Trail Running calendar near Hertfordshire 2025-2026

The Ashdown Forest 10 & 5 Mile Series is an eco-friendly trail running event held at Pippingford Park Manor in East Sussex. This series features two races—10 miles and 5 miles—across undulating, multi-terrain park and forest trails that showcase picturesque scenery. Designed to offer a guilt-free, s..

The Stonehenge Stomp is a popular walking and running event organized by the City of Salisbury Athletics & Running Club, held near the iconic Stonehenge site. Participants can choose from fully marked trail distances of 5 km (family-friendly), 10 km, 20 km, 30 km, or 40 km, all offering scenic views..

The Fitstuff G3 Series No.2 is a running event held at Hound House Road, Surrey GU5 9JG. Participants can choose between 10km and 15km race distances. The start line and parking are conveniently located in a field off Hound House Road, marked by flags and signs for easy navigation.The event offers b..

The Lavenham 10K Race is a scenic trail run held in the historic medieval village of Lavenham, Suffolk. The course covers 10 kilometers of mixed terrain, including footpaths, forest trails, shallow streams, and quiet rural roads, following the old disused railway line. This multi-terrain route offer..

The Peddars Way Ultra Marathon is a 48-mile race through the historic landscapes of Suffolk and Norfolk, starting at Knettishall Heath Nature Reserve and finishing at Holme-next-the-Sea on the Norfolk Coast. The course follows an ancient Pre-Roman trading route and former Roman road, featuring a mix..

The Bedgebury Forest 10 and 5 Mile is a scenic trail running event held at Bedgebury National Pinetum and Forest in Kent. Featuring multi-terrain, undulating courses, the race offers 10-mile and 5-mile distances suitable for various fitness levels, along with a junior run for younger participants. R..

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 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 Hibernal Hills 50 Miles is a winter ultra running event held at Queen Elizabeth Country Park in Horndean, Hampshire. This single-loop race covers 50 miles with approximately 6,400 feet of elevation gain, featuring runnable but undulating terrain with some long, challenging hills. The course foll..

XTERRA Matterley is an off-road racing 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 a..

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 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...

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..

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 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..

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. 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..

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..

Endurancelife Sussex offers a scenic trail running event featuring 10K, half marathon, marathon, and ultra distances along the iconic coastal landscapes of Eastbourne and Seaford, adjacent to the South Downs National Park. Runners experience challenging terrain with rolling chalk cliffs and forest p..