The Kentucky Derby is a Grade 1 stakes race for three-year-old Thoroughbreds at Churchill Downs, run over 1 1/4 miles on dirt.
Why this race matters
Run on the first Saturday in May, the Derby begins the Triple Crown series. Its age restriction, large field, classic distance, and qualification process make it different from an ordinary stakes race.
The conditions to notice
Every entrant is three years old, and the 1 1/4-mile trip asks many runners to stretch beyond their earlier races. Post position, pace pressure, surface condition, and the ability to handle traffic all deserve attention.
Before building a ticket
Start with the wager type and total cost, then decide what would change your view. A strong opinion about one horse does not require a complicated exotic bet, and no past-performance pattern guarantees the outcome.
Common questions
How many horses run in the Kentucky Derby?
The field is capped at 20 starters, a limit in place since 1975. Scratches can reduce the number on race day, and also-eligible horses can draw in if a spot opens before the deadline.
How do horses qualify for the Derby?
Through the Road to the Kentucky Derby points system. A Prep Season awards points on a 10-5-3-2-1 scale (with select races worth more), then a Championship Series escalates through 50-25-15-10-5 races to the final major preps worth 100-50-25-15-10. The top point earners fill the 20-horse gate, with additional routes through international qualifying series.
Why is the Derby limited to three-year-olds?
The race is a classic: a once-in-a-lifetime test for a single foal crop. A horse gets exactly one chance to win it, which is a large part of why the race matters so much.
Primary sources
Verify the race conditions
Race dates, venues, conditions, and entries can change. Confirm the current edition with the official sources below.