The Original Deadly Dozen Track Race

The race that started it all. 12 Runs. 12 Labours. Endless challenge.

Mori Skull logo

Choose Your Track Race

Deadly Dozen began in Macclesfield as the world’s first fitness racing Track Race. What started as a single event has grown into a global movement, now raced across multiple countries while staying true to the same accessible, universal, and scalable format that defined the original.

Please be aware that there is a NO REFUND, NO DEFERRAL policy on all races.