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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
Preston Boyd 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Chester Constant 4 17 4.25 1 3 5 5.88% 52.94% $6,806 $400 $1,702 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
Preston Boyd 3 9 3 0 0 2 0% 22.22% $4,573 $508 $1,524 0 0
Chester Constant 5 6 1.2 0 0 0 0% 0% $461 $77 $92 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
Preston Boyd 7 12 1.71 2 2 2 16.67% 50% $19,370 $1,614 $2,767 0 0
Chester Constant 8 29 3.63 6 4 3 20.69% 44.83% $15,944 $550 $1,993 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
Preston Boyd 4 13 3.25 2 2 1 15.38% 38.46% $17,343 $1,334 $4,336 0 0
Chester Constant 8 31 3.88 5 2 6 16.13% 41.94% $14,196 $458 $1,775 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
Preston Boyd 3 7 2.33 0 1 1 0% 28.57% $5,670 $810 $1,890 0 0
Chester Constant 7 40 5.71 5 6 6 12.5% 42.5% $17,856 $446 $2,551 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
Preston Boyd 2 3 1.5 0 1 0 0% 33.33% $1,982 $661 $991 0 0
Chester Constant 12 45 3.75 3 1 6 6.67% 22.22% $11,098 $247 $925 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
Preston Boyd 4 12 3 4 0 1 33.33% 41.67% $24,392 $2,033 $6,098 0 0
Chester Constant 17 46 2.71 4 3 5 8.7% 26.09% $14,688 $319 $864 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
Preston Boyd 6 23 3.83 7 4 1 30.43% 52.17% $32,723 $1,423 $5,454 0 0
Chester Constant 12 46 3.83 3 6 8 6.52% 36.96% $14,423 $314 $1,202 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
Preston Boyd 5 14 2.8 2 4 4 14.29% 71.43% $21,500 $1,536 $4,300 0 0
Chester Constant 15 40 2.67 1 4 12 2.5% 42.5% $9,647 $241 $643 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
Preston Boyd 2 6 3 1 4 0 16.67% 83.33% $10,185 $1,698 $5,093 0 0
Chester Constant 11 45 4.09 1 0 0 2.22% 2.22% $4,390 $98 $399 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
Preston Boyd 1 3 3 2 0 0 66.67% 66.67% $2,090 $697 $2,090 0 0
Chester Constant 13 49 3.77 2 2 1 4.08% 10.2% $7,162 $146 $551 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
Preston Boyd 3 10 3.33 3 1 1 30% 50% $7,162 $716 $2,387 0 0
Chester Constant 12 33 2.75 1 1 3 3.03% 15.15% $4,334 $131 $361 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
Preston Boyd 5 18 3.6 5 4 2 27.78% 61.11% $18,024 $1,001 $3,605 0 0
Chester Constant 9 30 3.33 0 0 0 0% 0% $744 $25 $83 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
Preston Boyd 1 3 3 0 1 1 0% 66.67% $4,351 $1,450 $4,351 0 0
Chester Constant 5 19 3.8 0 2 4 0% 31.58% $2,903 $153 $581 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
Preston Boyd 5 29 5.8 4 8 7 13.79% 65.52% $18,958 $654 $3,792 0 0
Chester Constant 4 8 2 0 1 0 0% 12.5% $911 $114 $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
Preston Boyd 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Chester Constant 11 37 3.36 2 3 2 5.41% 18.92% $6,047 $163 $550 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
Preston Boyd 3 12 4 4 2 3 33.33% 75% $10,322 $860 $3,441 0 0
Chester Constant 9 28 3.11 5 4 5 17.86% 50% $9,246 $330 $1,027 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
Preston Boyd 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Chester Constant 8 51 6.38 5 8 11 9.8% 47.06% $13,954 $274 $1,744 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
Preston Boyd 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Chester Constant 4 13 3.25 4 3 1 30.77% 61.54% $5,084 $391 $1,271 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
Preston Boyd 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Chester Constant 14 50 3.57 7 7 8 14% 44% $12,710 $254 $908 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
Preston Boyd 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Chester Constant 8 29 3.63 3 3 6 10.34% 41.38% $5,661 $195 $708 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
Preston Boyd 1 1 1 0 1 0 0% 100% $594 $594 $594 0 0
Chester Constant 13 44 3.38 1 8 6 2.27% 34.09% $4,799 $109 $369 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
Preston Boyd 3 12 4 1 2 3 8.33% 50% $2,626 $219 $875 0 0
Chester Constant 14 50 3.57 5 14 7 10% 52% $18,226 $365 $1,302 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
Preston Boyd 4 5 1.25 1 2 0 20% 60% $1,425 $285 $356 0 0
Chester Constant 18 111 6.17 15 14 17 13.51% 41.44% $33,592 $303 $1,866 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
Preston Boyd 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Chester Constant 18 110 6.11 15 12 10 13.64% 33.64% $21,272 $193 $1,182 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
Preston Boyd 2 5 2.5 1 0 0 20% 20% $750 $150 $375 0 0
Chester Constant 14 65 4.64 8 6 14 12.31% 43.08% $10,559 $162 $754 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
Preston Boyd 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Chester Constant 1 2 2 0 0 0 0% 0% $0 $0 $0 0 0