Trail Running calendar near Colchester 2025-2026

We have found 227 Trailruns within 80 miles of Colchester. See below where and when you can find the races.

The RunThrough Marlow Trail Run is scheduled for Sunday 28 June 2026. The event base is Marlow Rugby Union Football Club, Riverwoods Drive, Marlow SL7 1QU. Group bookings for six places are listed at £150. Half Marathon - £32 (+£12 for event T-shirt) 10K - £28 (+£12 for event T-shirt) 5K - £26 (+£..

July 2026

The Full Essex Way Ultra is an 82-mile ultra-marathon along the full Essex Way trail. The route starts at Epping tube station and finishes at the high lighthouse in the port of Harwich. The event is scheduled for 3-4 July 2026. The course uses mixed terrain: trail, footpath, track and road. Total e..

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The Bishop's Stortford Mitre 10k, 5k, and 1k is a community road race held in East Hertfordshire, starting from Jobbers Wood sports ground near Much Hadham. Open to all ages and abilities, the event features professionally measured 10k and 5k courses on traffic-free country lanes with gentle undulat..

Fen Gallop 2026 is a scenic running event held in Willingham, Cambridgeshire, featuring flat, multi-terrain courses along country roads, footpaths, and bridleways. Participants can choose between a 10K race or a shorter 4-mile option, both offering chip timing. The event welcomes runners aged 15 and..

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..

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Thursley Common 10km, run by Running Adventures, is a 10-kilometre trail event through Thursley National Nature Reserve (325 hectares) in Surrey. The route winds over open heathland, peat bogs, pine and deciduous woods, including the famous boardwalk crowned Britain's Favourite Path. Described as th..

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..

Winwick Hall Trail Races take place at Winwick Hall, Winwick, Northamptonshire. The event includes three distances: 10k 5k 2k (children’s fun run) Entry fees are listed as £20 for the 10k, £15 for the 5k, and £8 for the 2k. Minimum ages on race day are 16 for the 10k, 12 for the 5k, and 4 for the..

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 (..

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, with your race at your pace. Day 1 features the Denham Flat..

Race The Light at Wendover Woods, organized by Runaway Racing, is held at Wendover Woods, Upper Icknield Way, Wendover HP22 5NQ. Runners can tackle a 10K (250m+ ascent) or a 5K (125m+), plus a 1.5K accessible loop for wheelchair users. The entirely woodland course stays on Wendover Woods trails with..

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..

August 2026

North Downs 50 Ultra Challenge takes place on the North Downs in Surrey, starting and finishing at Loseley Park, Guildford, with 25 km and 10 km options. The 50 km loop uses the North Downs Way through Surrey hills, offering scenery and views southward with easy access from London. Participants walk..

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..

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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 Foxton Hound Ultra is an ultra-distance trail event around Market Harborough. It offers two distances: 50k 100k The race is licensed by the TRA and held under UKA rules. Race headquarters, start and finish are at Winwick Hall, Winwick, Northamptonshire. Prizes are awarded to the top three mal..

The Black Bull 15 is a charity trail run held near the Black Bull pub in Chelmsford. It offers two distances: a 15-mile trail route and a 15km option for shorter, faster runs, jogs or walks. The course uses varied trail surfaces through parkland and countryside, with a narrative route and Strava-bas..

Gosfield Backyard Ultra is a last-man-standing running event held at Gosfield School, Halstead Road, Gosfield CO9 1PF, Essex, UK from 29 August 2026 to 31 August 2026. Entry is limited to 100 places. Entry fees range from about £78 to £90, with discounted rates for members of clubs affiliated to EA..