The Kentucky Derby start time and official post time is 6:24pm ET this Saturday from Churchill Downs in Louisville, Kentucky. The complete Kentucky Derby schedule of television and radio for the weekend is as follows: Derby Countdown Show 8-10am ET Friday on HRRN Radio, 9:30am ET Kentucky Oaks Day Coverage on HRTV, 3-6:00pm ET Kentucky Oaks & Undercard Stakes Race Coverage on HRRN Radio, 4-5:00pm ET Derby Classics on NBC Sports Network, 5-6:00pm ET the Kentucky Oaks will be broadcast on NBC Sports Network. Saturday: 9:30am ET Kentucky Derby Day Coverage on HRTV, 11am-4:00pm ET Kentucky Derby Undercard on NBC Sports Network, 2-4:00pm ET Kentucky Derby Undercard Stakes Race Coverage on HRRN Radio, 4-5:00pm ET Kentucky Derby Red Carpet Special on NBC Sports Network and 5-7:00pm ET the 138th Kentucky Derby live on NBC Sports Network. You can catch the Kentucky Derby wrap-up show on Sunday on HRTV.The current Kentucky Derby post positions and opening morning lines are: 1. Daddy Long Legs 30-1, 2. Optimizer 50-1, 3. Take Charge Indy 15-1, 4. Union Rags 9-2, 5. Dullahan 8-1, 6. Bodemeister 4-1, 7. Rousing Sermon 50-1, 8. Creative Cause 12-1, 9. Trinniberg 50-1, 10. Daddy Nose Best 15-1, 11. Alpha 15-1, 12. Prospective 30-1, 13. Went The Day Well 20-1, 14. Hansen 10-1, 15. Gemologist 6-1, 16. El Padrino 20-1, 17. Done Talking 50-1, 18. Sabercat 30-1, 19. I'll Have Another 12-1 and 20. Liaison 50- 1. If any of the above horses are scratched by 9am ET on Friday, My Adonis will take their place and is installed as a 50-1 long-shot.Here some interesting Kentucky Derby records, tidbits and facts: Over a course of 27 years, Calumet Farm had a total of eight Derby wins (1941, 1944, 1948, 1949, 1952, 1957, 1958). The biggest "longshot" was in 1913 when Donerail paid out at 91.45-1 odds. An "official" Mint Julip at the Kentucky Derby is made with "Early Times" whiskey. Probably one of the most famous horses in history, Secretariat, is the holder of this record. In 1973 he ran the Derby in 1:59:40 and is the only horse to ever run the 11/4 mile race in under two minutes. 2012 Kentucky Derby Best Bets: Pregame.com Pro Marco D'Angelo and Dave Tuley from ViewFromVegas.com and the Daily Racing Form discuss their 2012 Kentucky Derby best bets.