Trail Running calendar near Dunstable 2026-2027

An evening 10 km trail run through Thursley National Nature Reserve, crossing heathland, bog and woodland and featuring the boardwalk named Britain's Favourite Path. The event is organised by Running Adventures and is aimed at trail newcome..

Race 4 of the Northants 5K Series takes place at Fermyn Woods Country Park on 8 July 2026, featuring a multi-terrain 5 km route through ancient woodland. Limited paid parking is available and series medals are awarded to finishers.

A 6-hour timed run along the flat Jubilee River in Slough on July 9, 2026. Participants complete laps of 5.24 miles, choosing their own distance. Every finisher gets a medal.

A **10 km** off-road trail run at Trifarm near Boreham on 25 June 2026, run mostly on public footpaths and bridleways. The route is anticlockwise, finishes with a lap around the lake, and offers on-site parking and on-registration water.

A 10 km summer evening trail race at Coombe Abbey Park, run over two laps through woodland and meadow with water stations, basic facilities and an option for a tree-planting token instead of a medal.

A six-hour trail event at Coombe Abbey Park where entrants run as many 3.3-mile laps as they wish within the time limit. The course mixes stone paths, meadow and woodland and offers parking, on-site facilities and optional charity support.

A multi-day Spartan obstacle event at Belvoir Castle featuring Sprint, Super and Beast races plus kids races and Hurricane Heat sessions. The Trifecta Weekend format lets racers attempt all three main distances across the same weekend.

A seven hour timed event on a looped course beside the River Thames on 10 July 2026. Runners can choose distances from 3 km up to ultra and receive medals, goody bags and on course aid.

Phoenix Fridays offers a flexible Friday run with a "rock up and go" start. Choose your distance on a flat, timed 5.3km loop along the Thames towpath. All finishers can pick from a selection of signature medals.

Hazelbury Hurrah! is a Friday evening multi terrain race near Corsham on 10 July 2026, featuring a six mile main race and a two kilometre junior race. The event supports local charities and is Trail Running Association licensed.

A roughly five-mile off-road trail run at High Lodge, Thetford Forest with chipped timing and a finishers medal. Entries are non-refundable; transfers allowed until 06/07/2026, and competitors must be 16 or over.

A point to point 57 mile ultra along the Severn Way from Worcester to Stonehouse, passing Upton-on-Severn, Tewkesbury and Gloucester. Four checkpoints offer vegan and gluten free options, finishers receive a bespoke medal and a head visor.

A 24 hour multi terrain relay or solo race near Romford where competitors run repeated 5.75 mile laps in teams of two to eight, with one runner on course per team; camping and event services are available on site.

Follow Britains oldest trail through 5000 years of history on the Ridgeway. Choose between 50km or 100km distances and finish at the iconic Avebury Standing Stones with full medical and snack support.

A family friendly inflatable obstacle run in Southampton on Saturday 11th July 2026, offering 2.5k, 5k, 10k and 15k options with giant inflatables, five music zones, a finisher's medal and on-site food and water stations.

Circular off road running and walking routes from Hallow through twelve parishes, with distances from 10 to 40 miles, staffed checkpoints, on-route snacks, and a hot meal and certificate at the finish.

Trail running event at Princes Risborough across the Chiltern Hills offering distances from 8 km to 50 km. Routes run through beech woodland and ridgelines with outposts offering snacks and self-serve water.

LDWA Norfolk & Suffolk's Rodent Wriggle offers three scenic routes (13.5, 23 and 31.5 miles) from Needham Market Community Centre with checkpoints, refreshments and a finisher's certificate; entries are limited and must be prebooked.

Timed 6 hour, 12 hour and 24 hour events on a flat scenic Backyard route in Thetford Forest. Options for solo runners, pairs or teams up to four with on site camping, basic food provision and trophies for winners.

Enjoy a flexible timed running event along the flat River Thames towpath. Choose your distance from 5km to an ultra marathon and earn a bespoke spinning medal on this fast riverside course.