Trail Running calendar near Thornbury 2026-2027

We have found 509 Trailruns within 80 miles of Thornbury. See below where and when you can find the races.

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.

A trail race on 11 October 2026 covering about 6 miles through an AONB near Doward and Ross-on-Wye, featuring single track, woodland, riverbanks and a notable hill climb, with marshals, a water station and limited entry for runners aged 17..

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 on 11 October 2026 combines ten Xercises with repeated runs at County Ground, Swindon. Entries are for ages 18 and over, with solo, doubles and relay options and separate LITE weights.

A new fell race on the Cat's Back ridge in the Black Mountains covering about 11.7 km with 492 m ascent. The partly marked, rocky route requires full kit and appropriate fell shoes and is open to runners aged 16 and over.

A community off road running event in Marshfield on Sunday 11 October 2026 with children's and adult distances. Entries support Marshfield Primary School and the routes use temporary access across private land.

Trail event at Burnbake Forest Lodges near Corfe Castle on 17 October 2026. Three marked routes of 24 km, 12 km and 6 km run on technical coastal and marshland trails with steep climbs, and outposts require a reusable cup.

A 100 mile trail race from Goring & Streatley using Thames Path and Ridgeway routes in four 25 mile out and back spurs. The event has 16 aid stations, full medical support, a 28 hour cut off and mandatory kit and qualifier requirements.

A 7 hour Time Challenge at Dare Valley Country Park offering flexible distances from 3km up to 50km. The event includes themed medals, finishers' goody bags with a vegan option, aid stations, free parking and basic venue facilities.

An untimed outdoor mud run at Lyons Lane Motocross LTD featuring brook crossings, hill climbs, a mud crawl and a water slide finale. Entrants can choose 5k or 10k and children from 8 must follow supervision rules.

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.

A multi terrain trail event in Stockland, East Devon on 18 October 2026 offering 10 km, 5 km and 3 km routes across fields, lanes and river crossings, with village hall HQ and on site refreshments.

Keynsham Dandy is an off road 12.5 mile race in October organised by Town and Country Harriers with race HQ at The New Inn in Keynsham. The route includes the revived Compton Dando section which crosses a stream.

Trail running in Wyre Forest on 18 October 2026 with a timed half marathon and a 7.6 mile Super Seven option, finishers medals, category prizes, medical cover and fully marshalled, signed routes.

Trail races at Oxwich Bay with a self-navigated half marathon plus marked 10k and 5k routes. The event is postponed and a new date will be announced.

A memorial road and off road event organised by Green Events featuring a half marathon and a 12k in mountainous scenery. The race is cupless, open to those over 16, and lists online and on the day entry options.

Cross-country race in Hardwick, Buckinghamshire on 18 October 2026, run over about 6 miles of off road terrain with water crossings and varied surfaces. Entries are limited to 300 and participants must be at least 17 years old.

Seven consecutive days of offroad running at Pengethley Manor with seven hours per day to complete chosen distances. Each day awards a different themed medal and a virtual entry option is available.

A Halloween themed off road event at Pengethley Manor offering 5k, 10k, half marathon, marathon and ultra distances with a seven hour time limit. Laps are 2.5 km and the course includes a hill and vineyard sections; virtual entries availabl..

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