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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
John D. Leeson 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Boris Kocijan 1 3 3 0 0 1 0% 33.33% $2,600 $867 $2,600 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
John D. Leeson 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Boris Kocijan 2 2 1 0 0 0 0% 0% $770 $385 $385 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
John D. Leeson 1 4 4 0 0 0 0% 0% $2,488 $622 $2,488 0 0
Boris Kocijan 4 7 1.75 0 2 0 0% 28.57% $7,650 $1,093 $1,913 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
John D. Leeson 1 6 6 0 0 1 0% 16.67% $12,937 $2,156 $12,937 0 0
Boris Kocijan 3 7 2.33 0 1 1 0% 28.57% $6,990 $999 $2,330 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
John D. Leeson 1 3 3 0 0 0 0% 0% $1,500 $500 $1,500 0 0
Boris Kocijan 4 15 3.75 0 2 2 0% 26.67% $13,151 $877 $3,288 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
John D. Leeson 1 6 6 1 1 1 16.67% 50% $28,200 $4,700 $28,200 0 0
Boris Kocijan 12 33 2.75 0 0 2 0% 6.06% $12,331 $374 $1,028 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
John D. Leeson 5 17 3.4 0 0 1 0% 5.88% $18,525 $1,090 $3,705 0 0
Boris Kocijan 8 44 5.5 2 3 5 4.55% 22.73% $47,906 $1,089 $5,988 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
John D. Leeson 2 16 8 3 1 2 18.75% 37.5% $39,665 $2,479 $19,833 0 0
Boris Kocijan 9 56 6.22 1 5 4 1.79% 17.86% $37,420 $668 $4,158 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
John D. Leeson 2 14 7 1 1 2 7.14% 28.57% $22,884 $1,635 $11,442 0 0
Boris Kocijan 14 54 3.86 2 4 4 3.7% 18.52% $58,138 $1,077 $4,153 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
John D. Leeson 2 16 8 1 3 1 6.25% 31.25% $66,548 $4,159 $33,274 0 0
Boris Kocijan 7 11 1.57 0 1 3 0% 36.36% $9,875 $898 $1,411 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
John D. Leeson 3 21 7 1 1 2 4.76% 19.05% $38,148 $1,817 $12,716 0 0
Boris Kocijan 9 31 3.44 0 1 4 0% 16.13% $8,932 $288 $992 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
John D. Leeson 4 20 5 1 1 3 5% 25% $35,214 $1,761 $8,804 0 0
Boris Kocijan 10 26 2.6 2 2 3 7.69% 26.92% $16,343 $629 $1,634 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
John D. Leeson 4 21 5.25 2 2 4 9.52% 38.1% $44,822 $2,134 $11,206 0 0
Boris Kocijan 13 32 2.46 1 3 4 3.13% 25% $20,190 $631 $1,553 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
John D. Leeson 2 21 10.5 2 1 4 9.52% 33.33% $37,754 $1,798 $18,877 0 0
Boris Kocijan 8 29 3.63 1 1 3 3.45% 17.24% $30,880 $1,065 $3,860 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
John D. Leeson 3 16 5.33 0 2 0 0% 12.5% $11,115 $695 $3,705 0 0
Boris Kocijan 13 43 3.31 3 4 5 6.98% 27.91% $66,065 $1,536 $5,082 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
John D. Leeson 1 3 3 0 0 0 0% 0% $1,400 $467 $1,400 0 0
Boris Kocijan 13 31 2.38 2 0 7 6.45% 29.03% $35,930 $1,159 $2,764 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
John D. Leeson 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Boris Kocijan 5 5 1 1 0 0 20% 20% $8,231 $1,646 $1,646 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
John D. Leeson 4 27 6.75 1 1 2 3.7% 14.81% $21,282 $788 $5,321 0 0
Boris Kocijan 14 51 3.64 2 3 6 3.92% 21.57% $79,539 $1,560 $5,681 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
John D. Leeson 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Boris Kocijan 16 113 7.06 7 12 16 6.19% 30.97% $215,970 $1,911 $13,498 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
John D. Leeson 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Boris Kocijan 13 69 5.31 12 7 3 17.39% 31.88% $221,788 $3,214 $17,061 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
John D. Leeson 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Boris Kocijan 8 67 8.38 0 5 6 0% 16.42% $51,289 $766 $6,411 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
John D. Leeson 1 1 1 0 0 0 0% 0% $110 $110 $110 0 0
Boris Kocijan 13 64 4.92 3 5 5 4.69% 20.31% $101,279 $1,582 $7,791 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
John D. Leeson 1 10 10 1 0 1 10% 20% $8,189 $819 $8,189 0 0
Boris Kocijan 6 42 7 3 2 5 7.14% 23.81% $53,280 $1,269 $8,880 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
John D. Leeson 1 6 6 0 1 1 0% 33.33% $5,841 $974 $5,841 0 0
Boris Kocijan 10 30 3 2 2 8 6.67% 40% $14,400 $480 $1,440 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
John D. Leeson 3 5 1.67 0 1 2 0% 60% $17,600 $3,520 $5,867 0 0
Boris Kocijan 6 29 4.83 0 1 0 0% 3.45% $5,275 $182 $879 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
John D. Leeson 2 9 4.5 1 0 2 11.11% 33.33% $22,900 $2,544 $11,450 0 0
Boris Kocijan 5 21 4.2 0 0 2 0% 9.52% $5,661 $270 $1,132 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
John D. Leeson 3 16 5.33 2 1 2 12.5% 31.25% $66,778 $4,174 $22,259 0 0
Boris Kocijan 5 55 11 1 1 2 1.82% 7.27% $15,276 $278 $3,055 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
John D. Leeson 3 12 4 1 0 1 8.33% 16.67% $25,262 $2,105 $8,421 0 0
Boris Kocijan 5 65 13 4 12 6 6.15% 33.85% $56,374 $867 $11,275 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
John D. Leeson 3 18 6 1 2 1 5.56% 22.22% $17,066 $948 $5,689 0 0
Boris Kocijan 8 62 7.75 4 5 10 6.45% 30.65% $52,446 $846 $6,556 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
John D. Leeson 3 11 3.67 1 0 2 9.09% 27.27% $23,505 $2,137 $7,835 0 0
Boris Kocijan 16 164 10.25 16 13 17 9.76% 28.05% $124,809 $761 $7,801 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
John D. Leeson 2 13 6.5 0 1 0 0% 7.69% $4,257 $327 $2,129 0 0
Boris Kocijan 13 98 7.54 14 15 15 14.29% 44.9% $87,365 $891 $6,720 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
John D. Leeson 2 13 6.5 1 1 1 7.69% 23.08% $7,570 $582 $3,785 0 0
Boris Kocijan 13 60 4.62 7 12 10 11.67% 48.33% $41,891 $698 $3,222 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
John D. Leeson 3 26 8.67 2 2 3 7.69% 26.92% $17,565 $676 $5,855 0 0
Boris Kocijan 5 52 10.4 5 4 9 9.62% 34.62% $20,514 $395 $4,103 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
John D. Leeson 1 2 2 0 0 0 0% 0% $298 $149 $298 0 0
Boris Kocijan 9 70 7.78 4 7 8 5.71% 27.14% $19,795 $283 $2,199 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
John D. Leeson 1 3 3 0 0 0 0% 0% $0 $0 $0 0 0
Boris Kocijan 10 48 4.8 0 7 3 0% 20.83% $5,308 $111 $531 0 0