Trail Running calendar near Hertfordshire 2025-2026

The Great Barrow Challenge Day 2, hosted by Zig Zag Running, takes place at the Suffolk Running Centre in Bury St Edmunds. This event is part of a 10-day challenge, offering participants the flexibility to choose their distance, including options for 5k, 10k, half marathon, full marathon, or ultra m..

The Kennet & Avon Canal 145 Mile Race (KACR) is a non-stop ultra-running event taking place from Little Venice, London, to Bristol. Scheduled for July 25, 2025, this race covers a scenic route along canal, river, and railway paths, featuring detailed maps for navigation. Participants, aged 20 and ov..

The Maverick X Series East Sussex 2025 is a trail running event set in the picturesque Stanmer Park, featuring three distinct routes: Ultra (55 km), Long (41 km), Middle (21 km), and Short (14 km). Participants will experience the stunning landscapes of the South Downs Way, including the iconic Ditc..

The Great Barrow Challenge, hosted by Zig Zag Running, is a 10-day running event taking place at the Suffolk Running Centre in Bury St Edmunds. Day 3 features individual entries for various distances, including a full marathon and a half marathon, with specific routes like Kirtling and Windmill. Par..

The Great Barrow Challenge, hosted by Zig Zag Running, is a 10-day running event taking place at the Suffolk Running Centre in Bury St Edmunds. Day 4 features the Gallops route, offering participants the flexibility to choose their distance, including options for 5k, 10k, half marathon, full maratho..

The 3 Brewers 10km is a scenic trail run set in the picturesque Hertfordshire countryside, starting from the 3 Brewers Brewery. This multi-terrain course features local trails, woodlands, and country lanes, making it suitable for runners of all abilities, with a generous 2-hour cut-off time. Partici..

The Trifarm 10k Summer Trail Run is an exciting off-road running event scheduled for July 28, 2025, as part of the Trifarm trail seasonal series. The race features a scenic 10k route that is over 95% off-road, utilizing public footpaths and bridleways around the picturesque Trifarm location in Boreh..

The Great Barrow Challenge, hosted by Zig Zag Running, is a 10-day running event taking place at the Suffolk Running Centre in Bury St Edmunds. Day 5 features the Dalham Kiln Half Route, offering participants the flexibility to choose their distance, including options for 5k, 10k, half marathon, ful..

The Great Barrow Challenge, hosted by Zig Zag Running, is a 10-day running event taking place at the Suffolk Running Centre in Bury St Edmunds. Day 6 features the Golding Hills route, offering participants the flexibility to choose their distance, including options for 5k, 10k, half marathon, full m..

The Great Barrow Challenge, hosted by Zig Zag Running, is a 10-day running event taking place at the Suffolk Running Centre in Bury St Edmunds. Day 7 of the challenge offers participants the opportunity to choose their distance, including options for 5k, 10k, half marathon, full marathon, or ultra m..

The Great Barrow Challenge, hosted by Zig Zag Running, is an exciting 10-day running event taking place at the Suffolk Running Centre in Bury St Edmunds. Day 8 of the challenge offers participants the chance to choose their distance, with options including 5k, 10k, half marathon, full marathon, or u..

The Great Barrow Challenge, hosted by Zig Zag Running, is a 10-day running event taking place at the Suffolk Running Centre in Bury St Edmunds. Day 9 of the challenge offers participants the opportunity to choose their distance, including options for 5k, 10k, half marathon, full marathon, or ultra m..

The Wendover Woods 10K is an exciting trail running event taking place in the scenic Wendover Woods, designed to raise funds for the Chilterns Neuro Centre, which supports individuals affected by multiple sclerosis, Parkinson’s, and stroke. Participants can choose between a challenging 10K or a 5K r..

The Great Barrow Challenge, hosted by Zig Zag Running, offers participants a unique opportunity to challenge themselves over ten days at the Suffolk Running Centre in Bury St Edmunds. Day 10 features the Hargrave Half Route, with options for various distances including 5k, 10k, half marathon, full m..

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

The Sussex Loops is a challenging running and walking event taking place on August 3, 2025, starting from Forest Row Village Hall in East Sussex. Participants can choose from four distances: 12, 18, 25, or 31 miles, with a maximum elevation gain of 3,250 feet. The course consists of three loops that..

The Vanguard Way Marathon is a scenic running event that features both a full marathon (26.2 miles) and a half marathon (13.1 miles), taking place on August 4, 2024. The course follows part of the Vanguard Way, a 66-mile national trail that stretches from East Croydon to Newhaven, showcasing beautif..

The Guided 10K Pub Run will take place in New Alresford on Sunday 3 August 2025. You can run 10 kilometers.

The Ivybridge 3 Tops is a part of the Dartmoor Fell Series, organized by the Erme Valley Harriers. This event features a challenging approximately 10k race with a 450m climb, offering stunning views over the South Hams. The course includes a mix of terrain, starting with a brisk ascent up Western Be..

The MTC Thames Challenge is a four-day ultra marathon covering a total distance of 184 miles along England's longest river path, the Thames. Participants will tackle unique stages each day, including the Cotswold Ultra, Oxford Ultra, Windsor Ultra, and Richmond Ultra. All finishers receive bespoke m..