Trail Running calendar near Harwich 2025-2026

We have found 152 Trailruns within 80 miles of Harwich. See below where and when you can find the races.

The London 2 Brighton Ultra Challenge is a premier endurance event that invites participants to traverse a scenic 100 km route from Richmond-Upon-Thames to Brighton. Scheduled for May 2025, the challenge accommodates various distances, including quarter, half, marathon, and full options, ensuring in..

The Angles Way Ultra is a long-distance trail running event taking place on May 25, 2025, along the scenic Waveney River valley, spanning the Norfolk/Suffolk border. Participants can choose between a 100k ultra starting in Diss and a 50k ultra from Shipmeadow, both concluding in Great Yarmouth. The ..

The Three Castles 50km Ultra Marathon invites participants to run along the scenic River Medway, passing three historic castles and charming villages. This event is designed for both seasoned ultra runners and newcomers, featuring a flat course with well-stocked aid stations. The route begins in Roc..

June 2025

The Circuit du Sore Legs is an annual running event taking place at Wodson Park Sports and Leisure Centre in Ware, Hertfordshire. Participants can choose from various distances, including 5k, 10k, half marathon, full marathon, and a 50k ultra, all run on a 400-meter athletics track. The event featur..

The Oliver Fisher 10K & 5K is a charitable running event taking place at Milton Creek Country Park, designed to raise awareness and funds for the Oliver Fisher Special Care Baby Trust. Scheduled for June 1, 2025, this event marks the charity's 40th anniversary and promises a family fun atmosphere al..

The Sundowner Marathon is a unique running event that takes place over a summer evening, allowing participants to experience a scenic route that includes canals, waterfalls, vineyards, woodlands, and coastal saltmarshes. Scheduled for June 7-8, 2025, this marathon offers a captivating atmosphere as ..

The Suffolk Back Yard Ultra is a highly competitive running event held at High Lodge Thetford Forest. Participants must complete a 4.167-mile loop every hour on the hour, continuing until only one runner remains who can finish a loop within the one-hour time limit. The event features chip timing and..

The Jubilee Hall Trust's "Run for Your Life" is an annual running event taking place in Hampstead Heath, London, featuring 10K, 5K, and 2K courses. Celebrating its 10th edition in 2025, the event welcomes participants of all abilities, including families and beginners. Runners will enjoy scenic trai..

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 race features a scenic 10K route that meanders through a variety of terrains, including single-track forest paths ..

The Valley of the Owls Run, organized 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 mass start. ..

Stately Trails: Forcett Park is an exciting running event set in the historic Forcett Park, featuring a scenic two-lap course that showcases ancient Iron Age fortifications and a Georgian grotto. Participants can choose between a 5km or 10km run, with trails winding through pasture fields, farm trac..

The Robertsbridge Midsummer 10K & 5K is a vibrant community running event set to take place in 2025 in the picturesque village of Robertsbridge, East Sussex. Organized by the Robertsbridge Bonfire Society, this event features races for all abilities, including a Junior Run to inspire young athletes...

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

The Triffic Trail is an annual running event held in the scenic Trent Country Park, Enfield, London. It features a variety of courses, including a 10 km senior race, a 4.5 km junior race for participants under 18, and a 4.5 km fun run for those under 12. The event caters to all levels of runners, fr..

The Hawkhurst 10K & 5K is a vibrant running event held in the picturesque village of Hawkhurst, Kent. Designed for the whole family, it features two race distances along with a free junior race, promoting community spirit and healthy competition. Participants can enjoy a scenic course that includes ..

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 features an entirely off-road route that spans 21.2 kilometers with an elevation gain of over 450 meters. Participants ..

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The Chelmsford Brew Co Summer 10k Trail Run is a fun, non-competitive event scheduled for June 26, 2025. Participants will navigate a GPX/Strava route, with a checkpoint at the brewery where they can enjoy a drink and relax for up to 20 minutes. Entry includes a beverage at the brewery checkpoint an..

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 Zigzag Cock-A-Doodle Dawdle is a running event returning for its second year at Hyde Hall Farm in Hertfordshire. Participants can choose from various distances, including 5k, 10k, Half Marathon, Full Marathon, and Ultra Marathon. The event features a scenic trail course that starts at the farm's..

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. Scheduled for July 4-5, 2025, the event features a mixed terrain of trails, footpaths, tracks, and roads, with a total elevation gain of 3,469 feet. Runne..

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