Here, we'll follow all of the Derby action in our live blog, from odds movement throughout the day to weather updates and early race results until we finally reach the 6:57 p.m. post time and the race begins for the most coveted trophy in horse racing (and their share of a $5 million purse ).

LOUISVILLE, Ky. – D. Wayne Lukas, a four-time winner of the Kentucky Derby, sat in the front row. A few rows back sat seven-time winner Bob Baffert, in Louisville for his first Derby after a three-year ban. Across the aisle from Baffert, Michael McCarthy, trainer of this year’s favorite, Journalism, sat beside his daughter, Stella.

The 151st Kentucky Derby lost two starters this week as Rodriguez and Grande scratched because of hoof bruises. With the addition of Baeza, Saturday’s Run for the Roses will go off with a field of 19.