50 Mile Grand Slam

The Serpent Trail is a scenic trail running event held in the South Downs National Park, Hampshire, UK, showcasing some of the most breathtaking and unique countryside in the South East. It offers five distances: 100km, 75km, 50km, 20km, and 10km, catering to a range of runners and walkers. The cour..

Bright Skies Surrey Hills is a daytime trail running event held at Denbies Wine Estate in Dorking, UK. It offers marathon, half marathon, and 10K distances, including canicross races, plus 1K and 2K kids’ races for ages 3-12. The course features an undulating route through Surrey’s rolling, muddy hi..

The Surrey Slog, also known as the Holmbury Hill Challenge, is a challenging trail running event held in the scenic Surrey Hills near Peaslake. The race features a hilly, undulating multi-loop cross-country course primarily on tracks around Holmbury Hill, with well-marked routes and marshalled key p..

BigHeat Trails (FIRE) is the third event in the Classic Element Trail Series, held at Rother College in Midhurst, Surrey. Inspired by the element of fire, this trail running event offers two challenging single-lap distances: a marathon and a 16-mile run. The course features winding dusty tracks, sun..

The Ashdown Forest 10 & 5 Mile Series is an eco-friendly trail running event held at Pippingford Park Manor in East Sussex. This two-race series offers runners the choice of 10-mile or 5-mile distances through stunning, undulating forest trails with picturesque scenery. The event emphasizes sustaina..

The Maverick X Series East Sussex 2025 is a trail running event held at Stanmer Park, near Brighton, East Sussex. It offers five routes ranging from a 6 km sprint to a challenging 50 km ultra, all featuring hilly, hard-packed trails suitable for all levels. The course includes scenic sections of the..