Trail Running calendar near Royston 2026-2027

Celebrate Fireworks night with a flexible distance run along the flat Downslink trail in Southwater. Choose your distance on the day and run as many laps as you like over seven hours to earn a bespoke medal.

A three day, 84 mile (135 km) ultramarathon along the Ridgeway from Buckinghamshire to Wiltshire with two overnight stops in Watlington and Didcot. Organised by XNRG Druids, it offers full packages with accommodation and single day entry op..

A flexible Friday running event on a flat 5.3 km out and back course along the Thames offering distances from 5 km to ultra, timed over a seven hour limit with bespoke finishers medals.

A 50 mile race of five 10 mile loops wholly within Wendover Woods, featuring 10,000 feet of climb, nine well stocked aid stations and marked trails. The event is supported by race medics, has a 15 hour cut off and requires marathon qualific..

Autumn park running at Henham Park offering 10 km and 1 km on light trail terrain, with medals, chip timing for the 10 km and on-site facilities.

A multi-terrain *5K* and *10K* race in the Chiltern Hills on 15 November 2026, organised by the Radnage Primary School PTA, with water stations, first aid, a village hall cafe and proceeds supporting the school.

Saturn Running holds the Smurf Run along the River Thames at Wraysbury on 15 November 2026. The seven hour Time Challenge starts from 3 km laps and includes finisher medals, distance pins, aid stations and goody bag options.

A marathon and half marathon on hilly, often muddy trails in the northern Cotswolds. The event is TRA licensed and run under UK Athletics rules; minimum age 18 and entries are open.

Country routes from Barton-le-Clay with 12 miles for walkers only plus 18 and 26 mile courses, checkpoints, refreshments and map navigation.

A guided 16k trail run at High Lodge in Thetford Forest on 15 November 2026. Runs are led at a conversational pace with group placement, varied woodland terrain, and basic kit and parking information provided.

Timed multi-lap run on a flat Thames towpath in Walton on Thames with distances from 5 km to ultra, a seven hour limit, flexible one hour start window and finishers medal options.

A chip-timed 10K trail through Breckland and Thetford Forest near Santon Downham, with on-site parking, a midway water station, and a bespoke finisher medal.

A six-hour lap event at Salcey Forest where participants choose how many 3.5-mile loops to run. Dogs and rucking are allowed, a reduced parking rate is available, and there are options for charity donations or a tree token instead of a meda..

A 10k night trail at Salcey Forest on a marked two lap crushed stone route that can be slippery in wet weather. A head or chest torch is required, Petzl will provide demo kit, and a canicross option runs ten minutes before the main field.

A fully marked 50km trail from Putteridge Bury across North Chiltern ridgelines and hills, with three aid stations, UTMB index status and an 8h45 time limit.

Riverside trail run from Alexandra Gardens in Windsor along the Thames with two distances, chip timing, water stations, and finishers' medals.

A half day 10 km trail run in the Chiltern Hills followed by a Tring Brewery tour with tasting and a choice of a bottle or a pint.

Wet, muddy trail races at Spider Hill, Long Valley offering a single-lap 10 km and a shorter 5 km with marshes, named water features and multiple climbs.

A mostly off road 15k at Trifarm, Boreham, run on public footpaths and bridleways with on-site parking, water refill points and manual timing.

A Half Marathon and a 10k on Wimbledon Common in London supporting Beder, with a trail marked course, course marshals and an event village offering food, drink and partner goodies.