Trail Running calendar near Chelmsford 2025-2026

Join a guided 10 km group trail run through Thursley National Nature Reserve, featuring heathland, boardwalks and abundant birdlife. Suitable for steady runners at about 10 min per mile pace, with sunset and night sessions plus kit trials.

The The Maverick Chilterns Trail will take place in Wendover on Saturday 11 July 2026.

The Spitfire Scramble is a unique 24-hour multi-terrain relay or solo race held at Albyns Farm, London Borough of Havering. Participants can run solo or in teams of two to eight, tackling a 5.75-mile lap repeatedly through day and night. Th..

Race to the Stones runs along The Ridgeway, Britain’s oldest footpath, ending at Avebury Standing Stones. In 2026 it offers 50 km and 100 km distances, either non-stop or split over two days, with a ~25 hour cut-off, on 11–12 July. Runners..

Ultra:5K Kempston is held at Box End Park, Box End Rd, Kempston MK43 8RQ. The event, scheduled for Sunday 12 July, offers a simple but challenging format: participants run a 5K on the hour, every hour, for five hours. A three-race option is..

Join the Norfolk Festival of Running at Bawsey Country Park for looped sand, gravel and grass trails with distances from 5k to ultra marathon. Small field, lap based courses with on site aid and parking included for a relaxed race day.

Shotley 24 is a 24 hour camping and trail running challenge on a scenic 4.3 mile coastal loop around the Shotley peninsula. Run solo, in pairs or teams and enjoy riverside tracks, forest paths, yoga and a lively community atmosphere.

Run through scenic Wendover Woods with 5K and challenging 10K trail options plus a 1.5K accessible loop. Limited to 500 runners, with chip timing and a finisher medal for all.

Event overview ATW St Albans Summer 10K takes place at Highfield Park in St Albans, Hertfordshire on 19 July 2026. The event includes the main 10K race and a free family fun run for all ages. The race is chip-timed and pacers are available...

Enjoy scenic trails at Winwick Hall with 10k, 5k and a fun 2k kids run. Fully marshaled courses, medals, charity support and refreshments make it a great family day out.

BigHeat Trails (FIRE) is the third event in the Classic Element Trail Series, held at Rother College in Midhurst, Surrey. Inspired by the element of fire, this trail running event offers two challenging single-lap distances: a marathon and..

Great Barrow Challenge Day 1, hosted by Zig Zag Running, kicks off at the Suffolk Running Centre in Bury St Edmunds (IP29 5AX). This is the first day of a 10-day, individual endurance series offering 5k, 10k, half, full, or ultra distances,..

Great Barrow Challenge - 10 events in 10 days is hosted by Zig Zag Running at the Suffolk Running Centre, Church Road, Bury St Edmunds, IP29 5AX. This exclusive multi-day challenge offers ten daily routes ranging from 5k to ultra distances,..

Join a friendly 7 hour timed run along the Thames at Wraysbury, with flat paved loops suitable for road shoes. Pick distances from a 3 km loop up to marathon and ultra, and enjoy a medal plus goody bag and riverside views.

Run The Rings Marathon or 50K from Shoreham by Sea along riverside trails and the South Downs ridge for sweeping coastal views. Fully marked and chip timed, this scenic challenge offers bespoke medals and a lively finish.

Enjoy a scenic, flat trail run around Maidenhead Commons and Summerleaze Lake on Sunday 26 July 2026. Choose 5K, 10K or half marathon and earn a themed medal with free race photos, chip timed results and a lively event village.

Explore the scenic North Downs from Loseley Park basecamp with 10 km, 25 km, 50 km or point to point routes across Surrey hills. Fully supported with regular aid stations, medical cover, GPS tracking and on site camping or rooms.

Run the Vanguard Way Marathon or Half on 2 August 2026 from Croydon along scenic Surrey and Sussex woodlands and ridges. Finishers receive a medal plus a goody bag with a race t shirt and snacks.

Run from Oxford to Henley along the scenic Thames Path in the MTC Oxford Ultra, a 49 mile point to point ultramarathon on 7 August 2026. Enjoy riverside views, timed checkpoints and a bespoke finisher medal with a choice of tech shirt mug o..

Scenic 7 hour timed run along the River Thames on 7 Aug 2026 lets you choose any distance from 3 km to ultra. Finishers get medals and distance pins, with aid stations, cafe and vegan goody bags.