Trail Running calendar near Brentwood 2025-2026

Chiltern Ridge Half Marathon is a 21.1km trail race along The Ridgeway National Trail in Buckinghamshire, starting and finishing in Wendover. The course runs from Wendover to Whiteleaf Hill Nature Reserve near Princes Risborough, with a forested loop en route before returning to the start. It is a f..

This is a guided, non-competitive trail run of 10 km in Thursley, Surrey. Two runs were scheduled in 2026, one in February and one in July. The event meets at Thursley Cricket Club, Dyehouse Road, Thursley, Godalming, UK. Cost listed in the event information is £16 per person and a car park is avai..

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 traverse chalk downs, ancient forests, and heritage landscap..

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. The course spans areas managed by Havering and Forestry Englan..

The Norfolk Festival of Running, held at the scenic Bawsey Country Park in Norfolk, offers a variety of race distances including 5k, 10k, 15k, Half Marathon, Full Marathon, and Ultra Marathon. This trail event features an undulating course with terrain comprising sand, gravel, and grass, suitable fo..

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 also available.Competitors accumulate time across the chose..

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 a 16-mile run. The course features winding dusty tracks, sun..

The event takes place at Winwick Hall, Winwick, Northamptonshire NN6 7PD. Races are fully marked and marshaled and use the trails on and around the Winwick Hall Estate. The routes include a mixture of terrain such as grassland, country paths and hard-packed trails, and feature some hills and descen..

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. The event village includes a kids zone after the fun run, a cafe called C..

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, with each day presenting a different course: Denham Flats (..

Zig Zag Running hosts the Great Barrow Challenge at the Suffolk Running Centre, Church Road, Bury St Edmunds, IP29 5AX. This 10-day, individual event offers multiple distances — 5k, 10k, half, full and ultra — with Day 1 featuring the Denham Flats route. Runners can set their own pace across flat an..

Race The Light at Wendover Woods is a Friday evening trail running event planned for 24th July 2026 (TBC) at Wendover Woods, Upper Icknield Way, Aston Clinton, Aylesbury, HP22 5NQ. All proceeds from the event will be donated to the Chilterns Neuro Centre, which supports people affected by multiple..

The Maidenhead Trail Run takes place on Sunday 26th July 2026 at Summerleaze Park, Maidenhead SL6 8SP. The route loops around pathways beside Maidenhead and Cookham Commons and Summerleaze Lake. The Sports Bar at Summerleaze Park serves as the event base and is about a 10-minute walk from Furze Pla..

The North Downs 50 Ultra Challenge takes place on Sat 1 Aug 2026 from a Guildford basecamp. The event uses looped routes on the North Downs Way and Surrey hills, with the main start and finish at Loseley Park, Guildford. The organisers provide marked trails with route signage and GPS tracking via a..

The MTC Oxford Ultra is a point-to-point ultramarathon held on 7 August 2026. The course distance is 49 miles with total ascent of 293 m and total descent of 328 m. The race starts at Travelodge, Abingdon Road, Oxford, and finishes at the Catherine Wheel, Hart Street, Henley-on-Thames. Individual e..

SVP100 is a point-to-point ultramarathon along the Stour Valley Path from Newmarket in Suffolk to Brantham near Manningtree in Essex. The 102 km (63 miles) route is mainly trail (about 95%) with a modest elevation gain and loss (roughly +912m, -957m). Runners pass through the Constable Country lands..

The North Downs Way 100 is a 103-mile continuous trail race along the North Downs Way, from Farnham in Surrey to Ashford in Kent. It aims to finish in under 30 hours, with an 11,000-foot total ascent and a 30-hour cut-off. The course follows the North Downs Way with two deviations around the 50-mile..

ATW Odyssey12 is a multi-terrain running event held at Riverside Park, Regatta Meadow in St Neots, Cambridgeshire (PE19 7AB). It forms part of the ATW First to Full Triathlon Festival, with three events — Odyssey12, Odyssey Triathlon, and St Neots Triathlon (Race 2) — running side by side. Runners c..

The MTC Windsor Ultra is a point-to-point ultramarathon of 47 miles held on 8 August 2026. The route has a total ascent of 155 m and total descent of 182 m. Entry for an individual is listed at £90. All finishers receive a bespoke Windsor Ultra medal and one of a bespoke technical t-shirt, mug or h..

The Foxton Hound Ultra takes place on Saturday 15 August 2026 near Market Harborough. The event offers two distances: 100k 50k Both races follow much of the Harborough Round long-distance footpath and use sections of other named trails in the area. Both events are licensed by the TRA and held und..