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 3 28 9.33 2 1 2 7.14% 17.86% $37,610 $1,343 $12,537 0 0
John Guidos 2 2 1 0 0 0 0% 0% $420 $210 $210 0 0
Kathleen Mastin 2 12 6 0 2 1 0% 25% $11,243 $937 $5,622 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 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
Kathleen Mastin 5 38 7.6 2 9 7 5.26% 47.37% $114,558 $3,015 $22,912 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
Kathleen Mastin 3 23 7.67 3 5 5 13.04% 56.52% $89,167 $3,877 $29,722 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
Kathleen Mastin 4 11 2.75 0 0 1 0% 9.09% $4,513 $410 $1,128 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
Kathleen Mastin 4 22 5.5 0 2 8 0% 45.45% $18,898 $859 $4,725 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
Kathleen Mastin 2 20 10 1 4 2 5% 35% $23,330 $1,167 $11,665 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
Kathleen Mastin 2 22 11 4 2 3 18.18% 40.91% $38,098 $1,732 $19,049 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
Kathleen Mastin 2 7 3.5 1 0 1 14.29% 28.57% $11,055 $1,579 $5,528 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
Kathleen Mastin 2 18 9 0 1 5 0% 33.33% $8,100 $450 $4,050 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
Kathleen Mastin 5 31 6.2 2 1 2 6.45% 16.13% $32,041 $1,034 $6,408 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
Kathleen Mastin 6 61 10.17 2 6 8 3.28% 26.23% $49,366 $809 $8,228 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
Kathleen Mastin 10 71 7.1 6 4 6 8.45% 22.54% $55,338 $779 $5,534 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
Kathleen Mastin 6 64 10.67 9 9 8 14.06% 40.63% $80,280 $1,254 $13,380 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
Kathleen Mastin 8 78 9.75 3 9 14 3.85% 33.33% $56,027 $718 $7,003 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
Kathleen Mastin 15 94 6.27 8 6 14 8.51% 29.79% $97,965 $1,042 $6,531 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
Kathleen Mastin 12 112 9.33 11 12 17 9.82% 35.71% $135,926 $1,214 $11,327 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
Kathleen Mastin 12 84 7 8 11 10 9.52% 34.52% $88,506 $1,054 $7,376 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
Kathleen Mastin 8 56 7 8 4 7 14.29% 33.93% $67,303 $1,202 $8,413 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
Kathleen Mastin 6 55 9.17 5 9 8 9.09% 40% $63,127 $1,148 $10,521 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
Kathleen Mastin 6 50 8.33 2 4 4 4% 20% $23,704 $474 $3,951 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
Kathleen Mastin 11 64 5.82 5 6 6 7.81% 26.56% $50,167 $784 $4,561 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
Kathleen Mastin 7 38 5.43 3 9 5 7.89% 44.74% $31,611 $832 $4,516 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
Kathleen Mastin 6 39 6.5 6 2 9 15.38% 43.59% $43,808 $1,123 $7,301 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
Kathleen Mastin 6 56 9.33 1 7 9 1.79% 30.36% $24,168 $432 $4,028 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
Kathleen Mastin 7 63 9 4 5 7 6.35% 25.4% $30,463 $484 $4,352 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
Kathleen Mastin 9 44 4.89 8 6 9 18.18% 52.27% $56,867 $1,292 $6,319 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
Kathleen Mastin 3 19 6.33 1 4 5 5.26% 52.63% $8,519 $448 $2,840 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
Kathleen Mastin 1 5 5 1 1 1 20% 60% $3,584 $717 $3,584 0 0