https://www.mercurynews.com/2019/05/04/photos-festive-hats-on-display-at-this-years-kentucky-derby/ > Guests paraded their finest hats during the 145th annual Run for the Roses, kicking off this year’s Triple Crown. For the third consecutive year, rain is in the forecast at Churchill Downs. Post time is 3:50 p.m.