Trail Running calendar near Horndean 2026-2027

A trail half marathon at the National Trust Dunstable Downs on 21 June 2026, covering 21.2 km with roughly 450 m of climb. The course is waymarked and supported with aid stations at 6.7 km and 13.7 km.

Volunteer organised trail races on Horsell Common with family friendly distances from a 2 km kids race to a 21 km option. Proceeds support local charities and the event emphasises minimal environmental impact.

A half marathon and 10k across Wimbledon Common with a marked course, marshals and chip timing. The event supports Beder and includes a themed medal, free photos, on site refreshments and an optional event t shirt.

A 10 km trail run at Twisted Tree Brewery on June 21st at the Tusmore Estate near Bicester. The route runs on private trails and woodlands and is canicross friendly, with entries including a medal, pint cup and a free drink.

A community run at The Moor in Hawkhurst offering 10 km, 5 km and a free junior race on a multi terrain, undulating course, with finish-line cake, a free half pint, medals, spot prizes and on-site stalls.

Trail running event in Trent Country Park on 21 June 2026 offering 10 km, 4.5 km and 2 km races with chip timing and age-based categories; a portion of entry fees supports local charities.

MacTuffX Bournemouth on 21 June 2026 combines ten functional fitness Xercises with running in classic and double distance formats. Solo, doubles and five person relay entries are offered with specified weight divisions and a LITE option.

Experience a flat 10k run starting from Shoreham along the scenic Downslink paths toward Bramber. This chip timed event features a halfway aid station and a unique finisher medal for all participants.

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 two-part urban sprint orienteering event in Poole Baiter with morning and afternoon races whose times are combined for South West Championship placings across multiple age classes.

A social trail run of about 12km from Dobbies Garden Centre to GAIL's Bakery in Lewes, mixing running and walking at a steady group pace. Part of a Knead for Speed collaboration with a post run bun provided.

A twilight multi terrain race across the 220 acre Ashburnham Place estate in Battle, East Sussex. Includes 10 km, 5 km and a junior run and raises funds for bereavement and suicide prevention charities.

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 last person standing backyard ultra near Alfriston on a 4.2 mile loop with a mandatory token at turnaround and Webscorer timing. Field is limited and the event provides a barn base, aid station, first aid and sustainability measures.

A seasonal trail series at the Cowdray Estate in West Sussex with four events across Autumn Winter Spring and Summer. Routes include 10 mile, 10 km and 5 km plus dog friendly CaniRun and a separate kids series.

The Maverick North Downs Trail will take place in Cranleigh on Saturday 27 June 2026. You can run between 6 and 53 kilometers.

Gravel Rush Run in Winchester offers single loop off road races of 10 km and 21 km across gravel, grassy and woodland trails in the South Downs National Park, with chip timing, an event medal and on site catering.

A 5 km Pretty Muddy obstacle course in Stanmer Park with muddy obstacles across fields and woodland. Waves run every 15 minutes, participants must be 13 or older, and a minimum fundraising target of £50 applies.

Trail races of Half Marathon, 10K and 5K run from Marlow Rugby Union Football Club on 28 June 2026, using marked off road routes through the Thames Valley countryside with marshals, chip timing and race photos.

A June 28th trail event at 3 Brewers Brewery in Hertfordshire offering 5 km and 10 km multi terrain laps, mostly off road, with a medal, pint cup and free drink for finishers plus live jazz and charity fundraising.