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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. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 20 68 3.4 13 6 13 19.12% 47.06% $539,220 $7,930 $26,961 0 0
Joseph P. Mahan 10 66 6.6 5 11 12 7.58% 42.42% $97,039 $1,470 $9,704 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. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 20 76 3.8 8 9 14 10.53% 40.79% $788,870 $10,380 $39,444 0 0
Joseph P. Mahan 10 81 8.1 9 13 9 11.11% 38.27% $165,366 $2,042 $16,537 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. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 29 101 3.48 14 21 16 13.86% 50.5% $653,675 $6,472 $22,541 0 0
Joseph P. Mahan 13 83 6.38 14 6 23 16.87% 51.81% $203,369 $2,450 $15,644 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. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 39 163 4.18 29 19 22 17.79% 42.94% $1,220,153 $7,486 $31,286 0 2
Joseph P. Mahan 11 101 9.18 5 14 16 4.95% 34.65% $172,023 $1,703 $15,638 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. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 49 155 3.16 35 21 24 22.58% 51.61% $1,430,413 $9,228 $29,192 1 3
Joseph P. Mahan 10 88 8.8 16 14 17 18.18% 53.41% $301,254 $3,423 $30,125 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. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 47 149 3.17 27 21 22 18.12% 46.98% $1,301,307 $8,734 $27,687 0 0
Joseph P. Mahan 10 81 8.1 16 16 15 19.75% 58.02% $217,536 $2,686 $21,754 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 37 110 2.97 17 16 16 15.45% 44.55% $589,213 $5,356 $15,925 0 0
Joseph P. Mahan 14 89 6.36 8 8 15 8.99% 34.83% $153,245 $1,722 $10,946 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. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 42 184 4.38 28 30 21 15.22% 42.93% $1,495,368 $8,127 $35,604 0 1
Joseph P. Mahan 13 103 7.92 10 14 17 9.71% 39.81% $184,195 $1,788 $14,169 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 58 235 4.05 38 34 32 16.17% 44.26% $1,603,329 $6,823 $27,644 1 4
Joseph P. Mahan 7 67 9.57 8 4 14 11.94% 38.81% $169,033 $2,523 $24,148 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. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 58 227 3.91 40 42 29 17.62% 48.9% $1,800,001 $7,930 $31,035 0 2
Joseph P. Mahan 13 76 5.85 10 12 9 13.16% 40.79% $142,620 $1,877 $10,971 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. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 34 164 4.82 23 30 27 14.02% 48.78% $1,058,418 $6,454 $31,130 0 0
Joseph P. Mahan 6 79 13.17 6 11 8 7.59% 31.65% $64,948 $822 $10,825 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. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 36 146 4.06 20 14 28 13.7% 42.47% $654,335 $4,482 $18,176 0 0
Joseph P. Mahan 10 68 6.8 5 7 7 7.35% 27.94% $72,046 $1,060 $7,205 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. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 45 176 3.91 24 26 29 13.64% 44.89% $1,028,086 $5,841 $22,846 0 0
Joseph P. Mahan 6 47 7.83 5 3 6 10.64% 29.79% $74,289 $1,581 $12,382 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. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 50 207 4.14 25 36 43 12.08% 50.24% $892,033 $4,309 $17,841 0 0
Joseph P. Mahan 6 54 9 5 3 9 9.26% 31.48% $68,237 $1,264 $11,373 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. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 50 191 3.82 44 20 29 23.04% 48.69% $1,209,896 $6,335 $24,198 0 1
Joseph P. Mahan 5 33 6.6 1 2 4 3.03% 21.21% $15,481 $469 $3,096 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. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 52 194 3.73 23 31 31 11.86% 43.81% $853,306 $4,398 $16,410 0 0
Joseph P. Mahan 7 53 7.57 1 0 4 1.89% 9.43% $13,699 $258 $1,957 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. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 52 228 4.38 55 31 30 24.12% 50.88% $1,603,035 $7,031 $30,828 2 6
Joseph P. Mahan 9 65 7.22 1 2 8 1.54% 16.92% $24,676 $380 $2,742 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. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 60 252 4.2 33 40 34 13.1% 42.46% $1,333,825 $5,293 $22,230 0 4
Joseph P. Mahan 9 74 8.22 6 5 6 8.11% 22.97% $61,630 $833 $6,848 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. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 75 291 3.88 53 43 34 18.21% 44.67% $2,567,109 $8,822 $34,228 1 11
Joseph P. Mahan 7 80 11.43 5 7 7 6.25% 23.75% $67,314 $841 $9,616 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. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 71 258 3.63 43 50 43 16.67% 52.71% $2,196,384 $8,513 $30,935 1 1
Joseph P. Mahan 11 79 7.18 5 2 8 6.33% 18.99% $77,397 $980 $7,036 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. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 82 255 3.11 38 36 30 14.9% 40.78% $1,653,135 $6,483 $20,160 3 3
Joseph P. Mahan 16 110 6.88 6 11 16 5.45% 30% $119,074 $1,082 $7,442 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. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 92 300 3.26 52 55 28 17.33% 45% $2,852,035 $9,507 $31,000 4 6
Joseph P. Mahan 13 99 7.62 9 10 15 9.09% 34.34% $171,698 $1,734 $13,208 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. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 84 339 4.04 59 51 61 17.4% 50.44% $2,781,647 $8,205 $33,115 5 6
Joseph P. Mahan 14 101 7.21 10 10 19 9.9% 38.61% $180,324 $1,785 $12,880 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. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 82 268 3.27 48 37 44 17.91% 48.13% $1,980,349 $7,389 $24,151 1 4
Joseph P. Mahan 20 122 6.1 14 11 16 11.48% 33.61% $187,205 $1,534 $9,360 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. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 78 276 3.54 49 52 46 17.75% 53.26% $1,885,241 $6,831 $24,170 0 2
Joseph P. Mahan 18 129 7.17 15 16 17 11.63% 37.21% $221,287 $1,715 $12,294 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. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 102 280 2.75 47 47 44 16.79% 49.29% $1,952,537 $6,973 $19,143 0 3
Joseph P. Mahan 20 137 6.85 20 19 19 14.6% 42.34% $330,048 $2,409 $16,502 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. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 90 356 3.96 70 67 52 19.66% 53.09% $3,756,577 $10,552 $41,740 5 10
Joseph P. Mahan 16 119 7.44 21 18 15 17.65% 45.38% $267,509 $2,248 $16,719 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 72 265 3.68 48 52 44 18.11% 54.34% $1,797,023 $6,781 $24,959 0 3
Joseph P. Mahan 17 145 8.53 26 16 17 17.93% 40.69% $257,302 $1,774 $15,135 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. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 55 227 4.13 35 28 40 15.42% 45.37% $1,059,629 $4,668 $19,266 0 4
Joseph P. Mahan 23 210 9.13 19 19 23 9.05% 29.05% $205,898 $980 $8,952 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 60 247 4.12 34 42 35 13.77% 44.94% $1,331,666 $5,391 $22,194 1 2
Joseph P. Mahan 27 221 8.19 25 21 26 11.31% 32.58% $236,617 $1,071 $8,764 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. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 62 253 4.08 44 49 29 17.39% 48.22% $1,355,054 $5,356 $21,856 0 4
Joseph P. Mahan 21 190 9.05 24 19 34 12.63% 40.53% $212,399 $1,118 $10,114 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 66 293 4.44 48 49 31 16.38% 43.69% $1,353,680 $4,620 $20,510 0 3
Joseph P. Mahan 22 193 8.77 26 26 24 13.47% 39.38% $231,427 $1,199 $10,519 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 46 251 5.46 51 39 35 20.32% 49.8% $1,204,001 $4,797 $26,174 2 6
Joseph P. Mahan 18 148 8.22 14 13 18 9.46% 30.41% $161,913 $1,094 $8,995 0 2

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. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 45 189 4.2 30 32 30 15.87% 48.68% $607,508 $3,214 $13,500 0 0
Joseph P. Mahan 19 158 8.32 16 18 13 10.13% 29.75% $152,600 $966 $8,032 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. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 54 216 4 35 26 30 16.2% 42.13% $1,078,445 $4,993 $19,971 2 4
Joseph P. Mahan 17 174 10.24 18 25 19 10.34% 35.63% $170,371 $979 $10,022 0 2

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. 4 13.53% 40.55% $5,513 $22,031
Vladimir Cerin 38 158 4.16 19 33 24 12.03% 48.1% $550,620 $3,485 $14,490 0 0
Joseph P. Mahan 26 227 8.73 20 23 25 8.81% 29.96% $107,961 $476 $4,152 0 0