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The Spiral is our 6-hour endurance track race designed to challenge your mind as much as your legs. It’s just you and the track, loop after loop, after loop…
It’s a raw test of how far you can go in six hours. For some, this will mean pushing the boundaries well beyond an ultra. For others, it’s a chance to reach a new milestone in a crowd-free setting.
The Spiral welcomes all abilities. There’s no pressure to run for the full six hours. You’re free to run, walk or mix both to pace your effort.
The second edition of the Spiral takes place 19 September 2026 at the Parliament Hill Fields Athletics Track, and is held under ARC Rules (permit ARC/26/0237).
Entry is £59 (standard) or £57 (club members and affiliated runners).
The Spiral is our 6-hour endurance track race designed to challenge your mind as much as your legs. It’s just you and the track, loop after loop, after loop…
It’s a raw test of how far you can go in six hours. For some, this will mean pushing the boundaries well beyond an ultra. For others, it’s a chance to reach a new milestone in a crowd-free setting.
The Spiral welcomes all abilities. There’s no pressure to run for the full six hours. You’re free to run, walk or mix both to pace your effort.
The second edition of the Spiral takes place 19 September 2026 at the Parliament Hill Fields Athletics Track, and is held under ARC Rules (permit ARC/26/0237).
Entry is £59 (standard) or £57 (club members and affiliated runners).