Trail Running calendar near Guildford 2026-2027

We have found 423 Trailruns within 80 miles of Guildford. See below where and when you can find the races.

Run a flexible-distance coastal challenge with views of the Isle of Wight. Choose from 5K to ultra-marathon on a mixed-terrain, lap-based course. Enjoy an aid station and a relaxed start window.

Run a fast, flat race on the scenic Thames Path. Choose from marathon, half marathon, or 10km distances on this out and back route. The event offers stocked checkpoints and medical support along the course.

The Steyning Stinger is a spring trail running event in early March, offering marathon, 30k, and half marathon distances. It is a licensed and UTMB-indexed race with a fully supported course. Participants receive a sustainable medal and fre..

UTMB Index

Run through the scenic Rushmore Estate in Dorset, starting and finishing at the Larmer Tree Gardens. Choose from a Marathon, 20 Miles, a Half Marathon, a 10km, a Fun Run, or a Canicross race. Every finisher takes home a distinctive full-col..

A women-only trail run at Culden Faw Estate, Henley on Thames on 8 March 2026 celebrating International Women’s Day. Routes of 3 km, 6 km and 13 km across woodland and rolling parkland with chip timing, medals and refreshments.

This 10K course explores the Kent countryside, mixing roads and trails along the River Darent. Runners start at Heathside Sports Ground and finish with a bespoke medal. The village hall offers facilities, and marshals guide the way on roads..

A self-navigation trail run near Hullbridge, with 10-mile and 6.3-mile options. Navigate using a written route description on an unmarked course. The race starts from The Smugglers Den pub, where your entry includes a bar voucher.

This 50km trail ultra winds through the Chiltern countryside on two 25km loops from historic Stonor Park. Runners tackle 4000ft of climb past villages and ancient woodlands. It's a nine-hour event with food and drink vendors at the finish.

UTMB Index

A coastal trail run in Swanage, Dorset on 14 March 2026 offering three distances, coastal views to Corfe Castle and a vintage train return. Chip timed with finisher medals, on-course refreshments and marshals.

Explore the trails of the South Downs National Park near Winchester. Choose from three scenic routes of varying distances, all starting from the Matterley Basin Grand Prix Track. This dog-friendly event offers a hard-packed course with pano..

A self navigation trail at The Museum of Power offering 6.3 or 3.4 miles on mainly off road footpaths and tracks. There are no markings or marshalls and each entrant receives a narrative and a cafe voucher.

Three newly routed courses through the North Downs and the Greensand Ridge on 15 March 2026. Indoor checkpoints provide food and drink, there is an entry limit with a waiting list, and participants must carry route maps and basic navigation..

Take on Phoenix Running's Octopus Run on 15 March 2026 at Walton on Thames for a scenic towpath challenge along the River Thames, with distances from 5 km to ultra and flexible start times. Finish your effort and collect a bespoke finishers..

Join Gratitude 25KM 2026 in Broxbourne for a rewarding 25 km run on 21 March 2026. Ticketed entry and a welcoming atmosphere make it ideal for runners looking for a spring challenge.

A multi-distance trail event at Hyde Hall Farm with 10k to ultra options, lap-based heavy half and ultra formats, on-site parking, aid station at the lap point, baggage area and a bespoke or lucky dip finisher medal.

Winter's End is a South Downs trail event offering a 50 mile ultramarathon and two marathon options between Arundel, Queen Elizabeth Country Park and Winchester, with marked courses, aid stations stocked with PH 1000, bag drop and coach tra..

Guided 13 mile trail run around the Surrey Hills starting in Guildford, featuring the North Downs Way, St Martha's Church and views from Newlands Corner. Group paced event with kit support and an evening option.

Discover scenic trails at Stansted House on Saturday 21 March 2026, with options from 9.4 km hikes to 21 km trail runs suitable for all abilities. Finishers receive a metal medal, a finisher's gift and a drink, with timing by UK Running Eve..

An 11K multi terrain run around Bratton on 21 March 2026 with panoramic views, prizes across age categories and medals for finishers. Places are limited to 200 and entries close 14 March 2026 or earlier.

A supported trek or run along the North Downs Way through Surrey, with a 26.2 mile marathon from Guildford or a 14 mile route from Ranmore Common, both finishing at YMCA East Surrey in Redhill. Transport, support stops and finish facilities..