Junior Alvarado won the 2025 Kentucky Derby at Churchill Downs aboard Sovereignty. What to know about Sovereignty jockey Junior Alvarado's journey:

The 151st Kentucky Derby was run on a muddy track.The 151st Kentucky Derby, held on May 3, offered an unforgettable spectacle at Churchill Downs, with Sovereignty emerging victorious in a dramatic finish in challenging conditions.

Sovereignty's Kentucky Derby victory in the muck at Churchill Downs sparked curiosity over whether the colt can build on his signature win over a possibly drier, faster surface on the Triple Crown trail.