Trail Running calendar near Croydon 2026-2027

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.

Trail runs from Roundhill Campsite through New Forest National Park on wide hard packed gravel paths with free roaming ponies and deer. Distances of 21.6k, 16.7k and 10k include chip timing, a medal and on course refreshments.

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..

Timed multi lap event on the Itchen Way in Winchester on 14 November 2026, with 2.62 mile laps that add up to half marathon, marathon and ultra distances. Flexible start format, aid station with vegan options, bespoke finisher's medal.

Trail races at Westerlands near Graffham: a 50 km Ultra linking five long distance trails and a 13 mile Half on three trails, with SportIdent timing, aid stations, mandatory kit and a wooden eco-medal for finishers.

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.

MoRunning at Southampton Common offers chip timed 1.5k, 5k, 10k and a half marathon with medals, finisher headbands and on-site race facilities. The course mixes paths, trails and grass and is dog friendly and buggy usable.

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.

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

Multi-distance trail run in the Meon Valley and on the South Downs Way with marked routes, stocked checkpoints and mostly trail terrain.

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 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.

An underground marathon at UCAP BUNKER near Portsmouth on 21 November 2026. The multi lapped route runs through low tunnels, has a six and a half hour cut off, and requires a headtorch and cycle helmet.

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 14 mile trail race on 22 November 2026 that starts with a climb and follows muddy and chalky descents, with water provision en route and tea, coffee and cake at the finish. Route files and a trail narrative are available to download.