Trail Running calendar near Marlborough 2026-2027

A single entry that covers four Centurion 100 mile races held between 1 May and 17 October 2027. Minimum age 20, published fees apply and optional XCover insurance is available.

A 100 mile trail race along the Thames Path from Richmond to Oxford on 1 May 2027, with 1900 ft of climb, a 30 hour cut off and a minimum of twelve aid stations. Entries require a qualifying 50 mile finish within 15 hours.

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 trail event in Ilmington offering six distances from 10K to 100KM plus a new two person 100KM relay, with feed stations, baggage support, GPX maps and trackers on the longer 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, self supported navigation challenge in the Surrey Hills based at Newlands Corner. Teams carry all kit and food and score points from virtual controls during two timed sessions across the weekend.

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 inflatable obstacle course event in Guildford on 8 May 2027 offering 2.5k, 5k, 10k and 15k lap options with music zones, on-course water and a finisher's medal, plus family and group entry arrangements.

Epona 100 in Abergavenny offers 100-mile and 100-kilometre trail options along the Cambrian Way, Offa’s Dyke and Beacons Way, with eight checkpoints, live tracking, GPS files and a finisher medal and buckle for those finishing within the ti..

The Westcountry Ultra Flat 50 miler will take place in Taunton on Saturday 8 May 2027. You can run 50 miles.

The Westcountry Ultra 100 Miler will take place in Taunton from Saturday 8 May 2027 to Sunday 9 May 2027. You can run 100 miles.

The Westcountry Ultra Hilly 50 miler will take place in Minehead on Saturday 8 May 2027. You can run 50 miles.

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 multi-terrain running event around Naseby Village Hall in Northamptonshire offering multiple distances from 10K to a 35 mile ultra. Routes change direction each year and include roads, trails, and local historic landmarks.

A guided 30 km trail run through the Chiltern Hills near Tring with trail technique instruction, checkpoints, bag storage and a finisher's medal. Entry is limited to 50 participants and the route includes about 500 m of ascent.

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.