100 Mile Grand Slam - 2027

The Centurion 100 Mile Grand Slam, set for 2027, is an epic journey through some of Britain's most stunning landscapes. This challenging series spans four distinct events across the year, each offering its own unique terrain and atmosphere.
The Thames Path 100 kicks off on May 1st-2nd, tracing the iconic river from historic London to picturesque Maidenhead along a mix of towpaths and riverside trails. Participants will experience the vibrant energy of urban parks and serene countryside as they cover this scenic route in two days.
Next up is the South Downs Way 100, scheduled for June 12th-13th. This event takes runners through rolling hills and lush valleys on England's southern coast. The trail winds past charming villages and ancient landmarks, providing a picturesque backdrop to what promises to be an exhilarating challenge.
In early August (August 7th-8th), the North Downs Way 100 invites competitors to explore Kent’s countryside with its undulating terrain, offering both steep climbs and rewarding descents. This section of the Grand Slam is known for its varied landscapes, from dense forests to open fields dotted with historic sites.
Rounding out the series in late October (October 16th-17th) is the Autumn 100, which sees runners navigating through a palette of autumnal hues across Surrey and Hampshire. The route features diverse terrain including woodland paths, heathland tracks, and quiet lanes, culminating in an unforgettable finish.
Each event presents its own set of challenges, from urban settings to rural backdrops, ensuring that participants are treated to a rich tapestry of British scenery throughout the year. With options like XCover available for purchase, runners can secure their entry while also protecting themselves against unexpected circumstances that might prevent them from participating.
The Centurion 100 Mile Grand Slam is not just about endurance; it's an immersive experience through Britain’s most captivating landscapes and a testament to human perseverance.
For those ready to embrace the journey across these iconic trails, registration offers the chance to become part of this elite group of runners who take on one of the world’s toughest running challenges.