Trail Running calendar near Grantchester 2024-2025

We have found 262 Trailruns within 80 miles of Grantchester. See below where and when you can find the races.

The Ridgeway Challenge is an 86-mile (139 km) point-to-point trail running race that traverses the entire length of The Ridgeway National Trail, from Ivinghoe Beacon in Hertfordshire to the Avebury Stones in Wiltshire. This historic route has been in use for over 5,000 years. Participants have a tim..

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June 2025

The Circuit du Sore Legs is an annual running event held at Wodson Park Sports and Leisure Centre in Ware, Hertfordshire. This year marks its fifth edition, featuring various distances including 5k, 10k, half marathon, full marathon, and a 50k ultra, all run on a 400-meter athletics track. Participa..

The Sundowner Marathon is an exciting trail running event scheduled for June 7, 2025. Participants will experience a unique course that weaves through coastal saltmarsh, canal towpaths, vineyards, and forests, culminating in a scenic sunset run. Runners will complete two loops, allowing for a checkp..

The Suffolk Back Yard Ultra is a highly competitive running event held at Knettishall Heath Nature Reserve. Participants run a distance of 4.167 miles every hour on the hour, continuing until only one runner remains who can complete the loop within the one-hour time limit. The event features chip ti..

The Valley of the Owls Run, hosted by Zig Zag Running, takes place in the picturesque village of Ousden, Suffolk, known for its historic roads and beautiful countryside. Participants can choose from various distances, including 5k, 10k, Half Marathon, Full Marathon, and Ultra, with a focus on a soci..

The Tewinbury Trail 10K is an exciting trail running event set in the picturesque Tewinbury Farm & Hotel, located just north of Welwyn in Hertfordshire. Scheduled for June 8, 2025, this 10K race features a scenic route that combines various terrains, including single track forest paths and open trac..

The Nene Valley Trail Run features friendly and scenic 10 and 20-mile trail races set in the picturesque Northamptonshire countryside. Participants will enjoy easy tracks, ancient woodlands, and charming villages, making it suitable for both novice and experienced trail runners. The event promotes e..

Run Sandringham 10K & 5K is an exciting running event set to take place at the picturesque Sandringham Estate on 28th September 2025. Organized by Good Running Events, this race welcomes participants of all ages and abilities to enjoy a scenic route through the Royal Estate, raising funds for charit..

Beyond London is an exciting trail and ultra running event that invites participants to explore hidden trails in the capital. Offering two distance options—25km and 55km—runners can experience iconic sights like Eltham Palace and Richmond Park while navigating the scenic Capital Ring footpath. The e..

The Centaur 100 Mile Ultra, organized by Phoenix Running, is a unique endurance event designed for both seasoned ultra-runners and first-timers. Set in a scenic wine estate, participants have up to 30 hours to complete the 100-mile challenge on a flat, one-mile loop. The event fosters a supportive a..

The Denbies Marathon & Half Marathon, organized by Phoenix Running, will take place on June 21-22, 2025, at the scenic Denbies Wine Estate in Dorking. This unique event offers participants up to 30 hours to complete their race, with flexible start times available from Saturday morning to late Sunday..

The Castle Bytham 5k Chase is a fun trail run that takes place during the Castle Bytham Midsummer Festival, a popular two-day event in Lincolnshire. Open to participants of all ages and abilities, the run encourages both competitive runners and casual walkers to join in. The festival features a vari..

The Railway Children Ultra is a one-day ultramarathon event organized by XNRG, supporting the Railway Children Charity. Participants can choose between 50 or 30-mile routes, starting from Upminster Station and Lansdowne Primary School, respectively. The scenic course follows the Thames, incorporatin..

P24 - The Longest Attended Day is an endurance running event taking place at Denbies Wine Estate in Dorking, coinciding with the summer solstice weekend. Participants challenge themselves to run 1 mile on the hour, every hour, for 24 consecutive hours. The event features a flat mile route, full chip..

The Three Shires Way Ultra & Marathon is a scenic running event featuring a 50-mile ultra and a marathon distance race, set in the picturesque rural landscapes and ancient woodlands of Buckinghamshire, Bedfordshire, and Northamptonshire. The routes are well-marked and suitable for both beginners and..

The Midsummer Murder event offers a thrilling trail running experience in the picturesque Hambleden Valley, nestled between Henley on Thames and Marlow. Participants can choose between a challenging 10-mile course and a half marathon, with the latter measuring 14.3 miles. Both routes feature stunnin..

The Dunstable Downs Half Marathon is a scenic trail running event set in the picturesque National Trust's Dunstable Downs estate. Scheduled for June 22, 2025, this challenging race covers a distance of 21.2 km with an elevation gain of over 450 meters, featuring stunning ridgeline views, exhilaratin..

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The Colworth Marathon Challenge is a unique running event held in the scenic Colworth Estate, North Bedfordshire, UK. Participants can choose to enter one, two, or all three races, which together total 26.2 miles. The event features a multi-terrain 5-mile race, an 8.1-mile cross-country trail, and a..

The Cock-a-doodle Dawdle is a running event returning for its second year at the scenic Hyde Hall Farm in Hertfordshire. Participants can choose from various distances, including 10k, Half Marathon, Full Marathon, and Ultra Marathon, making it suitable for runners of all levels. The event features a..

July 2025

The Full Essex Way Ultra is an 82-mile ultra-marathon that takes participants from Epping tube station in London to the historic port of Harwich. The event showcases the scenic Essex Way trail, featuring a mix of terrain including trails, footpaths, tracks, and roads, with a total elevation gain of ..