Trail Running calendar near Herstmonceux 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 Ridgeway trail event on 10–11 July 2027 offering 50 km and 100 km formats, finishing at Avebury Standing Stones with marked trails, pitstops, medical support, and on course services.

A muddy 5k obstacle course at Fairlands Valley Park in Stevenage with staggered waves, on-site facilities, a minimum fundraising target of £50 and age 13 and over requirement.

Summer evening trail event at Wendover Woods on 16 July 2027 raising funds for the Chilterns Neuro Centre with 1.5 km, 5 km and 10 km routes.

A weekend trail running festival at Mill Farm with marathon and ultramarathon options, shorter trail races, camping, live music and on-course aid stations.

A muddy 5k obstacle course at Hylands Park, Chelmsford on 18 July 2027 organised by Cancer Research UK to raise funds; participants must be 13 or older.

Community fundraising runs at Hylands Park offering 3k, 5k and a double-lap 10k on mainly grass terrain, organised by Cancer Research UK.

Community focused 10 km race at Highfield Park, St Albans, with a free family fun run, event village, chip timed results and a grass finish.

A Pretty Muddy 5k at Tilgate Park with obstacles on woodland and lakeside paths, a double lap course and a minimum age of 13.

Community fundraising run at Tilgate Park offering 10k, 5k and 3k routes around Tilgate Lake with mixed surfaces and chip timed results.

An inflatable obstacle-course event in Southampton on 31 July 2027 offering 2.5k to 15k options, on-course music, hydration, event photography and a finisher's medal for every participant.

A navigational trail event near Little Baddow, Essex with a roughly 14 to 18 mile route, team entries of two or three, waterproof maps provided and mandatory compass and phone.

A mixed-terrain trail event along the Thames at Remenham Farm on 4 September 2027, offering a half marathon, a 10K and a junior race for under 11s with chip timing and themed medals.

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.

Guided *10 km* trail run around the Devil's Punchbowl in Hindhead, Surrey, with hills, views and group navigation. Events take place at dusk or at night with headtorches and cost £22 per person.

A single 100K loop through the Chiltern Hills from Chesham, with six checkpoints, GPS open tracking and Trail Running Association/UKA permit.

A guided 30 mile trail run from St Martha's Hill exploring the Surrey Hills and Box Hill with an experienced ultra runner and coach. Group pace, recommended 22 miles training, cost £55 and an alcohol free beer may be available.

A 5 mile night trail run in Litlington with a self navigated Strava GPX route, Halloween fancy dress and timed results for runners aged 18 and over.

A guided 12.5 mile trail run around Box Hill that gains about 1000 metres of elevation across woodland, heathland and open fields. Group pace with technical climbs and scrambling and a chance of an alcohol free beer at the finish.

A guided 30 mile trail run from Haslemere that follows sections of the Serpent Trail and Sussex Border Path, aimed at runners attempting an ultra for the first time. Group pace, varied terrain, cost £55.