Trail Running calendar near Welwyn 2026-2027

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 trail ultramarathon around Putteridge Bury in the North Chilterns, the 50K features varied ridgeline running, 798 m of ascent, three staffed aid stations and a UTMB World Series index. Entry is limited to 250 runners.

A riverside trail run from Alexandra Gardens in Windsor along the Thames. Two chip timed distances with medals, refreshments, water stations and on-course first aid.

Enjoy a guided 10km trail run through the scenic Chiltern Hills followed by a private tour and tasting at Tring Brewery. This social event includes professional trail instruction and is open to runners of all abilities.

A trail event at Spider Hill featuring a single 10 km lap with marshes, Alligator Swamp, Swan Lake, the Muddy Mile and Duck Pond. A 5 km option uses a shortened version with the same muddy, wet terrain.

A mostly off road 15k trail at Trifarm near Boreham on 21 November 2026, following public footpaths and bridleways. The anticlockwise route starts by the lake and finishes on the running track beside the road entry.

A 14 mile trail run on 22 November 2026 with a climb at the start, downloadable route maps and a GPX file. Basic aid stations are provided and parking is very limited so train or cycle travel is recommended.

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.

A *10 km* road and riverside run starting and finishing at Kingston Hawker Centre, using chip timing and offering a finisher medal, refreshments and baggage drop. The event supports Kingston Hospital Charity and notes nearby train and local..

Guided 10 km trail run around the Devil's Punchbowl in Hindhead, Surrey. Runs take place at dusk in summer and at night with headtorches in winter, on hilly trails with group pacing and a recommended average pace of about 10 min per mile.

A flat, fast trail run through the Suffolk AONB from Wantisden Hall offering three waymarked distances—9 km, 16 km and 23 km—with outposts on the longer routes and on-site facilities including free parking and timing.

Trail routes from Plumpton Racecourse into the South Downs with three distance options, a tree-lined warm-up, a climb to the South Downs Way and sea views, plus chip timing and finisher medal.

A riverside marathon and half marathon along the River Thames on an accurately measured UKA certified course. Multiple laps on a flat towpath route with medals for all finishers and virtual entries.

A six hour timed event at Suffolk Running Centre on a 10.5 km road and trail loop. Participants run laps to cover distances from 5k up to ultra marathon, with parking included, water provision at the lap point, and a bespoke finisher medal.

Guided 30 mile trail run from Haslemere along the Serpent Trail and Sussex Border Path with varied heathland, woodland and views of the South Downs. Group based pace and advised prior training of 22 miles; cost £45.

Join the Christmas Advent Run on Sunday 29 November in Walton on Thames for a festive riverside run. Tackle timed laps to suit you and enjoy optional medal and chocolate advent calendar plus a prize draw.

A community charity run in Campbell Park, Milton Keynes offering 1.5k, 5k, 10k and half marathon options with chip timing, medals, refreshments and a fancy dress element to support Movember and men's health.

Trail races at Mapledurham Estate offering 10K, 10 Mile and Half Marathon routes over muddy paths and woodland, with on-course water, finish refreshments and race amenities included.

Trail 5K and 10K races at the Tewinbury estate in Hertfordshire featuring undulating dirt, grass and woodland trails, full waymarking with marshals, a midcourse aid station and chip timing for up to 400 runners.