Trail Running calendar near Aylsham 2025-2026

The Zig Zag Marathon and Half Marathon take place at the Suffolk Running Centre in Bury St Edmunds, UK. The marathon follows the officially measured, scenic Kirtling Route, which is fully on road and mildly undulating, while the half marathon uses the Windmill Route, both featuring quiet roads. The..

The Halstead & Essex Marathon, held annually in North Essex, celebrates its 30th year in 2026. Established in 1995, the event is hosted by Halstead Road Runners and attracts runners from across the UK. The marathon course features scenic, low-traffic roads through rolling hills, woods, and farmlands..

The Five Rivers Ultra is a scenic ultra-endurance running event held along the wild North Essex and South Suffolk coastline, finishing in Harwich, Suffolk. It offers three distance options: 100 miles, 50 miles, and 50 km, all featuring generous cut-off times. The point-to-point course traverses beau..

The Grim Reaper Running Festival 2026 takes place at the scenic Grimsthorpe Castle Estate in South Lincolnshire. Scheduled for May 23-24, the event offers multiple race distances: solo 10, 40, 70, and 100 miles, plus a 100-mile team relay. The course features a fully marked 10-mile loop combining gr..

The Suffolk Back Yard Ultra is a highly competitive endurance running event held at High Lodge in Thetford Forest, Suffolk. Participants run a 4.167-mile loop every hour on the hour, continuing until only one runner completes a loop within the hour time limit. The course is flat, wide, and scenic, f..

The Valley of the Owls Run, organized by Zig Zag Running, takes place at the Suffolk Running Centre in Bury St Edmunds, Suffolk. The scenic course passes through the village of Ousden, known as the Valley of the Owls, featuring some of England’s oldest roads and beautiful countryside. Participants c..

The Nene Valley Trail Run is a friendly and scenic off-road running event held at Castle Farm Campsite in Fotheringhay, near Peterborough. Scheduled for June 13, 2026, it offers two race distances: 10 and 20 miles. The courses traverse the beautiful Nene Valley trails, featuring easy tracks through..

The Summer Solstice Challenge in Colchester is a unique running event held at the scenic Abberton Reservoir Visitors Centre. Taking place on the longest day of the year, participants run laps of just over 5k on off-road paths around the reservoir, enjoying beautiful countryside views and abundant wi..

Run Sandringham 10K & 5K is a scenic running event held within the Royal Sandringham Estate in East Anglia. Open to runners aged 16+ for the 10K and 12+ for the 5K, the race offers a mixed-terrain course featuring approximately 30% trail and 70% road surfaces, winding through the estate's picturesqu..

The Cock-a-doodle Dawdle, organized by Zigzag Running, is a trail running event held at the scenic Hyde Hall Farm in Buntingford, Hertfordshire. Now in its third year, the race offers multiple distance options including 5k, 10k, 15k, Half Marathon, Heavy Half Marathon, Full Marathon, and Ultra Marat..

Fen Gallop 2026 is a scenic running event held in Willingham, Cambridgeshire, featuring flat, multi-terrain courses along country roads, footpaths, and bridleways. Participants can choose between a 10K race or a shorter 4-mile option, both offering chip timing. The event welcomes runners aged 15 and..

The Norfolk Festival of Running, held at the scenic Bawsey Country Park in Norfolk, offers a variety of race distances including 5k, 10k, 15k, Half Marathon, Full Marathon, and Ultra Marathon. This trail event features an undulating course with terrain comprising sand, gravel, and grass, suitable fo..

The Great Barrow Challenge, hosted by Zig Zag Running, is a unique 10-day running event held at the Suffolk Running Centre in Bury St Edmunds. Participants can choose to run distances ranging from 5k and 10k to half marathon, full marathon, or ultra marathon, with the freedom to set their own pace...

The Boudicca Way 50km Ultra is a beginner-friendly ultramarathon held in Norfolk, England, following the historic Boudicca Way long-distance path from Diss to Norwich. This scenic 50km route passes through charming villages such as Pulham Market, Fritton, Saxlingham, Stoke Holy Cross, and Caistor St..