Surrey Slog

The Surrey Slog, also known as the Holmbury Hill Challenge, is a challenging trail half marathon set in the picturesque Surrey Hills. Scheduled for July 20, 2025, the event features a hilly, multi-loop cross-country course primarily on tracks around Holmbury Hill. Participants can choose between a full half marathon or a shortened 10-mile option, with entries available in advance or on the day.

The race is open to individuals aged 17 and over, and all finishers receive a bespoke commemorative medal. The event is well-organized, with ample marshaling, drink stations, and first aid support, ensuring a safe and enjoyable experience for all runners. Visit the organization's website for the most recent information.