Trail Running calendar near Cirencester 2026-2027

We have found 511 Trailruns within 80 miles of Cirencester. See below where and when you can find the races.

Experience a challenging trail run along the scenic Jurassic Coast and Purbeck Hills. Choose between the full marathon or a 16 mile route featuring historic ruins, coastal cliffs, and rugged Dorset countryside.

Join this flexible timed event along the flat River Thames towpath in Walton on Thames. Complete as many laps as you like over seven hours to achieve distances from 5km to an ultra marathon.

The Chiltern 50 Ultra Challenge offers looped trail distances of 50 km, 25 km, and 10 km through the scenic Chiltern Hills. It features a basecamp at Henley Showground with camping, food, and a celebration. Options are available for walkers..

UTMB Index

Run or walk through the beautiful Dorset countryside on this trail event. Choose from 10k, half marathon, or full marathon distances, with a new team relay option for 2026. All proceeds support local charities and community services.

A 10-mile trail race set in the scenic Candover Valley at Chilton Manor Farm. The route features a historic Yew tree-lined finish and includes private trails with 240m of ascent. Participants receive a unique medal and can enjoy refreshment..

Experience the woodland paths and iconic castle views of Margam Country Park in this multi distance trail event. Choose between a 5k or 10k route featuring chip timing and finishers medals.

Experience the beauty of the Forest of Dean on this scenic woodland trail half marathon. Run entirely on forest paths with no road crossings, this late September race features a chip timed course and finisher medals for all.

Experience a scenic trail run through historic Cranborne Chase and Martin Down Nature Reserve. Choose from 10k, half marathon, or marathon distances starting at the convenient Salisbury Racecourse.

Enjoy a flat riverside run along the Thames with a chocolate themed aid station. Choose your own distance from 5km to ultra marathon within a flexible seven hour time limit.

The Kingfisher Challenge is a flexible six-hour trail run in the scenic Coombe Abbey Park. Run as many 3.3-mile laps as you like on paths through woodland and grassland. Choose your own distance and finish with a medal or a tree-planting to..

October 2026

Join a 30 mile guided group run exploring the scenic Surrey Hills and Box Hill. This event offers professional coaching on the trails and is an ideal entry point for those new to ultra running.

A *50 km* point-to-point ultramarathon from Moors Valley Country Park to Hengistbury Head, featuring forest trails, coastal paths and a fully signed flat course. The race includes four feed stations, a GPS route file, medical cover and a 9...

UTMB Index

Choose your own distance in this flexible 7-hour Time Challenge at Dare Valley Country Park. Run laps on well-maintained paths and enjoy a themed medal, goody bag, and snacks at the finish. The event welcomes walkers and offers vegan option..

Wild Run Cotswolds showcases rugged off road trails on a private estate with fully marked routes, chip timing and a family friendly supporter zone. Entries are limited to 600; choose 10K, half, marathon or the six hour 360 challenge.

Experience a flat and fast riverside trail race along the scenic Thames Path in Richmond. Choose from 10km, half marathon, or marathon distances on a well marshalled out and back course.

This trail half marathon tackles the challenging hills and varied terrain of the Quantock Hills. The route includes forests, moorland, and technical trails, with two feed stations and a UTMB index. The event offers camping and a weekend atm..

Choose from three scenic routes ranging from 25 km to 50 km through the Chilterns and the Stonor valley starting in Marlow. This supported challenge includes snacks, a meal, and a commemorative badge for entries.

A flexible 6-hour timed run along the flat Jubilee River towpath. Run one 5.24-mile lap or see how many you can complete. The scenic route passes through countryside with views towards Windsor Castle.

Set in the scenic Sence Valley Forestry Park, this flexible 6 hour event allows you to run as many 3.3 mile laps as you choose. Experience a mix of woodland trails and lakeside paths with distances ranging from 5k to ultramarathon.

Experience a 55 km journey through the scenic Forest of Dean featuring technical trails and river views. This self navigation ultra marathon offers dedicated support and a separate category for Canicross runners.