Trail Running calendar near Lamberhurst 2026-2027

A 21.2 km trail half marathon at the National Trust's Dunstable Downs on 21 June 2026, featuring 450 m of ascent, marked trails, two aid stations and on-site facilities including parking and a cafe.

Run through the historic landscapes of Horsell Common where the Martians first landed in literature. This volunteer led charity event offers trail routes from 2 km to 21 km in a scenic Site of Special Scientific Interest.

Community running event in Hawkhurst on 21 June 2026 offering 10k, 5k and a free junior race on a multi terrain undulating course, with finish line cake, a bespoke medal and funds raised for local community projects.

Circular countryside routes of 26 miles and 18 miles around Baldock in Hertfordshire, with checkpoints, refreshments and a light finish meal. Entries close 13 June or when the 175 place limit is reached.

A trail running event set inside Trent Country Park, Enfield, with wooded paths, grassy sections and some hills. Races include a 10 km senior race, a 4.5 km junior race and a 2 km kids fun run.

A flat, timed 10 kilometre out-and-back from the toll bridge in Shoreham to Bramber and back on 21 June 2026, with a halfway aid station, full marshals, 4x4 pickup and a new medal; entries open 20 March.

A single lap fully off road 10K trail through Panshanger Park on 21 June 2026, passing a 500 year old oak, the Queen’s Wood and the Mimram River. The event includes chip timing, a sustainable finisher’s medal and a Family Fun Run.

A muddy 5k obstacle course at Trinity Park, Ipswich on 21 June 2026 featuring climbs, crawls and slides. Waves start every 15 minutes; participants must be 13 or older. Facilities include toilets, refreshments and on-site parking.

A twilight trail race at Ashburnham Place in Battle, East Sussex offering 10k, 5k and a junior run. The event supports four charities and features on-site charity tents, a BBQ and a free sports massage.

A **10 km** off-road trail run at Trifarm near Boreham on 25 June 2026, run mostly on public footpaths and bridleways. The route is anticlockwise, finishes with a lap around the lake, and offers on-site parking and on-registration water.

Run the Seasons at Cowdray on 26 June 2026 offers 3km and 5km races plus a 10km with dog friendly CaniRun options. The event includes stacking medals, course maps, free photos and an on site BBQ and bar.

A backyard ultra at Longbridge Farm Barns near Alfriston where runners complete at least 4.167 mile laps every hour until one runner remains. The event uses a token system, timed laps, a small aid station, onsite support and sustainability..

A seasonal trail running series at Cowdray Estate featuring 5km, 10km and 10 mile races across spring, summer, autumn and a winter night run, with a dedicated kids series and a summer event that includes a BBQ and bar.

A trail event at Hyde Hall Farm on 27 June 2026 with distances from 5k to ultra. Onsite parking, a lap aid station, baggage provision and event medals are included.

A one-day trail running event in Cranleigh, Surrey on 27 June 2026 with five routes from 5 km to 52 km across the North Downs Way and Surrey Hills, outposts on longer routes, GPX files and mandatory kit for the longest races.

Gravel Rush Run at Matterley Estate offers single loop off road races of 10 km and a 21 km half marathon across gravel tracks, grassy paths and woodland trails, with chip timing, a finishers medal and on site catering.

A family festival at Culden Faw Estate on June 27, 2026, focused on a children's obstacle course and a lively event village with food and activities. Race options include two youth OCR categories and a festival-only entry.

A 5 km obstacle course at Stanmer Park on 27 June 2026 featuring muddy climbs, crawls and slides across fields and woodland. The event is for ages 13 and over, has staggered wave starts, and a minimum fundraising target of £50.

RunThrough Marlow Trail Run on 28 June 2026 features off-road Half Marathon, 10K and 5K routes around the Thames Valley, with marked trails, chip timing, free photos and a themed medal.

A countryside trail run at 3 Brewers Brewery in Hertfordshire offering 10 km and 5 km options on mostly off road terrain. Finishers receive a medal, a pint cup and a free drink while the event supports local charity Earthworks.