Trail Running calendar near Guildford 2026-2027

A measured off-road 5K on 13 May 2026, Race 2 of the seven-race Crown to Crown series, run mainly on bridleways through Willow Park with limited parking and on-course safety support.

A four evening summer series at Dinton Pastures with 5 km and 10 km races plus a 2 km kids event. Off road and traffic free, the series offers chip timing, finisher medals, instant results and on site first aid.

A 50 mile point to point ultramarathon along the North Downs Way with 5,600 ft of ascent, six aid stations and a 13 hour cut off. The route is mostly trail and requires specific qualifying and mandatory kit.

Trail and trek event along the Jurassic Coast in Dorset with distances from 10 km to 100 km and a full route via Weymouth, Portland Bill, Chesil Beach and West Bay. The course features signed routes, marquee rest stops, GPS tracking, medica..

The Twenty Sixth Compton Downland Challenge in Compton, Berkshire on 16 May 2026 features a full marathon and a 16 mile race with a seven hour time limit; route maps, elevation profiles and videos are provided.

An inflatable obstacle course at Brands Hatch on 16 May 2026 offering laps of a 2.5 km circuit with 2.5 km, 5 km, 10 km and 15 km options, music zones, water stations and a finisher medal.

The Semington Slog on 16 May 2026 features a 10 km and 2 km run from St Georges School. Routes explore the village and Kennet and Avon Canal towpath. Enjoy community activities, refreshments, and prizes.

Run through scenic vineyard hills at Denbies Wine Estate in Dorking on 16 May 2026 on a 5.3 km undulating off road loop. Choose as many laps as you like for distances from 5 km up to ultra with flexible start times and limited places.

Trail running from Sudeley Castle across 1200 acres of Cotswold hills with routes from 7 km to 51 km, marked trails, GPX files and outposts. Longer routes require specified mandatory kit and time cutoffs; dog entries are sold out.

A timed lapped event at Mowsbury Park on 16 May 2026 offering distances from 5 km to ultra with a seven hour time limit, flexible start window and both medal and no medal entry options; places capped at 75.

A weekend obstacle race in Henley on Thames on May 16-17, 2026, featuring Sprint, Super and Beast distances plus a Kids Race and spectator tickets, run along historic town landmarks and a riverside course.

Race for Life Brentwood at Weald Country Park on 16 May 2026 offers 3k, 5k and a double lap 10k across grass and woodland trails. The event is chip timed and carries a minimum fundraising target of £50.

Experience a fundraising trail run through the grounds of the Badminton Estate. Choose from multiple distances including a team challenge while enjoying a community atmosphere with a post race BBQ and refreshments.

A community organised 5k and 10k trail run or walk in the Cotswolds on 16 May 2026, offering adult and junior categories and raising funds for the Village Hall and the North Cerney School Association.

A cross-country *10 km* race at Priory Park, Reigate on 17 May 2026, organised by MCC Promotions with on-day registration, hydration stations, basic facilities and support for the charity Sport In Mind.

Run the scenic loop at Hurtwood Park Polo Club in Cranleigh, Surrey with distances from 5 km to ultra on mostly flat off road trails. Multi lap format and a seven hour time limit suit all paces and every finisher gets a memento.

Explore the scenic parish of Deddington on a 5k, 10k, or 20k run through local farmland. This community event supports local schools and the Firefighters Charity while welcoming runners of all abilities.

Trail races over 10 and 5 miles at Cammas Hall Farm on 17 May 2026, using farm tracks and woodland trails. Marshals, water stations, parking and finish-line facilities are provided; transfers allowed before the deadline.

A community trail run at Newchurch Primary School on 17 May 2026 offering three distances from 900 m to 9 km. Entry fees are £8 to £17.50, medals for all and a raffle with prize draws. Proceeds support school learning resources.

The Ridge Off Roader is a trail run through the scenic Chiltern Hills. It offers a half marathon and a 10k route, plus a fun 1k for kids. All proceeds support the local school.