Trail Running calendar near Guildford 2026-2027

A multi-distance coastal trek and trail event from Chale on 2–3 May 2026, offering routes from a 10 mile option to a 106 km full island challenge, with GPS tracking, staffed rest stops, medical cover, camping and shuttle transfers.

A single entry covering four Centurion Running 100 mile events in 2027, including Thames Path 100, South Downs Way 100, North Downs Way 100 and Autumn 100. Minimum age 20 and published entry fees apply.

A marked 100 mile point-to-point race along the Thames Path from Richmond to Oxford, with a 30 hour cut-off, at least twelve aid stations and mandatory kit. Pacers allowed from mile 51 and entries open 31 May 2026.

Three Forts Challenge is a Sussex trail running event across the South Downs from Lancing Manor Leisure Centre. It offers a full marathon, half marathon and a 5 mile run, and directs event profits to Ferring Country Centre and local chariti..

A one day Cotswolds trail event on 2 May 2027 offering six distances from 10K up to a 100KM ultra plus a two person 100KM relay, with feed stations, baggage support and trackers on the ultra routes.

A woodland trail relay at Culden Faw Estate near Henley on Thames offering solo, pair and team entries with camping available. The course uses estate tracks, features a climb before 3 km and is chip timed with live lap splits.

The Roach Valley Way Charity Relay will take place in Rochford on Sunday 2 May 2027. You can run 23 miles.

A spring trail event in Harewood Forest near Andover offering 5k, 10k, canicross and a childrens fun run on undulating, multi terrain courses with marked routes and on course marshals.

An off-road half marathon and 10 km trail event near Ludgershall through bridle and woodland tracks, with chip timing, stocked aid stations, full medical support, finishers' medals and prizes for the top three men and women.

A two day two person team self-supported navigation and endurance challenge based at Newlands Corner in the Surrey Hills. Teams carry their own camping and food and score points by visiting virtual controls during timed sessions on both day..

A 50 km point-to-point ultramarathon from Horsham to Brighton seafront across trails and downs, with four feed stations, a fully signed route and a GPS file provided before race day.

A mud obstacle 5k at Southsea Common with climbs, crawls and slides on a mainly flat route. Waves start every 15 minutes, participants must be 13 or older, and the event supports fundraising for Cancer Research UK.

A muddy obstacle course at the Secret Nuclear Bunker Estate in Essex, Nuclear Rush offers 6 km and 12 km routes with dozens of obstacles, chip timing, signature features like the Deathslide, and family race options.

An untimed inflatable obstacle run in Guildford on 8 May 2027 with giant inflatables and music zones. Distances from 2.5 km to 15 km, family friendly, with medals, onsite facilities and group discounts.

Multiple trail race distances in the Stroud area using towpaths, disused railway tracks and Cotswold hills, with a route that ascends to Selsley Common for wide valley views. Water, marshals and first aid are provided on course.

A long-established marathon in North Essex organised by Halstead Road Runners, set on scenic low-traffic roads and part of the Essex Road Running Championships. The event has a 500-runner limit, supports local charities and holds a course m..

A guided 30 km trail run in the Chiltern Hills with checkpoint support, trail technique instruction and a finisher’s medal. The event starts from the Iron Room near Tring Station with group pacing and bag storage.

A Trifecta obstacle-course weekend in Henley on Thames featuring Sprint, Super and Beast races plus a kids race along the riverside and town landmarks. Events list 20 to 30 obstacles and show a 4.7 participant rating.

Trail running from Sudeley Castle through the northern Cotswolds with routes from 7 km to 50 km, mixed terrain and staffed outposts. Options include Ultra, Marathon, Half Marathon and shorter distances.

An inflatable obstacle course and fun run at Brands Hatch with 2.5 km laps that can be combined into 5k, 10k or 15k. Family friendly with medals, music zones, hydration, on-site food and paid parking.