Trail Running calendar near Guildford 2025-2026

We have found 420 Trailruns within 80 miles of Guildford. See below where and when you can find the races.

Run a scenic 50k through the Surrey Hills on a fully signed out and back trail with food stations and live timing. Friendly for newcomers to ultras yet rewarding for seasoned trail runners.

UTMB Index

Take on a scenic 10 mile trail around Grafham Water, starting on the dam and winding past woodlands, ponds and Sanctuary Bay. Choose the 10 mile run or canicross with your dog and enjoy a friendly, fast course and postrace treats.

Join the New Forest Xmas Trails on 7 December 2025 for a festive run through heath and woodland in the New Forest. Fully marked single lap courses from 15km to 50km start at Holmesly Campsite and you can plant a tree instead of a medal.

The Mince Pie 10 is a festive 10 mile mixed terrain run in Peacehaven, with fancy dress, seasonal music and mince pies at the finish. Fun, muddy miles and a recycled medal await while supporting local children's and hospice charities.

The Trifarm Winter 10k decides the winter series championship on a largely off road trail around Trifarm in Boreham, Essex. Enjoy a friendly, low key race day with simple on site facilities.

Run a scenic 10 km loop around Rye Harbour Nature Reserve on 7 December 2025, mostly on trail and fully marshalled and marked. Limited to 70 runners, with postrace tea and cake at Winchelsea Beach Community Centre.

Join a regional colour coded orienteering event at Highwoods Country Park, Colchester on Sunday 7 December with courses for all abilities up to a 7.0 km Blue course. Enjoy woodland and grassland terrain, waterproof maps and a friendly vibe.

Join the Christmas Cracker at Newlands Corner on 7 December for pantomime themed family score orienteering and colour coded Orange Green and Blue courses. Guildford Orienteers will provide festive refreshments and friendly guidance.

Join the Phoenix Running Bobble Wobble Run at Crystal Palace Park for a timed multi lap challenge on park trails. Run as many 1.65 mile laps as you can in seven hours and collect a finishers medal and Phoenix bobble hat.

Take part in the festive Bobble Wobble Run at Ardingly Reservoir, choosing 5 km to ultra laps on scenic off road trails with a flexible start window. Finishers get the new double lined Phoenix bobble hat and a finisher medal unless you opt..

Join a lively 60 minute street and park orienteering score event around the Yachtsman pub, with SI timing and instant splits. Visit as many controls as you can to score points and test your map and pace skills.

Winter Downs 200 is a continuous 200 mile trail loop around the South of England, featuring huge climbs and a 96 hour cutoff. Limited to 100 starters, this winter ultramarathon rewards navigation, resilience and winter grit.

UTMB Index

Get festive at the Christmas Jumper Friday Run on a flat, scenic out and back beside the Thames, with distances from 5 km to ultra and a flexible one hour start window. Enter early to secure a free technical running top or take home a medal..

Take part in the Essex Vets XC Championships on 13 December 2025 in Epping Forest for a tough and scenic 8k on forest trails. Veteran races and team prizes across age groups; entries online only until 7 December.

Middlesex Cross Country Championships return to Hillingdon Sports and Leisure Centre in Uxbridge on Saturday 13 December 2025. Youth and senior races from 2k to 12k, chip timed, open to clubs, schools and individuals.

Join the Hampshire Christmas Advent Calendar Run in Forest of Bere for timed laps on a 5.3 km off road loop; start within a one hour window and run as many laps as you can in seven hours. All entrants get a commemorative medal.

Celebrate Pi at the Mince Pi Run in Shalford Park on 14 Dec 2025 with distances from a family friendly one mile Pi fun run to multi lap challenges and a Pi marathon. Enjoy waterside trails, bespoke Pi pie medals and only 200 places.

Enjoy a festive run through Salcey Forest's tree lined trails with 10k, 5k and a junior fun run supporting Shelter. Expect mixed terrain, bespoke medals, free photos and a prize for best seasonal fancy dress.

Celebrate the season with MV Festive Orienteering at Buchan Country Park on 14 December, exploring woodland trails around the lakes. Courses for all levels, family friendly and every finisher gets a warm drink and mince pie.

Running Tribe Races in Chalfont St Peter offer looped 7 km or 10 km courses with choices on the day from 7k up to ultras. Enjoy scenic trails through woodland, a staffed hub for support, and welcoming pacers.