About This Event

Embrace the challenge of the shortest day with a unique winter trail running event at Box Hill Main Car Park on Saturday 19 December 2026. This demanding endurance test invites athletes of all levels to tackle a gruelling 10-mile loop, featuring a substantial 2,400 feet of elevation gain per circuit. The event spans from the first light of sunrise to the fading glow of sunset, offering participants the opportunity to complete as many laps as their stamina allows within the available daylight. Whether you're a seasoned ultra-runner or an adventurous trail enthusiast seeking a formidable test of grit, The Shortest Day provides an unparalleled opportunity to push your limits against the backdrop of the winter landscape. Further information regarding entry fees and the registration process can be found on the dedicated event website.

Frequently asked questions

Staying overnight?

Hotels within walking distance of Box Hill Main Car Park.