Trail Running calendar near Hertfordshire 2025-2026
We have found 355 Trailruns within 80 miles of Hertfordshire. See below where and when you can find the races.
We have found 355 Trailruns within 80 miles of Hertfordshire. See below where and when you can find the races.
The Andover Trail Marathon, held in North Hampshire at Kings Road, Enham Alamein, offers both a full marathon (26.2 miles) and a half marathon (13.1 miles) through scenic trails. The marathon route follows the Testway up to Coombe Gibbet, Hampshire's highest point, then returns via the Conholt estat..
The Hackpen Hill 10k Trail Run is an annual off-road event held near Weir Farm, Broad Hinton, Swindon, Wiltshire. Celebrating its tenth year, the race features a challenging one-lap course that traverses farm tracks, fields, mud, and rolling hills alongside the historic Ridgeway trail. Suitable for..
The Muntjac 15 is a trail running event held on September 7, 2025, featuring a 15-mile course that connects five beautiful woodlands. This race is ideal for runners who enjoy hilly terrain, wooded areas, and single-track trails, offering a scenic and challenging experience. With a limited number of..
The Coln Valley Charity Trail Run, held near Coln St Aldwyns and Bibury, offers 2km, 5km, and 10km trail distances suitable for all ages and abilities. Set in the scenic Coln River valley, the event features mostly grassy, undulating terrain with a mix of cross-country elements, including hay bale h..
The SOX 10km is a scenic multi-terrain running event held at the South Oxfordshire Brewery in Ipsden, UK. The course, suitable for all abilities and canicross participants, covers 10km with about 60% off-road terrain including trails, woodlands, fields, and local roads, featuring 141m of elevation g..
The Bradenham Blast is a highly regarded trail running event held in the scenic Chiltern Hills at Manor Farm, Bradenham, UK. It offers three distances: 5km, 10km, and a new half marathon, catering to runners of all abilities. The course features challenging hills, tranquil beech woodlands, rugged tr..
The Sufferings is a challenging trail running event held at Washington Village Hall in Pulborough, UK. The race features three distances: a half marathon, a full marathon, and a 39-mile ultra, all incorporating the toughest and most scenic tracks of the Chanctonbury and Cissbury rings. Participants..
The Farnham Pilgrim Marathon is a scenic and challenging running event held in Farnham, Surrey, starting from The Sands on Seale Road. The marathon offers spectacular views across the Surrey Hills, known for its hilly and multi-terrain course that tests runners' endurance. Alongside the full maratho..
The HAVOC Twilight Series 2025 No.1 in South Ockendon is a midweek street orienteering event featuring a traditional score format. Participants navigate a single course through streets, local parks, and woods, aiming to visit as many controls as possible within two time limits: Long (60 minutes) or..
The c2c Essex Ultra is a one-day ultramarathon event held along the Essex Riviera, offering participants the choice of 30 or 50 miles. The 50-mile route starts at Upminster Station, while the 30-mile route begins at Lansdowne Primary School in Tilbury, with both finishing at Thorpe Bay Station. The..
Thetford Back Yard Ultra is a competitive endurance running event held at High Lodge in Thetford Forest, Suffolk. Participants run a 4.167-mile loop every hour on the hour, continuing until only one runner completes a loop within the one-hour time limit. The course is a wide, flat, and well-signed r..
Bewl Water Autumn is a scenic bi-annual race series held near the Bewl Water Visitor Centre in Lamberhurst, Kent. The event features four distances: 10km, half marathon, marathon, and a 50km ultra, all following routes around the reservoir. The courses combine undulating rural wooded trails and quie..
Brighton 50/50 September 2025, organized by RunThrough UK, offers three trail distances—50 miles, 50k, and 23k—starting and finishing on Brighton Beach at Black Rock/Madeira Drive. The 50-mile route weaves from the beach through the South Downs to Beachy Head and back along the coastline, featuring..
The Thames Path Ultra Challenge is a premier endurance event held in England along the iconic River Thames, running from Putney Bridge in London to Henley-on-Thames. Participants can walk, jog, or run various distances including 100 km, 75 km, 50 km, 25 km, and a 10 km Henley loop. The course passes..
The Sudbury Trail Run takes place in Sudbury, a historic town in Suffolk, England, set along the River Stour and near its water meadows. The event offers multiple distances to suit all levels, with clearly marked routes and volunteer support along the course. Runners will traverse varied terrain, in..
Bradley Fell Race, a BOFRA Championship counter, takes place in Bradley Village, near Skipton, North Yorkshire. The 3.50-mile (5.60 km) course features about 800 ft (274 m) of climb, starting with a steady ascent up fields and tracks to High Bradley, then a steep climb to the top of Bradley Moor. Th..
The Sandridge 10k is a scenic trail running event set in the picturesque village of Sandridge, near St Albans. Participants can enjoy a beautiful 10k course that showcases the natural beauty of the area. The event is organized by Active Training World, and it promises a rewarding experience for both..
The Rye Ancient Trails 30K & 15K is a scenic steeplechase running event held in Rye, East Sussex, within the High Weald Area of Outstanding Natural Beauty. The race features challenging multi-terrain, hilly courses of 30 kilometers and 15 kilometers, winding through ancient trails, historic woodland..
The Run London Epping Forest Trail 10k is a popular running event scheduled for September 14, 2025, in the scenic Epping Forest, Chingford. Participants will complete a 10k course consisting of two laps through the forest, known for its rich biodiversity and beautiful landscapes. The race is designe..
The Takeley 10K is an off-road countryside race held in Takeley, near Bishop's Stortford, UK, primarily along the scenic Flitch Way. The 10-kilometer course is mostly off-road, featuring grass paths, bridleways, and a short stretch of road near the finish. The route is accurately measured and marked..