Trail Running calendar near Chelmsford 2024-2025

We have found 287 Trailruns within 80 miles of Chelmsford. See below where and when you can find the races.

The Winwick Hall Trail Races offer a scenic running experience on the trails surrounding the Winwick Hall Estate, featuring 10k and 5k races, as well as a 2k fun run for children aged 4-12. These fully marked and marshaled events are designed for both novice and experienced trail runners, showcasing..

The Greener Earth Trail Series at Pippingford Park is an eco-friendly running event featuring two races: a 10-mile and a 5-mile option. Set in the picturesque Ashdown Forest, the course offers a mix of woodland, heathland, and parkland, designed to provide an enjoyable experience for both novice and..

The ATW St Albans Summer 10K is an exciting running event designed for the whole family, taking place in Highfield Park, St Albans. The event features a free family fun run, a warm-up session, live music, and various food options, including an ice cream van and a bar. Participants can enjoy a flat, ..

Stately Trails: Aske is a running event set in the picturesque grounds of Aske Hall, a Georgian country house located near Richmond, North Yorkshire. Participants can choose between a 5km or 10km race, both of which traverse beautiful trails through the estate's exclusive parkland, featuring gentle ..

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 1 offers participants the chance to challenge themselves with various distances, including 5k, 10k, half marathon, full marathon, or ultra marathon. Eac..

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 follows scenic canal, river, and railway paths, offering participants detailed maps for navigation. Competitors, aged 20 and over..

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 (42 km), Middle (21 km), and Short (14 km). Participants will experience the stunning landscapes of the South Downs Way, including the iconic Ditc..

UTMB Index

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 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..

August 2025

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 5 & 10K is an exciting trail running event taking place in Wendover Woods, designed to support the Chilterns Neuro Centre charity. Participants can choose between a challenging 5K or 10K route that winds through beautiful woodland, featuring a mix of smooth paths and undulating te..

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 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 elevation gains of up to 3,250 feet. The course consists of three loops that ex..

Run Sandringham 24 is a prominent running event scheduled for August 8-10, 2025, at the Sandringham Estate, the Royal Family's country retreat. This 24-hour trail race invites participants of all abilities to run as many laps as possible around a scenic 5-mile course, with options for solo runners o..

The MTC Oxford Ultra is a challenging 49-mile ultra marathon that takes participants on a scenic route from Oxford to Henley-on-Thames. The race features checkpoints providing food and drink, ensuring runners stay nourished throughout the event. All finishers receive a bespoke medal and can choose b..