Trail Running calendar near Hertfordshire 2026-2027

An inflatable obstacle 5 km at Kempton Park in South London on 3 October 2026. The 2026 edition is presented as an Inflatable 5K course and participant feedback notes positive family experiences and a five-star rating.

A 50 km point-to-point ultra from Moors Valley Country Park to Hengistbury Head with mixed forest and seafront terrain, GPS route files, four feed stations, tracking options and on-course medical support.

Experience an ultra distance eco trail through the ancient woodlands of London. This event takes runners on a 50 km journey starting from Capel Road into the natural paths of Epping Forest.

Hit the trails at London EcoTrail 25 KM on 3 October 2026 in Epping's Bell Common. Enjoy a scenic 25 km route through woodlands and countryside, perfect for trail runners craving a nature filled challenge.

Looped night races on the South Downs at Plumpton Racecourse offering a 50k and a half marathon over rolling runnable trails. The event features marked routes, reflective signage, aid stations and set time limits for completion.

Celebrate the 10th anniversary of this 5 mile chip timed trail and Canicross race. Run through the scenic Upper Wreake valley across fields and brooks with beautiful views over the Leicestershire countryside.

Join a 30 mile guided group run exploring the scenic Surrey Hills and Box Hill. This event offers professional coaching on the trails and is an ideal entry point for those new to ultra running.

Wild Run Cotswolds showcases rugged off road trails on a private estate with fully marked routes, chip timing and a family friendly supporter zone. Entries are limited to 600; choose 10K, half, marathon or the six hour 360 challenge.

Scenic out and back races along the Thames Path from Petersham & Ham Sea Scouts HQ to Barnes, offered as 10 km, half marathon and marathon options with staffed checkpoints and medical cover.

Choose from 25 km, 40 km, or 50 km routes in this self-navigated challenge through the Thames Valley. Starting from Marlow, this event features supported checkpoints and a group meal at the finish.

Multi terrain 10 km and 5 km runs around Thompson with bespoke medals and trophies. Facilities include refreshments, toilets and parking, and all profits support the Thompson Millennium Green Charitable Trust.

A coastal ultramarathon of about 75 miles along the Essex saltmarsh from South Woodham Ferrers to Salcott, offering two day, continuous and three person relay options with GPS tracking, regular aid stations and downloadable GPX routes.

Experience a scenic multi terrain race through East Grinstead dedicated to local charities. This friendly event features a flat course along bridleways and residential roads with chip timing and a sustainable finisher medal.

Timed trail event in the Forest of Bere using a 3.28 mile out and back lap with distances from 5 km to ultra. Aid station offers sweet and savoury food including potatoes and vegan options; 20% of proceeds support Forestry England.

A half marathon and 10 km run at RAF Greenham Common in Thatcham, Berkshire, on a flat traffic free course with water stations and marshals. The event supports New Life Special Care Babies and includes a children race and free parking.

A flexible 6-hour timed run along the flat Jubilee River towpath. Run one 5.24-mile lap or see how many you can complete. The scenic route passes through countryside with views towards Windsor Castle.

Set in the scenic Sence Valley Forestry Park, this flexible 6 hour event allows you to run as many 3.3 mile laps as you choose. Experience a mix of woodland trails and lakeside paths with distances ranging from 5k to ultramarathon.

A trail event on 10 October 2026 near Maidstone offering 50 km, 25 km and 10 km loop options with covered rest stops, GPS tracking and weekend camping. Medical support, catering and shuttle transfers are provided.

An hourly backyard ultra at Turvey House where runners complete a 4.167-mile (6.7 km) loop each hour, with solo, pairs, 8-hour and 7-hour capped options, chip timing, aid station, first aid and prizes.

Inflatable 5K in Cheltenham on Saturday 10 October 2026 is a five kilometre obstacle course made of inflatables. Recent listings show a five star rating and 34 bookings in the past week.