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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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 17 55 3.24 5 5 10 9.09% 36.36% $280,990 $5,109 $16,529 0 0
Carol Constantine 5 16 3.2 1 0 1 6.25% 12.5% $11,810 $738 $2,362 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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 29 101 3.48 14 21 16 13.86% 50.5% $653,675 $6,472 $22,541 0 0
Carol Constantine 4 11 2.75 0 0 1 0% 9.09% $2,750 $250 $688 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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 39 163 4.18 29 19 22 17.79% 42.94% $1,220,153 $7,486 $31,286 0 2
Carol Constantine 3 18 6 0 0 2 0% 11.11% $8,020 $446 $2,673 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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 49 155 3.16 35 21 24 22.58% 51.61% $1,430,413 $9,228 $29,192 1 3
Carol Constantine 9 49 5.44 5 4 4 10.2% 26.53% $67,910 $1,386 $7,546 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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 47 149 3.17 27 21 22 18.12% 46.98% $1,301,307 $8,734 $27,687 0 0
Carol Constantine 9 66 7.33 2 7 6 3.03% 22.73% $67,715 $1,026 $7,524 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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 37 110 2.97 17 16 16 15.45% 44.55% $589,213 $5,356 $15,925 0 0
Carol Constantine 7 35 5 3 3 4 8.57% 28.57% $54,450 $1,556 $7,779 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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 42 184 4.38 28 30 21 15.22% 42.93% $1,495,368 $8,127 $35,604 0 1
Carol Constantine 11 41 3.73 3 1 0 7.32% 9.76% $38,710 $944 $3,519 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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 58 235 4.05 38 34 32 16.17% 44.26% $1,603,329 $6,823 $27,644 1 4
Carol Constantine 12 84 7 2 3 5 2.38% 11.9% $55,095 $656 $4,591 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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 58 227 3.91 40 42 29 17.62% 48.9% $1,800,001 $7,930 $31,035 0 2
Carol Constantine 9 71 7.89 3 9 6 4.23% 25.35% $59,497 $838 $6,611 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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 34 164 4.82 23 30 27 14.02% 48.78% $1,058,418 $6,454 $31,130 0 0
Carol Constantine 15 50 3.33 3 2 5 6% 20% $46,950 $939 $3,130 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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 36 146 4.06 20 14 28 13.7% 42.47% $654,335 $4,482 $18,176 0 0
Carol Constantine 7 34 4.86 4 2 1 11.76% 20.59% $44,805 $1,318 $6,401 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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 45 176 3.91 24 26 29 13.64% 44.89% $1,028,086 $5,841 $22,846 0 0
Carol Constantine 14 46 3.29 2 4 4 4.35% 21.74% $47,550 $1,034 $3,396 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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 50 207 4.14 25 36 43 12.08% 50.24% $892,033 $4,309 $17,841 0 0
Carol Constantine 11 35 3.18 1 5 2 2.86% 22.86% $26,973 $771 $2,452 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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 50 191 3.82 44 20 29 23.04% 48.69% $1,209,896 $6,335 $24,198 0 1
Carol Constantine 3 17 5.67 0 1 0 0% 5.88% $4,682 $275 $1,561 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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 52 194 3.73 23 31 31 11.86% 43.81% $853,306 $4,398 $16,410 0 0
Carol Constantine 9 23 2.56 1 0 2 4.35% 13.04% $13,166 $572 $1,463 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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 52 228 4.38 55 31 30 24.12% 50.88% $1,603,035 $7,031 $30,828 2 6
Carol Constantine 6 25 4.17 1 1 5 4% 28% $18,239 $730 $3,040 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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 60 252 4.2 33 40 34 13.1% 42.46% $1,333,825 $5,293 $22,230 0 4
Carol Constantine 4 28 7 3 0 3 10.71% 21.43% $26,234 $937 $6,559 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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 75 291 3.88 53 43 34 18.21% 44.67% $2,567,109 $8,822 $34,228 1 11
Carol Constantine 5 18 3.6 1 2 2 5.56% 27.78% $20,852 $1,158 $4,170 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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 71 258 3.63 43 50 43 16.67% 52.71% $2,196,384 $8,513 $30,935 1 1
Carol Constantine 4 16 4 1 1 0 6.25% 12.5% $14,130 $883 $3,533 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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 82 255 3.11 38 36 30 14.9% 40.78% $1,653,135 $6,483 $20,160 3 3
Carol Constantine 9 19 2.11 0 4 0 0% 21.05% $14,425 $759 $1,603 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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 92 300 3.26 52 55 28 17.33% 45% $2,852,035 $9,507 $31,000 4 6
Carol Constantine 16 42 2.63 2 1 3 4.76% 14.29% $20,273 $483 $1,267 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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 84 339 4.04 59 51 61 17.4% 50.44% $2,781,647 $8,205 $33,115 5 6
Carol Constantine 27 157 5.81 5 18 12 3.18% 22.29% $97,099 $618 $3,596 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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 82 268 3.27 48 37 44 17.91% 48.13% $1,980,349 $7,389 $24,151 1 4
Carol Constantine 24 144 6 10 7 15 6.94% 22.22% $89,461 $621 $3,728 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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 78 276 3.54 49 52 46 17.75% 53.26% $1,885,241 $6,831 $24,170 0 2
Carol Constantine 26 124 4.77 9 7 18 7.26% 27.42% $98,004 $790 $3,769 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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 102 280 2.75 47 47 44 16.79% 49.29% $1,952,537 $6,973 $19,143 0 3
Carol Constantine 16 118 7.38 6 17 19 5.08% 35.59% $91,388 $774 $5,712 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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 90 356 3.96 70 67 52 19.66% 53.09% $3,756,577 $10,552 $41,740 5 10
Carol Constantine 21 127 6.05 7 15 13 5.51% 27.56% $96,466 $760 $4,594 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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 72 265 3.68 48 52 44 18.11% 54.34% $1,797,023 $6,781 $24,959 0 3
Carol Constantine 21 90 4.29 3 8 9 3.33% 22.22% $30,995 $344 $1,476 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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 55 227 4.13 35 28 40 15.42% 45.37% $1,059,629 $4,668 $19,266 0 4
Carol Constantine 14 84 6 7 3 3 8.33% 15.48% $29,654 $353 $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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 60 247 4.12 34 42 35 13.77% 44.94% $1,331,666 $5,391 $22,194 1 2
Carol Constantine 11 76 6.91 4 4 13 5.26% 27.63% $19,844 $261 $1,804 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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 62 253 4.08 44 49 29 17.39% 48.22% $1,355,054 $5,356 $21,856 0 4
Carol Constantine 4 38 9.5 2 4 3 5.26% 23.68% $10,820 $285 $2,705 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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 66 293 4.44 48 49 31 16.38% 43.69% $1,353,680 $4,620 $20,510 0 3
Carol Constantine 8 36 4.5 1 2 2 2.78% 13.89% $3,400 $94 $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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 46 251 5.46 51 39 35 20.32% 49.8% $1,204,001 $4,797 $26,174 2 6
Carol Constantine 11 43 3.91 1 1 5 2.33% 16.28% $3,509 $82 $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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 45 189 4.2 30 32 30 15.87% 48.68% $607,508 $3,214 $13,500 0 0
Carol Constantine 10 56 5.6 5 3 3 8.93% 19.64% $8,159 $146 $816 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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 54 216 4 35 26 30 16.2% 42.13% $1,078,445 $4,993 $19,971 2 4
Carol Constantine 9 49 5.44 1 1 6 2.04% 16.33% $5,559 $113 $618 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
2025 National Trainer Avg. 3.31 13.64% 40.9% $5,415 $17,925
Vladimir Cerin 38 158 4.16 19 33 24 12.03% 48.1% $550,620 $3,485 $14,490 0 0
Carol Constantine 7 53 7.57 3 2 8 5.66% 24.53% $8,802 $166 $1,257 0 0