Serpentine RC

The Dorchester Sprint Triathlon is a beginner-friendly multi-sport event held twice a year in the scenic Greater London region. This challenging yet approachable race features a 300m pool swim, 21km bike ride with stunning countryside views, and a 5km run through the scenic Great Field at Poundbury. Suitable for first-time triathletes and experienced athletes alike, this event is a must-try for endurance sports enthusiasts.

Lace up your running shoes and join the Running Tribe Race: November, a diverse running event set against the captivating backdrop of Greater London. This flexible challenge offers options ranging from a 10km sprint to a 40-mile Ultra Marathon, catering to runners of all skill levels seeking an off-road adventure. Held on November 30, 2025, this cup-free race presents a mixed trail and road course, providing the perfect opportunity to push your limits and conquer the varied terrain of the region. Whether you're an experienced trail blazer or a newcomer to the off-road scene, the Running Tribe Race: November promises an exhilarating and rewarding experience for all.

Nestled in the captivating Hamsterley Forest of northeast England, the annual Hamsterley Forest Winter Trail Races offer a thrilling opportunity for runners. Participants can choose between a challenging 10K or a scenic half marathon, both winding through the region's largest woodland. Featuring crisp trails, rolling hills, and breathtaking valley views, this event promises an unforgettable experience for runners seeking a touch of winter adventure.

The RNLI Tower Run stands as a thrilling challenge in the heart of London, inviting endurance-seekers to scale the iconic 22 Bishopsgate's 58 floors and over 1,500 steps. This fundraising event, supporting the heroic volunteer crews of the Royal National Lifeboat Institution (RNLI), tests the mettle of participants as they conquer the UK's tallest and toughest tower run, all while contributing to the lifesaving efforts along the coast.

The Country to Capital Ultra Marathon invites experienced trail and ultra runners on an exhilarating 43-mile journey through the picturesque Buckinghamshire landscape and along the tranquil Grand Union Canal towpath, culminating in a captivating finish at Little Venice, London. This UTMB-indexed event offers an iconic point-to-point race, challenging participants to conquer the countryside before traversing into the heart of the capital. Showcasing the best of the British countryside and urban landscape, this annual must-do race promises an unforgettable season opener for those seeking an adventurous challenge.