Trail Running calendar near Royston 2026-2027

Hydra 75 Mile Ultra is a 75 mile off road loop race at Denbies Wine Estate offering a single 1 mile lap, chip timing, and up to 30 hours to finish. Multiple distances and timed events take place on the same course.

A 100 mile off-road ultra at Denbies Wine Estate on 19 June 2027 using a flat one mile loop, full chip timing and multiple race options including 50 and 75 miles plus timed events.

A timed off-road Marathon and Half Marathon at Denbies Wine Estate near Dorking on a flat 1 mile loop with a flexible start window, up to 30 hours to finish, chip timing and a physical memento for all entrants.

At Denbies Wine Estate on 19 June 2027 runners complete one mile on the hour for 24 consecutive hours. The attended event includes chip timing, onsite tent camping and a substantial finisher medal and runs alongside a virtual option.

A 50 mile off‑road ultra at Denbies Wine Estate run on a flat-ish 1 mile loop. Chip timed, up to 30 hours to finish, with multiple distance options and a well stocked aid station.

A timed endurance event at Denbies Wine Estate where participants run one mile on the hour for 12 consecutive hours. Attended and virtual options run simultaneously and places for the attended event are limited.

A trail running event at Cranleigh Showground on Saturday 19 June 2027 with routes from 5 km to 53 km across Surrey hills and forests. Fully marked courses, varied outposts, free parking and an event village with food and a non alcoholic be..

A 5k obstacle course at Trinity Park with muddy climbs, crawls and slides, held in staggered waves. The grassy course is fairly flat and the event requires participants to be 13 or older.

A scenic trail half marathon on National Trust land at Dunstable Downs covering 21.2 km and 450 m elevation. The fully marked course has two aid stations, GPX files available and event facilities at the National Trust centre.

A 24 hour obstacle course at Belvoir Castle on June 26 to 27, 2027, offering individual and 4 person team relay entries, pit crew spectator access, a post event brunch, on course obstacles, and adaptive athlete support.

A women's ultra trail event in the Surrey Hills with out and back routes from Denbies Wine Estate. Three course options, no cut-off times on course, and policies to support pregnant and parenting participants.

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 flat 10 km trail run through Thursley National Nature Reserve near Thursley, Surrey. Group runs include dusk and night options with headtorch guidance, an entry fee of £22 per person, and kit and torch support available.

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 100K trail ultra around the Chiltern Hills on an anticlockwise loop from Chesham, passing Ashridge Estate, Ivinghoe Beacon, Whiteleaf Hill and Bledlow Ridge. Fully marked route with GPS tracking, checkpoints, aid stations and mandatory ki..

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 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.