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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
Andy P. Williams 8 31 3.88 2 1 0 6.45% 9.68% $45,990 $1,484 $5,749 0 0
Austin Gustafson 144 447 3.1 100 81 61 22.37% 54.14% $2,020,890 $4,521 $14,034 0 2
Robert A. Rivera 13 43 3.31 4 3 3 9.3% 23.26% $144,424 $3,359 $11,110 0 1

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
Austin Gustafson 76 212 2.79 50 30 20 23.58% 47.17% $819,969 $3,868 $10,789 0 1
Robert A. Rivera 11 30 2.73 0 4 3 0% 23.33% $16,802 $560 $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 3 21 7 2 1 1 9.52% 19.05% $33,857 $1,612 $11,286 0 0
Austin Gustafson 41 161 3.93 21 23 26 13.04% 43.48% $351,820 $2,185 $8,581 0 0
Robert A. Rivera 15 61 4.07 5 5 8 8.2% 29.51% $61,126 $1,002 $4,075 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
Austin Gustafson 20 58 2.9 4 4 8 6.9% 27.59% $63,537 $1,095 $3,177 0 0
Robert A. Rivera 24 89 3.71 6 16 8 6.74% 33.71% $130,313 $1,464 $5,430 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
Austin Gustafson 30 140 4.67 8 18 18 5.71% 31.43% $191,595 $1,369 $6,387 0 0
Robert A. Rivera 16 116 7.25 9 14 17 7.76% 34.48% $131,096 $1,130 $8,194 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
Austin Gustafson 25 125 5 14 21 14 11.2% 39.2% $235,841 $1,887 $9,434 0 0
Robert A. Rivera 14 102 7.29 9 17 16 8.82% 41.18% $122,617 $1,202 $8,758 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
Austin Gustafson 20 81 4.05 11 15 5 13.58% 38.27% $212,139 $2,619 $10,607 0 0
Robert A. Rivera 11 48 4.36 2 3 1 4.17% 12.5% $28,277 $589 $2,571 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
Austin Gustafson 12 67 5.58 12 4 9 17.91% 37.31% $162,701 $2,428 $13,558 0 1
Robert A. Rivera 6 18 3 1 1 2 5.56% 22.22% $9,189 $511 $1,532 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
Austin Gustafson 17 77 4.53 5 6 6 6.49% 22.08% $76,715 $996 $4,513 0 0
Robert A. Rivera 7 38 5.43 1 8 3 2.63% 31.58% $21,482 $565 $3,069 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
Austin Gustafson 20 71 3.55 11 8 10 15.49% 40.85% $170,890 $2,407 $8,545 0 0
Robert A. Rivera 11 37 3.36 1 5 5 2.7% 29.73% $20,610 $557 $1,874 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
Austin Gustafson 5 19 3.8 0 2 1 0% 15.79% $11,826 $622 $2,365 0 0
Robert A. Rivera 8 44 5.5 2 3 7 4.55% 27.27% $35,165 $799 $4,396 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
Austin Gustafson 1 3 3 0 0 0 0% 0% $225 $75 $225 0 0
Robert A. Rivera 9 32 3.56 0 0 1 0% 3.13% $4,239 $132 $471 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
Austin Gustafson 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Robert A. Rivera 17 67 3.94 1 2 8 1.49% 16.42% $26,158 $390 $1,539 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
Austin Gustafson 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Robert A. Rivera 16 58 3.63 3 7 4 5.17% 24.14% $44,046 $759 $2,753 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
Austin Gustafson 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Robert A. Rivera 13 60 4.62 1 6 6 1.67% 21.67% $35,679 $595 $2,745 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
Austin Gustafson 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Robert A. Rivera 13 44 3.38 1 3 8 2.27% 27.27% $24,848 $565 $1,911 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
Austin Gustafson 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Robert A. Rivera 9 30 3.33 0 0 2 0% 6.67% $5,451 $182 $606 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
Austin Gustafson 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Robert A. Rivera 6 18 3 0 0 1 0% 5.56% $2,551 $142 $425 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
Austin Gustafson 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Robert A. Rivera 11 45 4.09 4 0 3 8.89% 15.56% $31,183 $693 $2,835 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
Austin Gustafson 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Robert A. Rivera 15 65 4.33 6 9 12 9.23% 41.54% $57,502 $885 $3,833 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
Austin Gustafson 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Robert A. Rivera 22 83 3.77 6 6 9 7.23% 25.3% $132,485 $1,596 $6,022 0 1

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
Austin Gustafson 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Robert A. Rivera 7 26 3.71 5 4 1 19.23% 38.46% $43,663 $1,679 $6,238 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
Austin Gustafson 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Robert A. Rivera 9 44 4.89 2 2 4 4.55% 18.18% $8,038 $183 $893 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
Austin Gustafson 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Robert A. Rivera 7 30 4.29 2 3 4 6.67% 30% $14,827 $494 $2,118 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
Austin Gustafson 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Robert A. Rivera 5 10 2 2 0 2 20% 40% $18,330 $1,833 $3,666 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
Austin Gustafson 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Robert A. Rivera 13 45 3.46 5 5 8 11.11% 40% $14,002 $311 $1,077 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
Austin Gustafson 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Robert A. Rivera 6 31 5.17 3 4 6 9.68% 41.94% $8,219 $265 $1,370 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
Austin Gustafson 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Robert A. Rivera 3 30 10 2 0 2 6.67% 13.33% $3,934 $131 $1,311 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
Austin Gustafson 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Robert A. Rivera 6 37 6.17 2 4 3 5.41% 24.32% $6,518 $176 $1,086 0 0