UCI halves testosterone threshold for transgender riders

Testing
(Image credit: Getty Images)

The UCI will introduce stricter requirements for transgender females to compete in the women's category, with the testosterone threshold cut in half.

The current rules stipulate a maximum serum testosterone level of 10nmol/L but, from March, male-to-female athletes will be limited to 5nmol/L and will have to show it has been below the new threshold for 12 months before they are deemed eligible to compete.

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Patrick Fletcher
Deputy Editor

Patrick is an NCTJ-accredited journalist with a bachelor’s degree in modern languages (French and Spanish) and a decade’s experience in digital sports media, largely within the world of cycling. He re-joined Cyclingnews as Deputy Editor in February 2026, having previously spent eight years on staff between 2015 and 2023. In between, he was Deputy Editor at GCN and spent 18 months working across the sports portfolio at Future before returning to the cycling press pack. Patrick works across Cyclingnews’ wide-ranging output, assisting the Editor in global content strategy, with a particular focus on shaping CN's news operation.