Trail Running calendar near Colchester 2025-2026

We have found 238 Trailruns within 80 miles of Colchester. See below where and when you can find the races.

'Twas The Run Before Christmas is a festive running event held at Brandon Country Park in Suffolk, set within Thetford Forest. Participants can choose between a 6-hour or 4-hour race, completing as many laps as possible on a 5.3k multi-terrain course. This event caters to runners of all levels, from..

The Christmas Canter is a festive running event held at the Suffolk Running Centre in Bury St Edmunds. Participants can choose from various distances, including 5k, 10k, half marathon, full marathon, and ultra, with a seven-hour cut-off time. The course features an out-and-back route for shorter dis..

The Elves 11ish Trail is a unique narrative trail race taking place on December 21, 2025, starting and finishing at the Blackwater Leisure Centre. Participants will navigate a circular route of 11 miles, primarily off-road, using written instructions instead of traditional markers. A well-stocked ch..

The Winter Wanderlust 50km is an exhilarating ultra-trail race set against the stunning winter landscape of Kent. Participants will embark on a scenic journey from Detling to Wye, traversing the North Downs Way, with a mix of challenging climbs and breathtaking views. The event features well-stocked..

The Die Hard Christmas Marathon and Half Marathon is a festive running event taking place on December 24, 2025, at Caldecotte Lake in Milton Keynes. Participants can choose between a full marathon, consisting of 7.5 scenic laps, or a half marathon with 3.5 laps. The event features a supportive atmos..

The The Seven Sins Run & Immortal Sinner will take place in Blakeney from Saturday 27 December 2025 to Monday 29 December 2025.

January 2026

The Knacker Cracker is renowned as "Britain's toughest 10k," featuring a challenging course that includes significant elevation changes, with a total ascent of 473 meters. The race, set in the scenic surroundings of Box Hill and Denbies Vineyard, offers a unique experience for runners, including a k..

The East Hanningfield Trail Marathon is a unique narrative trail race set in the picturesque village of Danbury. Participants navigate a circular route that is predominantly off-road, covering diverse terrains without marshals or arrows, relying instead on written instructions. The event features th..

Dark Skies Surrey Hills is an exhilarating night trail running event set in the picturesque Surrey Hills, featuring races of 10 miles, 10K, 5K, as well as Canix and children's races for ages 3-11. Participants navigate through enchanting woodlands under the stars, illuminated by headlamps, making fo..

The Country to Capital Ultra Marathon is a renowned 43-mile race that marks the beginning of the ultra running season. Set in the picturesque Buckinghamshire countryside, the course takes participants through diverse terrains, including trails and canal towpaths, culminating near the Little Venice c..

The "WTF - Where's The Finish?" event, organized by Zig Zag Running, takes place at Brandon Country Park in Suffolk. This unique running challenge allows participants to run for either six or four hours, covering a 5.3k multi-terrain loop through the scenic Thetford Forest. Runners can choose their..

The Windmill Way Wander is an exciting running event hosted at the Suffolk Running Centre in Bury St Edmunds. Participants can choose from various distances, including 5k, 10k, half marathon, full marathon, and ultra, with a seven-hour cut-off time. The course features an out-and-back route for shor..

The Ashdown Forest 10 & 5 Mile Series is an eco-friendly running event held at Pippingford Park, featuring two races designed to provide an exhilarating experience in a sustainable environment. The series includes a 10-mile and a 5-mile race, both set against the stunning backdrop of Ashdown Forest...

February 2026

The Peddars Way Ultra Marathon is a 48-mile running event that traverses the historic landscapes of Suffolk and Norfolk, starting at Knettishall Heath Nature Reserve and finishing at Holme-next-the-Sea on the Norfolk Coast. This ancient route, once a Pre-Roman trading path and later a Roman road, fe..

The Lavenham 10K Race is a scenic trail running event set in the historic village of Lavenham. Participants will navigate a mixed terrain course that includes footpaths, forest trails, and rural roads, providing a challenging yet enjoyable experience. The race is open to runners of all abilities, wi..

The 'Rayne'ing Medals Anniversary Challenge is a running event celebrating six years of Hare & Tortoise Running, taking place on The Flitch Way in Rayne. Participants can choose from five entry options, including a marathon, 6-hour timed event, 5km, 10km, and half marathon. The course features 5km l..

The St Peter's Way Ultra is a challenging 42-mile running event that traverses the historic countryside of Essex, from Chipping Ongar to the ancient chapel of St Peter-on-the-Wall at Bradwell on Sea. This route, part of an ancient pilgrimage trail dating back to the 7th century, offers scenic views..

March 2026

The Humanity Direct Amersham Ultra is a one-day endurance event set in the picturesque Chiltern Hills, offering participants the choice of running or walking distances of 10 km, 25 km, or a full 50 km ultra marathon. This event not only challenges athletes but also supports a noble cause, as all pro..