Skip to:

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
Andy P. Williams 4 31 7.75 1 4 2 3.23% 22.58% $36,540 $1,179 $9,135 0 0
John Guidos 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
Andy P. Williams 8 31 3.88 2 1 0 6.45% 9.68% $45,990 $1,484 $5,749 0 0
John Guidos 1 3 3 1 1 0 33.33% 66.67% $4,780 $1,593 $4,780 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
Andy P. Williams 8 38 4.75 2 3 3 5.26% 21.05% $51,450 $1,354 $6,431 0 0
John Guidos 1 5 5 0 0 0 0% 0% $1,040 $208 $1,040 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
Andy P. Williams 3 21 7 2 1 1 9.52% 19.05% $33,857 $1,612 $11,286 0 0
John Guidos 1 3 3 0 1 0 0% 33.33% $912 $304 $912 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
Andy P. Williams 19 72 3.79 5 2 6 6.94% 18.06% $122,970 $1,708 $6,472 0 0
John Guidos 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
Andy P. Williams 7 53 7.57 4 8 6 7.55% 33.96% $86,025 $1,623 $12,289 0 0
John Guidos 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
Andy P. Williams 2 20 10 0 2 0 0% 10% $11,250 $563 $5,625 0 0
John Guidos 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
Andy P. Williams 5 30 6 0 2 3 0% 16.67% $20,540 $685 $4,108 0 0
John Guidos 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
Andy P. Williams 5 14 2.8 0 3 0 0% 21.43% $12,304 $879 $2,461 0 0
John Guidos 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
Andy P. Williams 1 12 12 0 1 0 0% 8.33% $4,541 $378 $4,541 0 0
John Guidos 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
Andy P. Williams 3 15 5 1 1 1 6.67% 20% $10,730 $715 $3,577 0 0
John Guidos 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
Andy P. Williams 8 50 6.25 3 3 6 6% 24% $39,878 $798 $4,985 0 0
John Guidos 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
Andy P. Williams 4 20 5 2 0 3 10% 25% $15,851 $793 $3,963 0 0
John Guidos 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
Andy P. Williams 7 51 7.29 1 0 2 1.96% 5.88% $15,426 $302 $2,204 0 0
John Guidos 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
Andy P. Williams 6 60 10 2 8 5 3.33% 25% $32,850 $548 $5,475 0 0
John Guidos 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
Andy P. Williams 7 73 10.43 5 4 9 6.85% 24.66% $63,356 $868 $9,051 0 0
John Guidos 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
Andy P. Williams 6 60 10 2 9 8 3.33% 31.67% $51,750 $863 $8,625 0 0
John Guidos 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
Andy P. Williams 4 52 13 4 6 8 7.69% 34.62% $64,385 $1,238 $16,096 0 0
John Guidos 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
Andy P. Williams 5 49 9.8 1 7 6 2.04% 28.57% $42,245 $862 $8,449 0 0
John Guidos 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
Andy P. Williams 2 4 2 2 0 0 50% 50% $27,500 $6,875 $13,750 0 0
John Guidos 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
Andy P. Williams 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
John Guidos 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
Andy P. Williams 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
John Guidos 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
Andy P. Williams 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
John Guidos 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
Andy P. Williams 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
John Guidos 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
Andy P. Williams 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
John Guidos 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
Andy P. Williams 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
John Guidos 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
Andy P. Williams 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
John Guidos 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
Andy P. Williams 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
John Guidos 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
Andy P. Williams 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
John Guidos 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
Andy P. Williams 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
John Guidos 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
Andy P. Williams 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
John Guidos 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
Andy P. Williams 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
John Guidos 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