Trail Running calendar near Stock 2025-2026

The Zig Zag Challenge is a timed running event held at Brandon Country Park in Suffolk, located in the heart of Thetford Forest. Participants can choose between a 6-hour or 4-hour challenge, running multiple laps of a 5.3 km multi-terrain course featuring gravel footpaths and grass areas. The event..

The Springtide 50k is an ultra running event held in the historic town of Arundel, West Sussex. The race features a single-loop course through the scenic South Downs, offering a runnable and non-technical route ideal for both beginners and experienced ultra runners. Participants enjoy stunning views..

The Rose of the Shires Ultra Marathon is a 54-mile circular race through Northamptonshire's scenic countryside, starting and finishing at Brixworth Country Park. The course features approximately 70% trails and 30% roads, including footpaths, country trails, roads, and canal towpaths, with an elevat..

The 50 Mile Grand Slam 2026, organized by Centurion Running, is a series of four challenging 50-mile ultramarathons held across iconic UK trails. The event includes the South Downs Way 50, North Downs Way 50, Chiltern Wonderland 50, and Wendover Woods 50, taking place between April and November 2026..

The Centurion South Downs Way 50® is a challenging 50-mile foot race held annually along the South Downs Way National Trail in Southern England. Starting in Worthing and finishing with a lap at Eastbourne Sports Club Athletics Track, the course features approximately 5,700 feet of elevation gain ove..

The Henley River Half Marathon, 10k & Junior Race takes place in Henley-on-Thames, UK, along the scenic banks of the River Thames. Scheduled for April 11, 2026, the event features a half marathon, 10k, and a junior race, all on mixed, undulating terrain with elevations of 98m for the half marathon a..

The Rosebud Marathon is a scenic 26.2-mile race held in Northamptonshire, England, featuring a mix of approximately 60% trails and 40% roads. Starting at Hartwell and finishing at Brixworth Country Park near Northampton, the course traverses beautiful countryside, including canal towpaths and 14 vil..

The Haughley Festival of Running is an annual event held at the exclusive Haughley Park in Suffolk, offering a range of race distances including 5k, 10k, 15k, Half Marathon, Full Marathon, and Ultra Marathon. Now in its fourth year, the festival provides a scenic course mainly on pathways with some..

The Windsor 50 Ultra Challenge, organized by Ultra Challenge, is a historic and scenic endurance event taking place on April 18, 2026. Participants can choose to walk, jog, or run along looped routes through Windsor and along the Thames Path, starting and finishing at Windsor Racecourse. The event o..

The Chiltern Ridge Classic 50K is an iconic ultra marathon held in the Chiltern Hills, England, featuring a challenging 51 km trail with 996m of elevation gain. The race starts at historic Berkhamsted Castle and finishes at Hampden Meadow in Wendover, traversing scenic ridgeline trails between Iving..

The Thames Ring 250 is an iconic 250+ mile ultramarathon loop starting from Goring, following the River Thames into London, then along the Grand Union Canal and back down the Oxford Canal to the finish. Established in 2009, it was the first race of its kind, known for its challenging course and high..

The Ale Trail is a 15-mile fun run held in Alfriston, East Sussex, starting from the beer garden of the Ye Olde Smugglers Inn. The course features two checkpoints at local pubs—the Hampden Arms and The Ram Inn—where runners can enjoy a beer token and snacks before continuing. Participants are encour..

The Other Run, organized by Zig Zag Running, takes place at the Suffolk Running Centre in Bury St Edmunds, coinciding with the London Marathon day. It offers multiple distance options: 5k, 10k, half marathon, and full marathon. The marathon follows the officially measured, scenic, and mildly undulat..

The Henley River Half Marathon, 10k & Junior Race takes place at Temple Island Meadows, Remenham Lane, Henley-on-Thames, UK. Scheduled for September 5, 2026, this event features a half marathon, 10k, and a junior race, all set on mixed, undulating terrain with scenic views alongside the Thames. The..