The Kentucky Derby is six days out and the post position draw lands Tuesday afternoon at Churchill Downs. The field of 20 has been more or less locked in since the points cutoff on April 19, and the betting market has already settled around three colts at the top of the morning line. The horse to know is Forte II, a Todd Pletcher trained colt who won the Florida Derby in March by three and a half lengths and went into the Wood Memorial as the heavy favorite before scratching on April 4 with a minor heel issue. Pletcher has worked him steadily since and the latest gallop on April 22 came in at 1:00.4 over five furlongs, which is fast for this point in the cycle.

The other two at the top are Bourbon Glory and Sonic Echo. Bourbon Glory took the Bluegrass Stakes at Keeneland on April 4 in a field that included three other Derby qualifiers, and his quarter splits in that race put him in the conversation for a colt who can carry pace through ten furlongs. Sonic Echo won the Arkansas Derby in dominant fashion on April 5 and has the kind of late kick that historically translates well to Churchill. The opening morning line will likely have these three between 4-1 and 9-2, with the rest of the field clustered between 12-1 and 30-1.

Post position matters more at Churchill than at most tracks. The fifteenth post has won the most Derbies in the modern era despite seeming like an unlucky draw, and the rail has the worst record over the last two decades. The reason is the run to the first turn. Twenty horses leaving the gate at the same time creates traffic, and inside posts get pinned. A horse with the talent to win can finish fourth on a bad trip from the rail, which is why the morning line shifts after the draw on Tuesday.

The two colts to watch in the second tier are Magnolia Smoke and Trapline. Magnolia Smoke won the Lexington Stakes on April 12 in a final prep that was lightly contested but produced a strong final time. He is trained by Brad Cox, who took the 2021 Derby with Mandaloun via disqualification, and Cox is reportedly the most confident he has been in a Derby horse since 2022. Trapline finished a closing third in the Wood Memorial on April 5 and has run his best races on tracks that play deep, which Churchill often does in the first week of May.

The European angle this year is light. There is no Aidan O'Brien shipper, and the only horse with a meaningful overseas connection is a Godolphin colt who came over in February and is training out of the Saffie Joseph barn at Palm Meadows. He has not run since February and is being pointed at the Derby as a long shot stretch out from a one mile maiden win. Trainers around the backstretch this week have been polite about him without being warm.

For first-time Derby bettors, the most useful thing to know is that the morning line at the Derby is unusually tight. Twenty horses in a single race compresses the odds, which means the favorite at the Derby pays much less than the favorite at a regular stakes race, and longshots pay much more. Anyone planning to put $20 on the race for fun is better off making a small win bet on a 15-1 horse and a separate exacta or trifecta with two or three of the morning-line favorites in the win position than putting the whole stake on the favorite at 5-2.

The Friday card at Churchill is also worth watching. The Kentucky Oaks runs Friday May 1, the day before the Derby, with the same purse structure but a smaller field. The Oaks is often a better betting race because the speed figures are easier to read and the field is shorter. Several handicappers prefer the Oaks for that reason and treat the Derby as the social event.

Weather is the other factor. The current ten-day forecast for Louisville shows scattered storms through the middle of the week and a clearing pattern by Friday, which would put the track in fast condition for the Oaks and Derby. A wet track changes which horses run well, and the entries that have a wet track pedigree will see their odds shorten in the final hour before the race. Track condition can also flip the entire shape of the race. A muddy strip favors front runners, while a fast track tends to play to closers.

The post position draw is Tuesday at 5 p.m. Eastern, carried live on NBC Sports. The trifecta odds for the top three by post number will be available within an hour of the draw, and that is when the public money typically begins moving in earnest.