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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
Steve Koler 3 11 3.67 0 1 0 0% 9.09% $3,775 $343 $1,258 0 0
William D. Cowans 35 66 1.89 10 12 7 15.15% 43.94% $315,324 $4,778 $9,009 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
Steve Koler 4 15 3.75 1 1 2 6.67% 26.67% $15,164 $1,011 $3,791 0 0
William D. Cowans 62 169 2.73 30 29 32 17.75% 53.85% $1,404,995 $8,314 $22,661 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
Steve Koler 3 13 4.33 0 0 3 0% 23.08% $9,756 $750 $3,252 0 0
William D. Cowans 52 146 2.81 33 19 28 22.6% 54.79% $1,590,799 $10,896 $30,592 2 5

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
Steve Koler 3 17 5.67 1 1 2 5.88% 23.53% $14,361 $845 $4,787 0 0
William D. Cowans 67 172 2.57 45 33 19 26.16% 56.4% $1,468,536 $8,538 $21,918 2 3

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
Steve Koler 5 22 4.4 2 1 3 9.09% 27.27% $27,272 $1,240 $5,454 0 0
William D. Cowans 56 151 2.7 36 27 21 23.84% 55.63% $1,151,306 $7,625 $20,559 1 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
Steve Koler 6 44 7.33 2 5 3 4.55% 22.73% $36,748 $835 $6,125 0 0
William D. Cowans 36 129 3.58 33 23 26 25.58% 63.57% $701,887 $5,441 $19,497 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
Steve Koler 4 15 3.75 1 1 0 6.67% 13.33% $9,072 $605 $2,268 0 0
William D. Cowans 39 109 2.79 26 25 15 23.85% 60.55% $543,244 $4,984 $13,929 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
Steve Koler 5 18 3.6 2 1 1 11.11% 22.22% $13,671 $760 $2,734 0 0
William D. Cowans 40 147 3.68 34 34 19 23.13% 59.18% $723,093 $4,919 $18,077 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
Steve Koler 10 32 3.2 0 1 4 0% 15.63% $10,030 $313 $1,003 0 0
William D. Cowans 48 165 3.44 35 37 23 21.21% 57.58% $865,284 $5,244 $18,027 0 3

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
Steve Koler 18 90 5 4 7 9 4.44% 22.22% $53,402 $593 $2,967 0 0
William D. Cowans 65 187 2.88 41 25 27 21.93% 49.73% $860,503 $4,602 $13,239 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
Steve Koler 15 93 6.2 9 14 19 9.68% 45.16% $94,468 $1,016 $6,298 0 0
William D. Cowans 55 179 3.25 41 38 26 22.91% 58.66% $865,135 $4,833 $15,730 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
Steve Koler 16 86 5.38 9 23 16 10.47% 55.81% $121,345 $1,411 $7,584 0 0
William D. Cowans 46 156 3.39 38 27 19 24.36% 53.85% $829,684 $5,318 $18,037 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
Steve Koler 16 87 5.44 8 9 11 9.2% 32.18% $71,660 $824 $4,479 0 0
William D. Cowans 38 131 3.45 50 27 7 38.17% 64.12% $573,130 $4,375 $15,082 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
Steve Koler 17 82 4.82 9 6 8 10.98% 28.05% $80,349 $980 $4,726 0 0
William D. Cowans 42 152 3.62 53 25 21 34.87% 65.13% $540,009 $3,553 $12,857 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
Steve Koler 19 92 4.84 10 10 14 10.87% 36.96% $80,855 $879 $4,256 0 0
William D. Cowans 39 126 3.23 40 20 17 31.75% 61.11% $447,612 $3,552 $11,477 0 3

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
Steve Koler 17 65 3.82 7 8 13 10.77% 43.08% $44,102 $678 $2,594 0 0
William D. Cowans 49 198 4.04 51 43 24 25.76% 59.6% $510,396 $2,578 $10,416 0 3

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
Steve Koler 14 63 4.5 3 2 14 4.76% 30.16% $32,238 $512 $2,303 0 0
William D. Cowans 59 209 3.54 74 40 29 35.41% 68.42% $762,525 $3,648 $12,924 0 4

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
Steve Koler 13 76 5.85 5 9 7 6.58% 27.63% $41,872 $551 $3,221 0 0
William D. Cowans 39 177 4.54 50 34 27 28.25% 62.71% $652,411 $3,686 $16,728 0 4

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
Steve Koler 11 71 6.45 5 5 8 7.04% 25.35% $37,191 $524 $3,381 0 0
William D. Cowans 27 128 4.74 28 21 16 21.88% 50.78% $279,191 $2,181 $10,340 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
Steve Koler 19 98 5.16 6 6 14 6.12% 26.53% $76,721 $783 $4,038 0 0
William D. Cowans 33 170 5.15 48 24 22 28.24% 55.29% $342,283 $2,013 $10,372 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
Steve Koler 14 99 7.07 8 14 8 8.08% 30.3% $115,317 $1,165 $8,237 0 0
William D. Cowans 32 170 5.31 41 25 17 24.12% 48.82% $462,079 $2,718 $14,440 0 5

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
Steve Koler 10 47 4.7 3 6 8 6.38% 36.17% $37,222 $792 $3,722 0 0
William D. Cowans 28 150 5.36 26 25 18 17.33% 46% $220,901 $1,473 $7,889 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
Steve Koler 7 49 7 7 5 9 14.29% 42.86% $41,066 $838 $5,867 0 0
William D. Cowans 21 137 6.52 29 27 17 21.17% 53.28% $164,230 $1,199 $7,820 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
Steve Koler 9 34 3.78 1 4 5 2.94% 29.41% $15,334 $451 $1,704 0 0
William D. Cowans 16 103 6.44 26 25 10 25.24% 59.22% $151,837 $1,474 $9,490 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
Steve Koler 2 10 5 1 2 0 10% 30% $5,180 $518 $2,590 0 0
William D. Cowans 19 102 5.37 17 19 12 16.67% 47.06% $144,653 $1,418 $7,613 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
Steve Koler 4 7 1.75 0 0 0 0% 0% $137 $20 $34 0 0
William D. Cowans 18 93 5.17 16 15 9 17.2% 43.01% $108,051 $1,162 $6,003 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
Steve Koler 9 29 3.22 1 1 1 3.45% 10.34% $4,630 $160 $514 0 0
William D. Cowans 5 22 4.4 3 0 4 13.64% 31.82% $17,188 $781 $3,438 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
Steve Koler 8 45 5.63 7 8 6 15.56% 46.67% $29,302 $651 $3,663 0 0
William D. Cowans 4 30 7.5 3 7 5 10% 50% $27,613 $920 $6,903 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
Steve Koler 6 42 7 2 7 7 4.76% 38.1% $12,379 $295 $2,063 0 0
William D. Cowans 12 44 3.67 7 8 7 15.91% 50% $48,715 $1,107 $4,060 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
Steve Koler 9 41 4.56 5 8 3 12.2% 39.02% $17,576 $429 $1,953 0 0
William D. Cowans 9 42 4.67 6 4 3 14.29% 30.95% $25,382 $604 $2,820 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
Steve Koler 3 6 2 0 0 0 0% 0% $1,149 $192 $383 0 0
William D. Cowans 8 41 5.13 9 3 7 21.95% 46.34% $33,425 $815 $4,178 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
Steve Koler 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
William D. Cowans 4 21 5.25 5 4 1 23.81% 47.62% $16,869 $803 $4,217 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
Steve Koler 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
William D. Cowans 4 38 9.5 3 2 5 7.89% 26.32% $12,184 $321 $3,046 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
Steve Koler 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
William D. Cowans 3 7 2.33 1 1 0 14.29% 28.57% $2,632 $376 $877 0 0