Trail Running calendar near Gloucester 2026-2027

We have found 468 Trailruns within 80 miles of Gloucester. See below where and when you can find the races.

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.

Test your endurance at Turvey House with a 6.7 km loop every hour on the hour. Choose to run solo, in a pair, or join the capped eight hour challenge in this unique last person standing format.

Experience the bouncy inflatable obstacle course at Cheltenham Racecourse. Choose between several distances and navigate through a series of large inflatables while earning your finisher medal.

Experience a 32 mile trail journey through the remote Cambrian Mountains and toward Lake Vrynwy. This sustainable event features a fully marked course with 4862 feet of elevation and a 14 hour cut off time.

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.

Discover the scenic trails of the Chiltern Hills in this guided 21 km autumn running adventure. Led by qualified guides, this event focuses on group camaraderie and trail techniques across beautiful undulating woodlands.

Run through the scenic woodland tracks of Cannock Chase Forest in this autumn festival featuring trail races for all ages. Enjoy chip timed results and a unique themed medal in a spectacular natural setting.

Choose a scenic 10k or shorter 5k through the Chiltern Hills around Frieth, combining woodland paths and country roads. Expect rolling climbs and panoramic views for a rewarding, hilly challenge for road and trail runners.

The FOOBS Trail and Fun Runs return in October. Choose from a chip timed 10K, 6K, or a family friendly 2K fun run through the countryside near Old Basing. The event supports local schools through community fundraising.

MacTuffX Swindon features a series of repetition based running formats including solo and team categories. Participants choose between multiple 400m or 800m loops in this structured athletic event for adults.

Experience a scenic 15 km trail run starting from Tring and traversing the Ashridge Estate. This historic race features the Ridgeway path and provides participants with the choice of a finisher t-shirt or planting a tree.

A 100 mile trail race through Oxfordshire featuring four 25 mile out and back spurs. Runners navigate the historic Ridgeway and Thames Path trails supported by 16 aid stations and full medical coverage.

UTMB Index

Join this flexible 7 hour time challenge at Dare Valley Country Park featuring distances from 3km to Ultra Marathon. Enjoy a well stocked aid station and earn a unique themed medal on scenic parkland paths.

Blaze the Biblins on 18 October 2026 is a scenic 10k trail race through ancient woods and riverbanks near Ross on Wye. Expect technical single track, climbs including the notorious Demon hill, and a lively village finish.

Join the Aberfan Memorial Run in Merthyr Tydfil to honour the 1966 victims and support the Aberfan Memorial Charity. Choose 5 km to ultra on a scenic tarmac loop along the Taff Trail with flexible start times and official timing.

Roughly 12K trail run on bridle paths and the Imber Range near the Westbury White Horse on 18 October 2026. Limited to 200 places so book early for a bespoke finisher medal and category prizes.

Keynsham Dandy is an off-road race on Sunday 18 October 2026 around Keynsham. The roughly 12.5 mile course starts at The New Inn and includes the revived Compton Dando route with a stream feature.

Experience the ancient landscapes of the Wyre Forest in this autumn trail run featuring 13 mile and 7.6 mile routes. Participants enjoy marshalled woodland trails with full race timing and finishers medals.

Seven consecutive offroad race days at Pengethley Manor from 19 to 25 October 2026 with a seven hour time limit each day and distances from 5k to ultra. Each day awards a unique Halloween themed medal and a virtual option is available.

An offroad Halloween race at Pengethley Manor offering 5k, 10k, half marathon, marathon and ultra distances with a seven hour time limit. In-person and virtual entries are available and paid verified finishes receive themed medals.