Trail Running calendar near Aylesbury 2026-2027

Group guided 10 km trail run across the boardwalk and heathland of Thursley National Nature Reserve with evening and night options, car parking and a post-run alcohol-free beer.

A six hour looped trail at Beacon Hill Country Park on a 3.3 mile course with a sharp climb out and a descent back, flexible lap distances, dog friendly and GPX available.

Running event at Newlands Corner offering 15 km and 10 km options, organised by G3 Series on 27 February 2027.

A 30 mile non-competitive group trail run from Harting Down along parts of the South Downs Way, passing Beacon Hill, Cocking Down and Kingley Vale. Led by an experienced guide and recommended for those who have run at least 22 miles in trai..

Coastal trail runs around Chidham Peninsula with views across Chichester Harbour, offering 21.3k and 16.1k routes plus chip timing and on-course refreshments.

A 42-mile trail race from Chipping Ongar to the ancient Chapel of St Peter-on-the-Wall, following an old pilgrimage route through rural Essex. Mostly off-road and often muddy, the route is waymarked with GPX support, four outdoor checkpoint..

Looped races at Chalfont Park Sports Club and Chalfont St Peter Community Centre let runners choose distances from single 7K or 10K laps up to ultramarathons, with drop bag access, aid stations, crew support and on-site medical cover.

A navigational challenge in Worcester where participants are blindfolded and dropped at an undisclosed location, then must find their way back over measured distances of 6, 10 or 15 mile. Optional live GPS tracking is available for safety a..

A single lap undulating 10k trail race at Hadleigh Country Park with steep hills, deep mud, technical terrain and mandatory trail shoes.

A 10 km mixed-terrain run from Windsor & Eton Brewery along towpaths and parkland, with staggered starts, a pint cup and free drink at the finish, chip timing and downloadable race photos.

Guided 10 km trail run around Silent Pool near Guildford, following parts of the North Downs Way and Netley Heath forest. Sessions run at dusk or at night with headtorches in a led group and a recommended pace of about 10 min per mile.

Fully marked trail races at Brixworth Country Park offering 10k and half marathon routes around Pitsford Water with water stations and finisher medals.

The Imber Ultra is an annual trail run of just over 33 miles organised by Avon Valley Runners and the Rotary Club of Westbury, with route details, checkpoints, results and photos provided by the organisers.

A muddy weekend trail event at Rosliston Forest in Derbyshire featuring twisty, rooty forest terrain and swampy sections; entry is listed at £41.50.

A single-lap half marathon around Euston Hall Estate in Thetford, featuring mixed terrain, on course marshals and a bespoke finisher medal.

A 10 km night trail at Coombe Abbey Park on 9 March 2027, run after dark with a mandatory head torch; on-course water, parking and an option for a tree-planting token instead of a medal.

Six hour trail event at Coombe Abbey Park on a new winter route with a 3.3 mile lap; run as many laps as you like and choose a medal or a tree token.

Guided trail half marathon in the Chiltern Hills: about 13 miles with grouped pacing, a mid-route refreshment point and a finisher’s medal.

Trail races of 25 km and 50 km through Harrold-Odell Country Park near Bedford on 13 March 2027, organised by Thunder Races.

Trail event at Hyde Hall Farm offering 10k, half, full and ultra distances with lap-based courses, water at the lap point, secure parking and a bespoke finisher medal. The event is cupless so bring a refillable cup or bottle.