Trail Running calendar near Welwyn 2026-2027

We have found 563 Trailruns within 80 miles of Welwyn. See below where and when you can find the races.

A six-hour off-road event at Salcey Forest on a 3.5-mile loop where participants run as many laps as they wish. The course is forest trails with aid-station treats, canicross permitted, parking available and a GPX route provided.

A night trail 10k at Salcey Forest on 20 November 2026 that requires a head or chest torch; Petzl will have demo torches on site. The route is two laps on crushed stone, canicross runners start 10 minutes before the main field.

A fully marked 50K trail race from Putteridge Bury on 21 November 2026 with three aid stations, a varied undulating route through the North Chilterns and an overall time limit of 8h45.

Riverside trail runs from Alexandra Gardens, Windsor with 21.8k and 16.1k routes. The chip timed course features water stations, marked signage, first aid cover and finisher medals and refreshments.

A half-day 10 km trail run around the Chiltern Hills that finishes with a private brewery tour and tasting at Tring Brewery. Groups are split by ability and participants must be able to run 5 km without stopping.

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 *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..

A guided 10 km trail run around the Devil's Punchbowl in Hindhead, Surrey. Group paced on hilly trails with sunset and night options, equipment trials, and an alcohol free beer offered subject to availability.

A gravel trail run around Wantisden Hall in the Suffolk AONB offering three distances of 23 km, 16 km and 9 km on flat forest trails, with marked and timed courses, outposts on longer routes and free parking at the venue.

Trail run from Plumpton Racecourse into the South Downs National Park offering three distances, climbs to the South Downs Way with Seven Sisters and sea views, and a flat final 3 km to the finish.

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 lap event at Suffolk Running Centre on 28 November 2026 using a 10.5 km road and trail loop. Runners can complete multiple laps to reach distances from 5k to ultra and will receive a bespoke event medal.

A guided 30 miles of trail starting and finishing in Haslemere, following sections of the Serpent Trail and the Sussex Border Path. Group pace with guidance from an experienced ultra runner and a recommended prior long run of 22 miles.

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.

December 2026

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.

A trail half marathon around Hughenden Manor on mostly forest paths with undulating terrain, waymarking and three aid stations. Entry includes chip timing, a finisher souvenir and on-course nutrition.

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