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Trainer Comparison

Statistics by Year:
Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Jack Young 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Gerardo Quiroz 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donna S. Zook 10 20 2 1 5 5 5% 55% $29,008 $1,450 $2,901 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Jack Young 1 3 3 1 1 0 33.33% 66.67% $10,162 $3,387 $10,162 0 0
Gerardo Quiroz 2 3 1.5 0 0 0 0% 0% $540 $180 $270 0 0
Donna S. Zook 18 57 3.17 5 7 8 8.77% 35.09% $71,057 $1,247 $3,948 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Jack Young 1 5 5 0 0 0 0% 0% $2,017 $403 $2,017 0 0
Gerardo Quiroz 9 39 4.33 4 4 6 10.26% 35.9% $81,010 $2,077 $9,001 0 0
Donna S. Zook 12 23 1.92 3 0 1 13.04% 17.39% $22,438 $976 $1,870 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Jack Young 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Gerardo Quiroz 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donna S. Zook 6 15 2.5 2 1 1 13.33% 26.67% $11,867 $791 $1,978 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Jack Young 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Gerardo Quiroz 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donna S. Zook 7 19 2.71 1 2 2 5.26% 26.32% $10,538 $555 $1,505 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Jack Young 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Gerardo Quiroz 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donna S. Zook 12 28 2.33 2 1 5 7.14% 28.57% $25,750 $920 $2,146 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Jack Young 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Gerardo Quiroz 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donna S. Zook 9 22 2.44 1 1 4 4.55% 27.27% $11,449 $520 $1,272 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Jack Young 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Gerardo Quiroz 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donna S. Zook 11 31 2.82 2 5 6 6.45% 41.94% $28,085 $906 $2,553 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Jack Young 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Gerardo Quiroz 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donna S. Zook 13 44 3.38 3 7 9 6.82% 43.18% $52,484 $1,193 $4,037 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Jack Young 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Gerardo Quiroz 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donna S. Zook 36 166 4.61 14 23 21 8.43% 34.94% $157,483 $949 $4,375 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Jack Young 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Gerardo Quiroz 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donna S. Zook 35 129 3.69 8 9 20 6.2% 28.68% $98,126 $761 $2,804 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Jack Young 2 7 3.5 0 0 0 0% 0% $1,740 $249 $870 0 0
Gerardo Quiroz 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donna S. Zook 28 110 3.93 9 13 11 8.18% 30% $90,328 $821 $3,226 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Jack Young 4 15 3.75 0 0 1 0% 6.67% $2,460 $164 $615 0 0
Gerardo Quiroz 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donna S. Zook 29 118 4.07 6 10 18 5.08% 28.81% $87,008 $737 $3,000 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Jack Young 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Gerardo Quiroz 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donna S. Zook 28 103 3.68 17 6 13 16.5% 34.95% $158,690 $1,541 $5,668 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Jack Young 3 6 2 0 0 0 0% 0% $600 $100 $200 0 0
Gerardo Quiroz 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donna S. Zook 15 79 5.27 3 6 8 3.8% 21.52% $68,646 $869 $4,576 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Jack Young 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Gerardo Quiroz 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donna S. Zook 15 92 6.13 8 4 4 8.7% 17.39% $105,283 $1,144 $7,019 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Jack Young 3 17 5.67 2 1 2 11.76% 29.41% $28,890 $1,699 $9,630 0 0
Gerardo Quiroz 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donna S. Zook 12 58 4.83 5 4 8 8.62% 29.31% $60,801 $1,048 $5,067 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Jack Young 7 39 5.57 3 5 3 7.69% 28.21% $73,875 $1,894 $10,554 0 0
Gerardo Quiroz 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donna S. Zook 9 46 5.11 2 1 5 4.35% 17.39% $30,911 $672 $3,435 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Jack Young 10 59 5.9 6 6 7 10.17% 32.2% $98,477 $1,669 $9,848 0 0
Gerardo Quiroz 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donna S. Zook 13 66 5.08 1 5 5 1.52% 16.67% $34,237 $519 $2,634 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Jack Young 6 42 7 3 10 5 7.14% 42.86% $55,508 $1,322 $9,251 0 0
Gerardo Quiroz 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donna S. Zook 9 41 4.56 0 2 3 0% 12.2% $12,988 $317 $1,443 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Jack Young 4 14 3.5 0 1 1 0% 14.29% $5,443 $389 $1,361 0 0
Gerardo Quiroz 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donna S. Zook 15 58 3.87 2 1 1 3.45% 6.9% $22,912 $395 $1,527 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Jack Young 2 15 7.5 1 0 1 6.67% 13.33% $4,945 $330 $2,473 0 0
Gerardo Quiroz 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donna S. Zook 15 70 4.67 2 1 2 2.86% 7.14% $25,328 $362 $1,689 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Jack Young 3 16 5.33 2 0 1 12.5% 18.75% $10,058 $629 $3,353 0 0
Gerardo Quiroz 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donna S. Zook 13 82 6.31 3 8 5 3.66% 19.51% $43,616 $532 $3,355 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Jack Young 3 12 4 1 0 2 8.33% 25% $4,387 $366 $1,462 0 0
Gerardo Quiroz 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donna S. Zook 18 103 5.72 6 8 10 5.83% 23.3% $55,130 $535 $3,063 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Jack Young 1 6 6 0 2 1 0% 50% $2,560 $427 $2,560 0 0
Gerardo Quiroz 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donna S. Zook 23 164 7.13 9 19 15 5.49% 26.22% $67,900 $414 $2,952 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Jack Young 4 7 1.75 0 0 0 0% 0% $240 $34 $60 0 0
Gerardo Quiroz 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donna S. Zook 21 107 5.1 3 13 17 2.8% 30.84% $32,295 $302 $1,538 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Jack Young 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Gerardo Quiroz 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donna S. Zook 13 61 4.69 5 3 4 8.2% 19.67% $17,177 $282 $1,321 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Jack Young 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Gerardo Quiroz 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donna S. Zook 13 104 8 12 11 5 11.54% 26.92% $29,482 $283 $2,268 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Jack Young 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Gerardo Quiroz 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donna S. Zook 14 69 4.93 4 3 5 5.8% 17.39% $10,643 $154 $760 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Jack Young 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Gerardo Quiroz 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donna S. Zook 10 106 10.6 13 12 12 12.26% 34.91% $23,205 $219 $2,321 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Jack Young 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Gerardo Quiroz 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donna S. Zook 26 185 7.12 18 8 15 9.73% 22.16% $30,399 $164 $1,169 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Jack Young 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Gerardo Quiroz 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donna S. Zook 30 237 7.9 32 26 23 13.5% 34.18% $56,817 $240 $1,894 0 0