Trail Running calendar near Colchester 2025-2026

We have found 229 Trailruns within 80 miles of Colchester. See below where and when you can find the races.

The Great Barrow Challenge Day 5, hosted by Zig Zag Running, takes place at the Suffolk Running Centre in Bury St Edmunds. This event is part of a 10-day running challenge offering various distances including 5k, 10k, half marathon, full marathon, and ultra marathon, allowing participants to choose..

The Trifarm Summer Trail 10k is a scenic trail running event held at Trifarm in Boreham, Chelmsford, Essex. Organized by Multisport-Management, this race is part of a seasonal series and features a mostly off-road course, with over 95% of the route on public footpaths and bridleways. The course foll..

The Great Barrow Challenge Day 6, hosted by Zig Zag Running, takes place at the Suffolk Running Centre in Bury St Edmunds. This event is part of a 10-day running challenge offering various distances including 5k, 10k, half marathon, full marathon, and ultra marathon, allowing participants to choose..

Ashtead Park Summer Series 2025 is the final event in a four-part summer evening orienteering series organized by MVOC, held in Ashtead, Surrey. The event offers two course options: a 60-minute score course for experienced participants, where runners choose which controls to visit within an hour to..

The Zigzag Great Barrow Challenge Day 6 takes place at the Suffolk Running Centre in Bury St Edmunds, featuring the Golding Hills route. This trail event offers multiple distance options including 10k, half marathon, full marathon, and ultra marathon, catering to various fitness levels. The course i..

The Great Barrow Challenge Day 7, hosted by Zig Zag Running, takes place at the Suffolk Running Centre in Bury St Edmunds, IP29 5AX. This event is part of a 10-day series offering individual day entries with multiple distance options including 5k, 10k, half marathon, full marathon, and ultra maratho..

The Great Barrow Challenge Day 8, hosted by Zig Zag Running, takes place at the Suffolk Running Centre in Bury St Edmunds. This event is part of a 10-day series offering various distances including 5k, 10k, half marathon, full marathon, and ultra marathon, allowing participants to choose their own p..

August 2025

The Great Barrow Challenge Day 9, hosted by Zig Zag Running, takes place at the Suffolk Running Centre in Bury St Edmunds, IP29 5AX. This event is part of a 10-day series offering individual day entries with multiple distance options including 5k, 10k, half marathon, full marathon, and ultra maratho..

The Wendover Woods 10K, organized by Runaway Racing, is a trail running event held at Wendover Woods, Buckinghamshire. The race features a challenging 10-kilometer course with over 250 meters of elevation gain, set entirely on well-marked woodland trails without road crossings. The route offers a mi..

The Round the Rock will take place in Morden on Saturday 2 August 2025. You can run 46 miles.

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The Orion Harriers Forest Five Series is a running event held at Jubilee Retreat, featuring a 5-mile race through forest terrain. Established in 2009 to support the Orion Harriers clubhouse, the 2025 series includes three races on Saturday mornings in June, July, and August. The third race also serv..

The ZigZag Great Barrow Challenge Day 10 is a trail running event held at the Suffolk Running Centre in Bury St Edmunds, IP29 5AX. This event offers individual day entries with multiple distance options including 5k, 10k, half marathon, full marathon, and ultra marathon, allowing participants to cho..

Sussex Loops is a challenging outdoor event held at Forest Row Village Hall in East Sussex, featuring distances of 12, 18, 25, or 31 miles with up to 3,250 feet of ascent. The course consists of three loops exploring the scenic Ashdown Forest and surrounding countryside: the South Loop (12 miles), W..

The Vanguard Way Marathon is a scenic running event held near Croydon, starting from East Croydon Station, just 20 minutes from central London. It offers both a full marathon (26.2 miles) and a half marathon (13.1 miles), following part of the Vanguard Way National Trail, a 66-mile route stretching..

The Ivybridge 3 Tops is a challenging fell running event held in Dartmoor, organized by Erme Valley Harriers as part of the Dartmoor Fell Series. The race covers approximately 10 kilometers with 450 meters of climbing, offering stunning views over the South Hams. The course features a brisk start up..

Run Sandringham 24 is a premier 24-hour trail running event held at the scenic Sandringham Estate, the Royal Family's country retreat in Norfolk, England. Participants can run solo or in teams of up to 12, completing laps of a 5-mile course through beautiful Royal Parkland and Norfolk countryside. T..

The Thames Meander Summer is a scenic riverside running event held in Richmond, starting at the Petersham & Ham Sea Scouts HQ. It features three fast, flat, and well-marked out-and-back trail routes along the Thames Path: a 10km (one 6.25-mile lap), a half marathon (two 6.55-mile laps), and a marath..

The Stour Valley Path 100 (SVP100) is a prominent ultra running event in England, featuring a 100km (62-mile) point-to-point race along the scenic Stour Valley Path from Newmarket, Suffolk, to Cattawade near Manningtree, Essex. Known for its beautiful countryside landscapes famously painted by John..

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The Mount Ephraim 10K is a celebrated running event held at the scenic Mount Ephraim Gardens in Kent. Known as an "absolute gem" by RunABC, the race features a 10-kilometer course through quiet, undulating country lanes surrounded by the picturesque Kent countryside. The event also includes a Junior..

The Cold Norton Charity Summer Half Marathon Trail Event, scheduled for August 10, 2025, offers participants a choice between a 10km and a 13.1-mile route through the scenic countryside of Cold Norton, Essex. This charity event supports Farleigh Hospice, providing essential care for those with life-..