Named after the Quinta da Regaleira, in Sintra, Portugal, near Lisbon proper.
Japanese racehorse. Sired by Suave Richard and foaled by Roca. Stellenbosch is her first cousin and contemporary.
She is famous for winning the 2023 Hopeful Stakes (normally for 2-year-old colts), attempting to challenge the Triple Crown, then winning the 2024 Arima Kinen, being the first 3-year-old filly to win the race in 64 years, edging out Shahryar by a nose.
