Trail Running calendar near Aylesbury 2025-2026

The Squirrel Challenge is a 6-hour running event held at Daventry Country Park, United Kingdom. Participants run multiple laps of a 3.3-mile off-road loop featuring crushed stone paths through tranquil woods, open grassland, and alongside calming waters. The course is mostly firm and suitable for al..

The Hibernal Hills 50 Miles is a season-opening ultra running event held at Queen Elizabeth Country Park in Hampshire. This single-loop race covers 50 miles of predominantly trail terrain with approximately 6,400 feet of elevation gain, featuring runnable but undulating paths with some significant h..

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..

The Pilgrim Challenge is a renowned ultra marathon held along the historic North Downs Way in the UK, offering participants the choice to run or walk either 33 miles in one day or 66 miles over two days. The course features stunning landscapes, picturesque villages, and areas of outstanding natural..

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..

XTERRA Matterley is an off-road sporting event held at the scenic Matterley Basin in Hampshire, United Kingdom. Scheduled for February 14-15, 2026, it offers a variety of race formats including duathlons and trail runs suitable for athletes of all levels. The duathlon races feature distances such as..

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 43-mile ultramarathon across Essex, starting from Chipping Ongar and finishing at Bradwell on Sea, at the UK's oldest chapel. The course follows an ancient pilgrimage route over 1,500 years old, passing through historic villages, numerous churches, and scenic Essex count..

The Hadleigh Legacy 10k is an award-winning trail running event held at Hadleigh Country Park in Essex. Known for its challenging and exhilarating course, the race features a single lap of approximately 10 kilometers over undulating terrain with tough hills, mud, and iconic kissing and latch gates...

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 ZigZag - Thetford Festival of Running takes place at High Lodge in Thetford Forest, Brandon. This intimate event offers multiple race distances including 5k, 10k, Half Marathon, Full Marathon, and Ultra Marathon, all run on a mainly flat 5km loop course through pathways, trails, and woodland wit..

The Two Tunnels Races, taking place in February 2026, offer a unique running experience through Bath's historic underground tunnels, the longest of their kind in the UK. Participants can choose from a variety of distances, including ultra marathons, half marathons, 10km, 5km, and family-friendly Col..

The Badger Challenge is a 6-hour trail running event held at Beacon Hill Country Park in Leicestershire, UK. Participants run multiple laps of a 3.3-mile off-road loop featuring a challenging course with an uphill first half and a downhill second half, offering stunning panoramic views. Runners can..

Capers and Canines in the Colliery is a trail running event held at Rabbit Ings Country Park in Barnsley, South Yorkshire. Participants tackle a 5-mile lapped course featuring a short, steep climb that offers scenic views of the surrounding countryside. The event takes place during late spring, prov..

The Fitstuff G3 Series No.3 is a running event held at Newlands Corner, Drove Road, Guildford, Surrey. Participants can choose between 10km and 15km race distances. The event offers a scenic course starting and finishing at Newlands Corner, with parking available on-site.Runners can also opt for bun..

The Pitsford Water Trail Races, organized by Race Harborough, take place at Brixworth Country Park in Northamptonshire. This event offers two fully marked and marshaled trail races: a 10k and a half marathon. The 10k provides an ideal introduction to trail running, while the half marathon presents a..

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 half marathon course features a mix of hard-packed sand, grassy footpaths, and forest trails, offering a multi-terrain challenge s..

The Hannington Hike will take place in Hannington on Sunday 8 March 2026.

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 Humanity Direct Amersham Ultra is a one-day endurance event held in the scenic Chiltern Hills near Amersham, Buckinghamshire. Participants can choose from three distances: 10km, 25km (half ultra), or the full 50km ultra marathon. The course starts and finishes at Dr Challoner's Grammar School an..