Trail Running calendar near Avebury 2026-2027

An alternative to the London Marathon at Walton on Thames featuring a UKA certified 3.28 mile lap. Options include full and half marathon or a seven hour timed event, with a 150 mm finish medal for participants.

A Bronze Ticket backyard ultra on Portland where competitors run a 6,706 m loop each hour until one runner remains. The route offers coastal views, quarries and mixed surfaces, with on-site camping, chip timing and medic cover.

A multi-distance trail festival in East Devon featuring approximately 110 km, 65 km, 50 km and 25 km routes across National Landscapes and the Jurassic Coast, with GPS tracking, aid stations and on-site event facilities.

Out-and-back trail event from Abberley Village Hall with 23, 31, 38 and 47 mile options; the full route includes about 2,941 m ascent, GPX navigation is provided and checkpoints enforce a 13 hour maximum time.

A five mile off road race through woods and farmland around Hurstbourne Tarrant in the North Wessex Downs. Organised entirely by volunteers since 2009, the annual event donates all proceeds to local charities.

A 5k obstacle course at Coopers Field, Bute Park, Cardiff, with tarmac paths and grassy sections that can get boggy after rain. The event raises funds for Cancer Research UK and uses staggered wave starts; participants must be 13 or older.

A Pretty Muddy 5k obstacle course at Lydiard Park on 01 May 2027 featuring mixed paths, hills and muddy obstacles. The event has wave starts, blue badge parking on grass and a minimum fundraising target of £50.

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 combined entry for four Centurion Running 100 mile events across 2027, covering Thames Path, South Downs Way, North Downs Way and Autumn 100. Entries open 31 May 2026 with a minimum age of 20 on 1 May 2027.

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.

An official Backyard Ultra at Blaise Castle Estate on 1 May 2027 where runners complete a 6.7056 km loop each hour until one runner remains. The woodland loop is hilly and technical, head torches are mandatory at night and minimum age is 20..

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.

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.

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.