HYROX London 2025 opened yesterday, marking the start of a huge weekend of racing that brings 40,000 athletes to the floor – officially making it the largest HYROX event in the sport’s history. The sheer scale of this year’s edition sets a new benchmark for fitness racing in the UK and highlights how quickly the sport has expanded.

A Record Field That Shows How Fast HYROX Has Grown

London has become the flagship stop on the HYROX calendar, and the numbers this year are unprecedented. What began with just a few hundred competitors in its early UK years has now surged into tens of thousands. The jump to a 40,000-athlete field reflects both the sport’s popularity and the strength of the HYROX community that has built around it.

From the moment doors opened, the scale was unmistakable. Crow

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