In August 2025, tennis star
Alexander Zverev struggled to manage his blood sugar during the Cincinnati Open. Zverev, who has been open about his battle with type 1 diabetes, was diagnosed at age three.
Footage of the event was difficult to watch, as soaring temperatures resulted in excess sweating, provoking dizzy spells and breathing issues for Zverev. The tennis star is one among many professional athletes who face the pressures of competitive athleticism while attempting to manage a challenging health condition.
Which other top athletes have type 1 diabetes? Click on to find out.