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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
Dale Koler 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Mark Passley 5 17 3.4 1 1 3 5.88% 29.41% $40,230 $2,366 $8,046 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
Dale Koler 1 4 4 0 0 0 0% 0% $830 $208 $830 0 0
Mark Passley 13 49 3.77 7 3 6 14.29% 32.65% $181,945 $3,713 $13,996 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
Dale Koler 1 2 2 1 0 1 50% 100% $7,878 $3,939 $7,878 0 0
Mark Passley 6 30 5 2 3 3 6.67% 26.67% $58,140 $1,938 $9,690 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
Dale Koler 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Mark Passley 3 20 6.67 2 0 3 10% 25% $37,550 $1,878 $12,517 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
Dale Koler 3 8 2.67 1 3 2 12.5% 75% $13,665 $1,708 $4,555 0 0
Mark Passley 10 24 2.4 2 2 2 8.33% 25% $44,530 $1,855 $4,453 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
Dale Koler 2 9 4.5 1 2 4 11.11% 77.78% $11,431 $1,270 $5,716 0 0
Mark Passley 8 33 4.13 6 8 7 18.18% 63.64% $181,320 $5,495 $22,665 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
Dale Koler 3 10 3.33 2 2 1 20% 50% $12,301 $1,230 $4,100 0 0
Mark Passley 12 39 3.25 3 4 1 7.69% 20.51% $56,530 $1,449 $4,711 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
Dale Koler 3 6 2 0 1 0 0% 16.67% $2,400 $400 $800 0 0
Mark Passley 9 36 4 1 1 3 2.78% 13.89% $28,913 $803 $3,213 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
Dale Koler 1 5 5 1 0 1 20% 40% $5,080 $1,016 $5,080 0 0
Mark Passley 10 45 4.5 2 4 6 4.44% 26.67% $83,403 $1,853 $8,340 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
Dale Koler 2 7 3.5 1 1 0 14.29% 28.57% $6,750 $964 $3,375 0 0
Mark Passley 5 16 3.2 1 0 2 6.25% 18.75% $21,620 $1,351 $4,324 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
Dale Koler 2 9 4.5 0 1 0 0% 11.11% $4,278 $475 $2,139 0 0
Mark Passley 7 36 5.14 3 8 2 8.33% 36.11% $65,240 $1,812 $9,320 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
Dale Koler 3 16 5.33 0 0 2 0% 12.5% $5,595 $350 $1,865 0 0
Mark Passley 5 10 2 1 2 0 10% 30% $13,400 $1,340 $2,680 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
Dale Koler 2 12 6 1 2 1 8.33% 33.33% $7,420 $618 $3,710 0 0
Mark Passley 16 76 4.75 5 8 10 6.58% 30.26% $81,715 $1,075 $5,107 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
Dale Koler 5 24 4.8 2 4 2 8.33% 33.33% $16,537 $689 $3,307 0 0
Mark Passley 16 64 4 5 6 12 7.81% 35.94% $85,451 $1,335 $5,341 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
Dale Koler 2 10 5 2 2 1 20% 50% $10,434 $1,043 $5,217 0 0
Mark Passley 14 79 5.64 18 16 9 22.78% 54.43% $194,998 $2,468 $13,928 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
Dale Koler 3 19 6.33 2 0 5 10.53% 36.84% $10,304 $542 $3,435 0 0
Mark Passley 25 114 4.56 14 19 15 12.28% 42.11% $270,417 $2,372 $10,817 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
Dale Koler 3 12 4 1 1 1 8.33% 25% $5,595 $466 $1,865 0 0
Mark Passley 20 91 4.55 16 3 13 17.58% 35.16% $223,462 $2,456 $11,173 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
Dale Koler 2 14 7 0 1 1 0% 14.29% $4,392 $314 $2,196 0 0
Mark Passley 24 121 5.04 6 11 17 4.96% 28.1% $115,697 $956 $4,821 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
Dale Koler 2 15 7.5 0 1 0 0% 6.67% $2,489 $166 $1,245 0 0
Mark Passley 14 86 6.14 11 10 14 12.79% 40.7% $115,740 $1,346 $8,267 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. 4 13.53% 40.55% $5,513 $22,031
Dale Koler 2 12 6 3 2 4 25% 75% $19,185 $1,599 $9,593 0 0
Mark Passley 16 65 4.06 9 8 8 13.85% 38.46% $116,618 $1,794 $7,289 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
Dale Koler 2 11 5.5 0 3 0 0% 27.27% $4,932 $448 $2,466 0 0
Mark Passley 17 73 4.29 7 7 6 9.59% 27.4% $126,425 $1,732 $7,437 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
Dale Koler 2 12 6 3 0 0 25% 25% $11,527 $961 $5,764 0 0
Mark Passley 21 100 4.76 12 9 15 12% 36% $143,849 $1,438 $6,850 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
Dale Koler 2 9 4.5 1 0 0 11.11% 11.11% $3,347 $372 $1,674 0 0
Mark Passley 17 104 6.12 11 13 16 10.58% 38.46% $100,177 $963 $5,893 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Dale Koler 3 16 5.33 0 1 1 0% 12.5% $2,259 $141 $753 0 0
Mark Passley 17 90 5.29 13 15 13 14.44% 45.56% $78,046 $867 $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. 4 13.53% 40.55% $5,513 $22,031
Dale Koler 5 27 5.4 2 1 1 7.41% 14.81% $11,011 $408 $2,202 0 0
Mark Passley 11 41 3.73 8 6 5 19.51% 46.34% $52,553 $1,282 $4,778 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
Dale Koler 2 17 8.5 1 1 4 5.88% 35.29% $7,492 $441 $3,746 0 0
Mark Passley 9 37 4.11 2 2 3 5.41% 18.92% $26,749 $723 $2,972 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
Dale Koler 3 14 4.67 0 1 3 0% 28.57% $5,103 $365 $1,701 0 0
Mark Passley 10 39 3.9 3 5 4 7.69% 30.77% $39,082 $1,002 $3,908 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Dale Koler 3 14 4.67 0 1 0 0% 7.14% $2,042 $146 $681 0 0
Mark Passley 12 33 2.75 7 5 4 21.21% 48.48% $117,500 $3,561 $9,792 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
Dale Koler 3 12 4 1 0 0 8.33% 8.33% $4,215 $351 $1,405 0 0
Mark Passley 10 50 5 8 6 1 16% 30% $88,473 $1,769 $8,847 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
Dale Koler 2 4 2 0 0 1 0% 25% $505 $126 $253 0 0
Mark Passley 8 23 2.88 2 2 4 8.7% 34.78% $30,743 $1,337 $3,843 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
Dale Koler 3 16 5.33 2 1 2 12.5% 31.25% $6,331 $396 $2,110 0 0
Mark Passley 4 16 4 2 1 1 12.5% 25% $11,462 $716 $2,866 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Dale Koler 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Mark Passley 3 7 2.33 0 1 1 0% 28.57% $2,930 $419 $977 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
Dale Koler 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Mark Passley 1 3 3 0 0 0 0% 0% $490 $163 $490 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
Dale Koler 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Mark Passley 4 22 5.5 0 0 0 0% 0% $2,633 $120 $658 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
Dale Koler 7 39 5.57 0 3 4 0% 17.95% $8,560 $219 $1,223 0 0
Mark Passley 8 33 4.13 2 3 3 6.06% 24.24% $26,100 $791 $3,263 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
Dale Koler 4 23 5.75 0 2 0 0% 8.7% $3,665 $159 $916 0 0
Mark Passley 1 1 1 0 0 0 0% 0% $55 $55 $55 0 0