Trail Running calendar near Chalfont Saint Peter 2026-2027

We have found 531 Trailruns within 80 miles of Chalfont Saint Peter. See below where and when you can find the races.

Experience a unique three day event through West Sussex featuring 10 mile and 10k races that combine to form a full marathon. This bank holiday weekend also offers family fun runs and chip timed mile races for all ages.

Run Silchester offers three scenic trail distances starting from the village playing field. The route takes runners past ancient Roman walls, a historic church, and through woodland. The day includes a village market, food stalls, and music..

Experience the scenic trails and woodland paths of Hampstead Heath in this annual charity event featuring chip timed races and a community fun run with views of the London skyline.

Experience an off road five mile race through the picturesque North Wessex Downs. Follow woodland tracks and rural footpaths on a course starting in Hurstbourne Tarrant with all proceeds supporting local charities.

Experience a weekend of trail running in the Cotswolds with distances ranging from a 10K to a 100KM ultra marathon. Starting from Ilmington these UKA regulated races now include a new 50K option for all participants.

Test your endurance on the beautiful South Downs with a choice of marathon, half marathon, or five mile trail distances. Enjoy a well supported community event featuring stunning Sussex scenery and challenging hill climbs.

Experience a guided group trail run through the Surrey Hills designed to reach 1000m of elevation. This non competitive 12.5 mile journey features technical climbs and woodland trails led by an experienced mountain leader.

Run your own distance along the scenic Stroud Waterways canal in this flexible timed event. Start when you like within a one-hour window and see how far you can go in seven hours. Every participant gets a finisher's medal.

Experience the beauty of the North Wessex Downs with trail races of 20 or 33 miles. Run through historic sites like Avebury and the rolling Wiltshire countryside on courses designed for trail enthusiasts.

Enjoy a guided 5km trail run through the Chiltern Hills followed by a specialized movement class. This event includes expert run leaders, trail technique instruction, and basic facilities at Church Farm Cafe.

Experience the historic trails of Winchester across four distances ranging from 14 miles to a 50K ultramarathon. Run through the scenic South Downs Way and past the River Itchen on this fully marked trail course.

Take on the Freddo Mercury Rhapsody Run along a flat riverside towpath at Xcel SPORTS HUB, logging as many 5.3 km laps as you can within a relaxed 7 hour limit. Rock up in a 1.5 hour start window or request a time, with aid stations and opt..

This spring trail race takes runners through the scenic and undulating Harewood Forest in Hampshire. Participants can choose a 5k, 10k, or canicross event on forest paths. The event supports local community groups and features a cupless pol..

Kick off the championship series with this 15k spring trail run in Boreham. Enjoy a scenic route consisting of 95% off road paths through footpaths and bridleways with on site amenities and optional swim access.

The Chiltern Hills 100K is a 100-kilometre ultra marathon on 9 May 2026, traversing a scenic loop of trails through the Chiltern Hills with 1800m of elevation. This UTMB World Series Index Race offers fully marked routes, six stocked aid st..

UTMB Index

Experience a scenic 50 km point to point ultramarathon from Horsham to the Brighton seafront. This multi terrain course traverses the South Downs and offers a fully supported journey with a bespoke finisher medal.

UTMB Index

Run scenic off road trails through Collingbourne woods at the Collingbourne Races, with half marathon and 10 km options. Chip timed event with medals and prizes for a memorable trail day.

Experience a weekend of trail running at the picturesque Deene Park Estate featuring multiple challenges including a 10k evening run and a hilly half marathon. Tackle individual races or take on the full 56.1k quest.

Experience a variety of trail running and walking events at Mapledurham near Reading. Choose between ultra distances, half marathons, or a six mile walk featuring a river boat crossing with on site camping available.

UTMB Index

Experience a unique 5 km obstacle run in Guildford featuring a wide variety of large inflatable structures. This event provides a fun and bouncy course for individuals and teams looking for an active day in Surrey.