course features a mix of tarmac paths, grassland, and trail..

Winter's End - 50 Mile Ultra & Marathon is a scenic trail running event held along the South Downs Way National Trail, starting near Arundel, West Sussex, and finishing in Winchester, Hampshire. The event features a 50-mile ultramarathon and two marathon options covering either the first or second h..

The Zig Zag Challenge is a multi-terrain running event held at Brandon Country Park in Suffolk, located in the heart of Thetford Forest. Participants run laps of a 5.3 km course featuring gravel footpaths and grass areas. The event offers a 6-hour or 4-hour timed format, allowing runners to complete..

The Testway Ultra is a challenging ultra marathon held in Hampshire, England, featuring 40 and 50-mile distances along the scenic Testway footpath. The route stretches from the chalky downs near the Northern Hampshire/Berkshire border to the southern town of Totton in Southampton, showcasing picture..

The Springtide 50k is an ultra running event held in the historic town of Arundel, West Sussex. The race features a single-loop course through the scenic South Downs, offering a runnable and non-technical route ideal for both beginners and experienced ultra runners. Participants enjoy stunning views..

The Rose of the Shires Ultra Marathon is a 54-mile circular race through Northamptonshire's scenic countryside, starting and finishing at Brixworth Country Park. The course features approximately 70% trails and 30% roads, including footpaths, country trails, roads, and canal towpaths, with an elevat..

The 50 Mile Grand Slam 2026, organized by Centurion Running, is a series of four challenging 50-mile ultramarathons held across iconic UK trails. The event includes the South Downs Way 50, North Downs Way 50, Chiltern Wonderland 50, and Wendover Woods 50, taking place between April and November 2026..

The Centurion South Downs Way 50® is a challenging 50-mile foot race held along the South Downs Way National Trail in England. The race starts in Worthing and finishes in Eastbourne, featuring an initial six miles of chalk footpaths and bridleways before joining the main trail at Chanctonbury Ring...

The Henley River Half Marathon, 10k & Junior Race takes place in Henley-on-Thames, UK, along the scenic banks of the River Thames. Scheduled for April 11, 2026, the event features a half marathon, 10k, and a junior race, all on mixed, undulating terrain with elevations of 98m for the half marathon a..

The Rosebud Marathon is a scenic 26.2-mile race held in Northamptonshire, England, featuring a mix of approximately 60% trails and 40% roads. Starting at Hartwell and finishing at Brixworth Country Park near Northampton, the course traverses beautiful countryside, including canal towpaths and 14 vil..