Trail Running calendar near Guildford 2026-2027

We have found 532 Trailruns within 80 miles of Guildford. See below where and when you can find the races.

Trail races on the South Downs Way around Stanmer with 21 km, 14 km and 5 km options. Routes pass Ditchling Beacon and include chip timing, a finisher medal, GPX files and on-course support for the longer distances.

Experience a guided marathon through the beautiful Chiltern Hills with expert navigation and support. Run iconic trails like the Ridgeway in a small group setting led by qualified leaders.

Experience the scenic Hampshire countryside with a choice of a ten kilometer trail run or walk and a vibrant kids colour run in the heart of Froyle village.

Experience the beauty of ancient woodland at the Epping Forest Wildwood Trail Series. Choose between a 10K or half marathon distance through scenic trails featuring natural forest terrain and muddy paths.

A seasonal trail run series at Cowdray Estate offering 5 km, 10 km and 10 mile races across spring, summer, autumn and winter, with a summer evening event that includes a BBQ, bar and spot prizes.

Experience a unique 42km journey starting in the woodland trails of Stanmer Park and the South Downs before joining the road for a grand seaside finish at Hove Lawns.

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The Feisty Phoenix is a flexible timed running event in Bedfordshire. Run a 5.3km loop as many times as you like on a flat course through Mowsbury Park within seven hours. With a unique 'rock up and run' start window and a no-medal entry op..

Join PHOENIX Fridays Run for a Tenner for a relaxed timed riverside run with flexible rock up and run starts supporting Rays of Sunshine. Choose distances from 5 km to ultra and earn a special medal on a flat towpath.

A looped trail event on 18 April 2026 from Windsor Racecourse offering 50 km, 25 km and 10 km options through Great Park, Runnymede and the Thames Path with covered rest stops, medical support and GPS tracking.

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A 50K trail ultra across the Chiltern Hills from Berkhamsted Castle to Hampden Meadow via Ashridge, Ivinghoe Beacon, Coombe Hill and Whiteleaf Hill. Fully marked route with three checkpoints and a nine hour time limit.

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Experience the rolling hills and lowland heath of the South Downs National Park with five trail distances ranging from 12km to 110km. All races start and finish at a vibrant event village on the historic Cowdray Estate.

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Backyard Ultra at Delapre Abbey features hourly 4.167 mile (6.7 km) loops repeated until one runner remains. Options include solo, pairs, or an eight loop maximum with entry fees from £85 to £225.

The inaugural Essex County Fell Championships features a new 10km course with 450m of climb. This open-entry fell race offers county prizes for qualified Essex runners. Every finisher receives a free drink.

Enjoy a flat riverside run along the Thames with a flexible timed format. Choose your own distance from 5km to an ultra marathon on a scenic 5.3km out and back loop.

Test your endurance at Congo Stream with a four hour multi lap challenge. Run solo or in a team through wooded trails and historic trenches on a scenic three kilometer loop with a dedicated lap for kids.

A scenic, undulating trail half marathon along Seaford seafront and the South Downs on 19 April 2026. Organised by Rotary Martello Seaford and Seaford Striders, the race supports local charities and includes a bespoke medal and post-race sn..

Experience an off road trail run in the scenic Findon Village with a unique horse racing theme. Choose from several distances including a 10km trail, a 5 mile run, and a kids event to support local causes.

Timed lap event at Buchan Country Park on 19 April 2026 with 5.3 km laps to create distances from 5 km up to ultra within a 7 hour limit. Runners may choose one of twelve medals or a lower cost no medal entry.

Experience a timed run through the Chiltern countryside and the exclusive Wormsley Estate. This event offers mixed terrain courses over multiple distances starting from Ibstone Common to support a local primary school.

A multi-distance canal and riverside ultramarathon from Streatley with TR250, TR150 and TR100 options. Routes use provided GPX and maps, feature checkpoints about every 25 miles, GPS tracking and strict overall cutoffs.