Potente, The Puma breaks into the Top 10; Commandment still No. 1   With fewer than eight weeks remaining before the 152nd Kentucky Derby (G1), the race to secure a spot in the Run for the Roses is entering its most critical stage. More than 150,000 fans are expected to fill Churchill Downs in Louisville on May 2, as the final contenders attempt to qualify for one of the most famous races in American sports.