Trail Running calendar near Guildford 2026-2027

We have found 584 Trailruns within 80 miles of Guildford. See below where and when you can find the races.

Experience two distinct half marathons along the Hampshire coast over one weekend. Run the muddy trails of Langstone Harbour or the flat promenades of Southsea, with the option to complete both for a special bonus medal.

A UKA measured 10 mile road race on 14 February 2027 starting and finishing at King George V Playing Field in Melksham. The course passes Lacock, offers prize categories and medals for finishers, and includes water stations and basic race f..

A lapped event on the Flitch Way near Rayne offering 5 km, 10 km, half and full marathon and a six hour challenge. Loops are 5.3 km with an aid station at the end of every lap and a bespoke medal choice.

Looped 7K and 10K courses in Chalfont St Peter and Gerrards Cross let runners choose distances from a single loop to ultramarathon. Aid stations, marked routes, crew access and medical support are provided, with prizes for top finishers in..

A timed event on a 2.62 mile out and back canal route with flexible rock up and run starts. Distances range from 5 km through marathon and beyond, with a seven hour time limit and a finisher medal for all.

Looped 7K and 10K courses in Chalfont St Peter and Gerrards Cross let runners choose distances from a single loop to ultramarathon. Aid stations, marked routes, crew access and medical support are provided, with prizes for top finishers in..

A fully signed 50k trail ultra on the North Downs Way and Norbury Park reserve with 2986 ft total ascent and four checkpoints. The race is based at Denbies Wine Estate near Dorking and is open to runners aged 16 and over.

Two Tunnels in Bath on 21 February 2027 offers many distances and runs through two long restored, lit and surfaced railway tunnels under the city, with start and finish at Brickfields Park and a charity contribution to Sustrans.

BigMud Trails (EARTH) offers three single lap trail races in the Meon Valley from Queen Elizabeth Country Park. Courses include climbs to Butser Hill, stocked aid stations, mandatory fluid carry and an option to plant a tree instead of a me..

A timed lap event in Crystal Palace Park on 21 February 2027 where runners complete 2.65 km laps to reach distances from 5 km to ultra, with a seven hour limit and a finishers' memento for all participants.

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.

Fitstuff G3 No.3 takes place on 27 February 2027 at Newlands Corner near Guildford and offers 15 km and 10 km road running options with individual and bundled entry fees. It is organised by G3 Series.

A 30 mile non-competitive group trail run from Harting Down along parts of the South Downs Way, passing Beacon Hill, Cocking Down and Kingley Vale. Led by an experienced guide and recommended for those who have run at least 22 miles in trai..

A 42-mile trail race from Chipping Ongar to the ancient Chapel of St Peter-on-the-Wall, following an old pilgrimage route through rural Essex. Mostly off-road and often muddy, the route is waymarked with GPX support, four outdoor checkpoint..

Looped 7K and 10K courses in Chalfont St Peter and Gerrards Cross let runners choose distances from a single loop to ultramarathon. Aid stations, marked routes, crew access and medical support are provided, with prizes for top finishers in..

March 2027

A 10 km mixed-terrain run from Windsor & Eton Brewery along towpaths and parkland, with staggered starts, a pint cup and free drink at the finish, chip timing and downloadable race photos.

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.

A coastal trail event in Eastbourne featuring 10K, half, marathon and ultra courses with chalk and forest terrain and views of the Seven Sisters. It is part of the Endurancelife season leaderboard and uses online check-in with a safety vide..

Trail races of 10k and half marathon around Pitsford Water from Brixworth Country Park with marked routes, water stations and on course marshals. Entries have age limits, a four hour cut off and preordered parking and merchandise options.

The Imber Ultra is an annual trail run of just over 33 miles organised by Avon Valley Runners and the Rotary Club of Westbury, with route details, checkpoints, results and photos provided by the organisers.

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