Client Success: Homebred Mastery Filly Zooms to Win at FG

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Zoom Erin (Mastery – Zippit E, by My Golden Song)

Zoom Erin, a promising three-year-old filly sired by Mastery, recently delivered an impressive performance in a $50,000 Maiden Special Weight race at Fair Grounds. Owned by Wayne Sanders and Larry Hirsch, trained by Joe Sharp and ridden by James Graham, the filly dominated her rivals to secure her first victory on the turf in her two-race career.


Breaking from the sixth post position, Zoom Erin made her way to the front of the pack early on in the race and maintained her lead throughout. Despite facing challenges from her competitors, the Mastery filly held on to secure a 1 1/2-length victory, signaling her potential for greater success in the future.

Zoom Erin’s breeding is a significant factor in her success, with her sire Mastery being a talented racehorse and son of Candy Ride. Mastery won all four of his career starts, including the Grade 1 CashCall Futurity, and his influence can be seen in the way that Zoom Erin has developed as a racehorse. Her dam, Zippit E, is also a multiple stakes winner who also had a successful racing career.

The OPTIMAL Mating program, designed by Clark Shepherd of Shepherd Equine Advisers, was used to identify the best possible breeding match between Mastery and Zippit E. The breeding program utilizes advanced algorithms and statistical analysis to help breeders make informed decisions about matings. The success of Zoom Erin is a testament to the power of this program, which has helped to produce many talented horses such as G1 winners, Animal Kingdom, Mor Spirit and Drill.

Zoom Erin at 4 months of age

Zoom Erin’s connections will undoubtedly be looking ahead to upcoming races, eager to see where her talents can take her next. With her impressive pedigree and dominant performance on the track, she has the potential to achieve even greater success in the future.

Zoom Erin’s victory at Fair Grounds is a significant milestone in her racing career. With her strong genetics and impressive performance on the track, her future looks bright, and her connections will be watching her progress with anticipation and excitement.

Whether you are new to the game, experiencing more losses than wins or just looking for a new approach, I am confident that I can help you breed or buy a better racehorse. To find out more about OPTIMAL Matings and how they can help your program, please subscribe to my Blog/News page HERE to receive future information on complimentary mating recommendations, sales short lists, stakes winner pedigree analysis, news on personal client success and any other random thoughts or ideas that I may have. Also, receive a complimentary copy of my report “Blind Luck or Designed Luck? – How A Kentucky Derby Winner Was Bred” sent directly to your inbox.

For inquiries or more information about Shepherd Equine Advisers, please contact Clark Shepherd at 859-321-6618, or by email at

I would love to hear any comments or questions that you may have. Please submit them below. Maybe we can address them in a future post!

I offer my expertise as a bloodstock agent, sales consultant, and pedigree analyst to assist in breeding or purchasing superior thoroughbred racehorses through sound pedigree principles, horsemanship, and consistent implementation of well-designed plans. To find out more about how my services can help your program, please contact me at 859-321-6618, or by email at

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