Trail Running calendar near Hemel Hempstead 2025-2026

We have found 361 Trailruns within 80 miles of Hemel Hempstead. See below where and when you can find the races.

The Shere 42k, 21k & 10k Multi Terrain Event is a trail running series held in the scenic Surrey Hills, an Area of Outstanding Natural Beauty. The event offers three distances: a 10k route with 123m ascent through woodlands, a new 21k half marathon featuring parts of the North Downs and Ranmore with..

The Victoria Park Summer Series will take place in Ashford on Saturday 6 September 2025. You can run between 60 and 60 text.unit_min.

The South Coast Challenge will take place in Eastbourne on Saturday 6 September 2025. You can run between 16 and 63 miles.

UTMB Index

The St Albans Stampede - 12hr Enduro is an ultra marathon held in the scenic Hertfordshire countryside, featuring parts of Heartwood Forest and Nomansland Common. Participants aim to cover the greatest distance by running multiple four-mile loops within a 12-hour period. The event accommodates solo..

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 Woodchester Trail Challenge is a demanding, approximately eight-mile trail race held in Woodchester Park, Gloucestershire (postcode GL10 3TS). Designed for experienced trail runners, the course features hilly woodland tracks and must be completed within a 2.5-hour cutoff. The event offers compet..

The SOX 10km is a scenic multi-terrain running event held in the South Oxfordshire countryside, starting and finishing at the South Oxfordshire Brewery taproom. The course covers 10 kilometers with about 60% off-road terrain, including trails, woodlands, fields, and local roads, featuring an elevati..

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 Westonbirt Arboretum Summer 2025 running event takes place at the National Arboretum in Westonbirt, Tetbury, UK. Participants can choose from distances including 1 mile, 5km, 10km, and a half marathon, all set on a scenic course featuring over 2,500 tree species across five national collections...

The Farnham Pilgrim Half Marathon is a challenging trail half-marathon set in the Surrey Hills around Farnham, with The Sands opposite Farnham Golf Club serving as the event hub. The mostly off-road, multi-surface course winds through scenic countryside with outstanding views and a notably hilly pro..

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 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 hosted near the Bewl Water Visitor Centre, Lamberhurst, Kent. The event offers four distances: 10km, half marathon (13.1 miles), marathon (26.5 miles), and an ultra (50km / 31.25 miles). The course winds around the Bewl reservoir along a mix of und..

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..

UTMB Index

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..

UTMB Index