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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
Mary E. Eppler 12 51 4.25 7 6 7 13.73% 39.22% $238,195 $4,670 $19,850 0 0
Gordon C. Colbourne 7 18 2.57 3 2 2 16.67% 38.89% $81,119 $4,507 $11,588 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
Mary E. Eppler 20 74 3.7 7 10 9 9.46% 35.14% $271,760 $3,672 $13,588 0 0
Gordon C. Colbourne 8 45 5.63 2 2 8 4.44% 26.67% $164,814 $3,663 $20,602 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
Mary E. Eppler 15 89 5.93 8 17 17 8.99% 47.19% $343,137 $3,855 $22,876 0 1
Gordon C. Colbourne 9 40 4.44 5 3 7 12.5% 37.5% $167,839 $4,196 $18,649 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
Mary E. Eppler 31 139 4.48 13 21 20 9.35% 38.85% $516,686 $3,717 $16,667 0 0
Gordon C. Colbourne 9 43 4.78 3 7 5 6.98% 34.88% $122,648 $2,852 $13,628 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
Mary E. Eppler 35 165 4.71 14 27 20 8.48% 36.97% $558,805 $3,387 $15,966 0 0
Gordon C. Colbourne 9 50 5.56 6 3 8 12% 34% $183,060 $3,661 $20,340 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
Mary E. Eppler 47 203 4.32 27 32 26 13.3% 41.87% $941,022 $4,636 $20,022 0 1
Gordon C. Colbourne 11 56 5.09 3 3 5 5.36% 19.64% $109,059 $1,947 $9,914 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
Mary E. Eppler 47 167 3.55 22 15 21 13.17% 34.73% $644,744 $3,861 $13,718 0 0
Gordon C. Colbourne 12 60 5 2 4 5 3.33% 18.33% $88,564 $1,476 $7,380 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
Mary E. Eppler 48 220 4.58 32 32 28 14.55% 41.82% $1,051,015 $4,777 $21,896 0 1
Gordon C. Colbourne 8 43 5.38 6 5 4 13.95% 34.88% $241,849 $5,624 $30,231 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
Mary E. Eppler 61 277 4.54 46 54 37 16.61% 49.46% $1,671,689 $6,035 $27,405 1 2
Gordon C. Colbourne 14 55 3.93 1 3 6 1.82% 18.18% $111,210 $2,022 $7,944 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
Mary E. Eppler 69 313 4.54 48 42 40 15.34% 41.53% $1,710,629 $5,465 $24,792 0 4
Gordon C. Colbourne 13 61 4.69 6 4 2 9.84% 19.67% $232,622 $3,813 $17,894 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
Mary E. Eppler 64 282 4.41 49 43 40 17.38% 46.81% $1,761,971 $6,248 $27,531 1 5
Gordon C. Colbourne 11 53 4.82 4 4 3 7.55% 20.75% $106,061 $2,001 $9,642 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
Mary E. Eppler 54 229 4.24 39 42 37 17.03% 51.53% $1,622,430 $7,085 $30,045 0 5
Gordon C. Colbourne 13 66 5.08 2 6 8 3.03% 24.24% $105,307 $1,596 $8,101 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
Mary E. Eppler 39 205 5.26 28 40 29 13.66% 47.32% $1,018,082 $4,966 $26,105 0 2
Gordon C. Colbourne 13 86 6.62 9 11 8 10.47% 32.56% $276,998 $3,221 $21,308 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
Mary E. Eppler 33 185 5.61 25 26 27 13.51% 42.16% $682,962 $3,692 $20,696 0 0
Gordon C. Colbourne 10 51 5.1 2 4 3 3.92% 17.65% $104,750 $2,054 $10,475 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
Mary E. Eppler 32 152 4.75 23 19 15 15.13% 37.5% $554,433 $3,648 $17,326 0 1
Gordon C. Colbourne 11 51 4.64 4 1 7 7.84% 23.53% $103,241 $2,024 $9,386 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
Mary E. Eppler 26 133 5.12 20 12 15 15.04% 35.34% $383,389 $2,883 $14,746 0 0
Gordon C. Colbourne 6 36 6 3 3 3 8.33% 25% $109,259 $3,035 $18,210 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
Mary E. Eppler 21 99 4.71 13 8 10 13.13% 31.31% $460,689 $4,653 $21,938 0 3
Gordon C. Colbourne 10 52 5.2 4 6 2 7.69% 23.08% $131,525 $2,529 $13,153 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
Mary E. Eppler 22 121 5.5 18 14 16 14.88% 39.67% $478,506 $3,955 $21,750 0 3
Gordon C. Colbourne 12 57 4.75 2 2 7 3.51% 19.3% $97,898 $1,718 $8,158 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
Mary E. Eppler 21 120 5.71 14 16 11 11.67% 34.17% $433,855 $3,615 $20,660 0 1
Gordon C. Colbourne 9 45 5 1 2 4 2.22% 15.56% $59,334 $1,319 $6,593 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
Mary E. Eppler 31 139 4.48 15 18 15 10.79% 34.53% $329,887 $2,373 $10,642 0 0
Gordon C. Colbourne 8 47 5.88 1 4 7 2.13% 25.53% $86,280 $1,836 $10,785 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
Mary E. Eppler 35 157 4.49 20 12 18 12.74% 31.85% $501,713 $3,196 $14,335 0 2
Gordon C. Colbourne 13 58 4.46 2 5 4 3.45% 18.97% $152,865 $2,636 $11,759 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
Mary E. Eppler 36 153 4.25 16 12 13 10.46% 26.8% $517,021 $3,379 $14,362 0 4
Gordon C. Colbourne 13 52 4 0 7 3 0% 19.23% $89,493 $1,721 $6,884 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
Mary E. Eppler 43 192 4.47 24 21 31 12.5% 39.58% $613,951 $3,198 $14,278 0 0
Gordon C. Colbourne 12 82 6.83 8 9 5 9.76% 26.83% $278,261 $3,393 $23,188 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
Mary E. Eppler 47 154 3.28 17 15 26 11.04% 37.66% $485,474 $3,152 $10,329 0 0
Gordon C. Colbourne 14 55 3.93 2 6 10 3.64% 32.73% $209,097 $3,802 $14,936 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
Mary E. Eppler 46 180 3.91 18 23 27 10% 37.78% $514,003 $2,856 $11,174 1 1
Gordon C. Colbourne 11 50 4.55 3 5 9 6% 34% $203,345 $4,067 $18,486 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
Mary E. Eppler 48 227 4.73 29 23 27 12.78% 34.8% $749,352 $3,301 $15,612 0 3
Gordon C. Colbourne 9 35 3.89 1 4 2 2.86% 20% $84,761 $2,422 $9,418 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
Mary E. Eppler 56 254 4.54 48 29 34 18.9% 43.7% $948,893 $3,736 $16,945 0 1
Gordon C. Colbourne 8 22 2.75 1 4 2 4.55% 31.82% $98,658 $4,484 $12,332 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
Mary E. Eppler 47 176 3.74 29 26 26 16.48% 46.02% $645,584 $3,668 $13,736 0 3
Gordon C. Colbourne 6 21 3.5 0 1 1 0% 9.52% $14,714 $701 $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. 4 13.53% 40.55% $5,513 $22,031
Mary E. Eppler 29 96 3.31 12 9 10 12.5% 32.29% $326,397 $3,400 $11,255 0 2
Gordon C. Colbourne 5 18 3.6 1 2 1 5.56% 22.22% $14,577 $810 $2,915 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
Mary E. Eppler 31 128 4.13 20 11 13 15.63% 34.38% $596,229 $4,658 $19,233 0 5
Gordon C. Colbourne 11 73 6.64 2 4 6 2.74% 16.44% $17,086 $234 $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
Mary E. Eppler 29 169 5.83 33 25 28 19.53% 50.89% $831,052 $4,917 $28,657 2 2
Gordon C. Colbourne 14 55 3.93 7 3 4 12.73% 25.45% $42,818 $779 $3,058 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
Mary E. Eppler 34 154 4.53 31 29 17 20.13% 50% $523,821 $3,401 $15,407 0 3
Gordon C. Colbourne 16 94 5.88 6 10 10 6.38% 27.66% $114,371 $1,217 $7,148 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
Mary E. Eppler 28 183 6.54 23 24 30 12.57% 42.08% $513,001 $2,803 $18,321 0 2
Gordon C. Colbourne 17 90 5.29 5 6 13 5.56% 26.67% $156,963 $1,744 $9,233 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
Mary E. Eppler 26 130 5 22 23 14 16.92% 45.38% $494,909 $3,807 $19,035 0 2
Gordon C. Colbourne 13 91 7 3 12 6 3.3% 23.08% $197,745 $2,173 $15,211 1 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
Mary E. Eppler 24 135 5.63 22 21 25 16.3% 50.37% $466,188 $3,453 $19,425 0 4
Gordon C. Colbourne 17 101 5.94 12 6 9 11.88% 26.73% $233,812 $2,315 $13,754 1 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
Mary E. Eppler 24 152 6.33 22 27 17 14.47% 43.42% $290,259 $1,910 $12,094 0 1
Gordon C. Colbourne 15 99 6.6 12 15 8 12.12% 35.35% $80,783 $816 $5,386 0 0