The Shortest Day
Below are the key details about the running event along with a Google map & search link. Spot any mistakes or missing info? Use the 'Report' button below.
- When
- 19 Dec 2026
- Distances
- 10 Miles
- Location
- Dorking, Surrey
- Terrain
- Trail
- Event website
- https://www.thetrailruncollective.co.uk/
About The Shortest Day
A 10-mile trail loop with approximately 2,400 feet of elevation gain forms the basis of this winter challenge at Box Hill, Dorking. The Shortest Day takes place on 19 December 2026, running from sunrise at around 08:03 until sunset at approximately 15:53. Runners can complete as many loops as they wish within daylight hours, stopping after any finished circuit.
The event caters to those new to trail running, those stepping up to ultra distance, or experienced runners seeking a winter test. Participants have the opportunity to challenge themselves against the natural constraints of the shortest day of the year, with the question of how many loops can be completed before darkness falls driving the event's appeal.
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