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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
Stephen D. Dunn 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Mark E. Casse 212 449 2.12 71 72 55 15.81% 44.1% $8,744,034 $19,474 $41,245 5 20

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
Stephen D. Dunn 3 11 3.67 0 1 2 0% 27.27% $15,878 $1,443 $5,293 0 0
Mark E. Casse 392 1486 3.79 237 247 188 15.95% 45.22% $23,216,251 $15,623 $59,225 18 42

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
Stephen D. Dunn 4 15 3.75 1 1 1 6.67% 20% $43,313 $2,888 $10,828 0 0
Mark E. Casse 363 1284 3.54 231 165 177 17.99% 44.63% $17,725,580 $13,805 $48,831 22 52

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
Stephen D. Dunn 4 17 4.25 0 0 0 0% 0% $13,290 $782 $3,323 0 0
Mark E. Casse 325 1250 3.85 206 206 176 16.48% 47.04% $16,874,334 $13,499 $51,921 15 37

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
Stephen D. Dunn 5 23 4.6 0 3 3 0% 26.09% $26,949 $1,172 $5,390 0 0
Mark E. Casse 386 1402 3.63 210 202 165 14.98% 41.16% $15,503,020 $11,058 $40,163 16 36

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
Stephen D. Dunn 6 26 4.33 5 3 2 19.23% 38.46% $107,908 $4,150 $17,985 0 0
Mark E. Casse 363 1347 3.71 225 189 161 16.7% 42.69% $14,881,212 $11,048 $40,995 21 43

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
Stephen D. Dunn 7 33 4.71 5 6 6 15.15% 51.52% $143,205 $4,340 $20,458 0 0
Mark E. Casse 351 1185 3.38 183 179 138 15.44% 42.19% $11,399,112 $9,620 $32,476 14 29

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
Stephen D. Dunn 8 45 5.63 10 8 7 22.22% 55.56% $211,685 $4,704 $26,461 0 0
Mark E. Casse 320 1189 3.72 200 166 168 16.82% 44.91% $16,264,310 $13,679 $50,826 15 40

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
Stephen D. Dunn 7 25 3.57 4 2 2 16% 32% $77,847 $3,114 $11,121 0 0
Mark E. Casse 337 1250 3.71 221 181 172 17.68% 45.92% $14,946,783 $11,957 $44,352 13 43

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
Stephen D. Dunn 12 51 4.25 8 5 9 15.69% 43.14% $160,052 $3,138 $13,338 0 0
Mark E. Casse 351 1323 3.77 233 208 174 17.61% 46.49% $17,420,200 $13,167 $49,630 26 41

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
Stephen D. Dunn 11 59 5.36 11 9 6 18.64% 44.07% $171,658 $2,909 $15,605 0 0
Mark E. Casse 368 1334 3.63 235 202 182 17.62% 46.4% $17,946,005 $13,453 $48,766 26 49

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
Stephen D. Dunn 16 78 4.88 13 10 9 16.67% 41.03% $270,394 $3,467 $16,900 0 0
Mark E. Casse 265 896 3.38 159 149 127 17.75% 48.55% $13,697,149 $15,287 $51,687 17 31

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
Stephen D. Dunn 14 68 4.86 15 9 9 22.06% 48.53% $390,571 $5,744 $27,898 0 0
Mark E. Casse 233 858 3.68 155 144 124 18.07% 49.3% $11,879,496 $13,846 $50,985 16 31

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
Stephen D. Dunn 11 57 5.18 10 12 12 17.54% 59.65% $176,916 $3,104 $16,083 0 0
Mark E. Casse 197 679 3.45 128 96 78 18.85% 44.48% $8,565,108 $12,614 $43,478 9 25

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
Stephen D. Dunn 13 59 4.54 10 8 9 16.95% 45.76% $122,101 $2,070 $9,392 0 0
Mark E. Casse 178 675 3.79 129 114 102 19.11% 51.11% $10,238,086 $15,168 $57,517 14 31

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
Stephen D. Dunn 8 39 4.88 7 5 3 17.95% 38.46% $141,699 $3,633 $17,712 0 0
Mark E. Casse 176 670 3.81 140 91 90 20.9% 47.91% $7,825,205 $11,679 $44,461 3 15

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
Stephen D. Dunn 13 61 4.69 9 8 6 14.75% 37.7% $178,427 $2,925 $13,725 0 1
Mark E. Casse 197 643 3.26 93 85 81 14.46% 40.28% $5,154,687 $8,017 $26,166 1 11

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
Stephen D. Dunn 13 55 4.23 6 8 5 10.91% 34.55% $143,236 $2,604 $11,018 0 1
Mark E. Casse 184 604 3.28 84 82 88 13.91% 42.05% $5,203,757 $8,615 $28,281 3 10

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
Stephen D. Dunn 17 64 3.76 13 9 5 20.31% 42.19% $232,059 $3,626 $13,651 0 0
Mark E. Casse 175 630 3.6 96 89 77 15.24% 41.59% $6,682,521 $10,607 $38,186 3 9

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
Stephen D. Dunn 17 69 4.06 14 8 5 20.29% 39.13% $212,599 $3,081 $12,506 0 1
Mark E. Casse 128 414 3.23 92 80 48 22.22% 53.14% $6,333,041 $15,297 $49,477 4 15

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
Stephen D. Dunn 12 53 4.42 9 11 7 16.98% 50.94% $159,940 $3,018 $13,328 0 0
Mark E. Casse 127 375 2.95 69 54 48 18.4% 45.6% $4,406,418 $11,750 $34,696 4 13

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
Stephen D. Dunn 12 32 2.67 11 8 1 34.38% 62.5% $137,755 $4,305 $11,480 0 0
Mark E. Casse 97 306 3.15 57 43 33 18.63% 43.46% $2,538,926 $8,297 $26,174 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
Stephen D. Dunn 7 17 2.43 4 1 0 23.53% 29.41% $28,885 $1,699 $4,126 0 0
Mark E. Casse 110 323 2.94 48 45 46 14.86% 43.03% $2,946,340 $9,122 $26,785 1 6

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
Stephen D. Dunn 14 60 4.29 10 6 8 16.67% 40% $149,368 $2,489 $10,669 0 1
Mark E. Casse 152 465 3.06 59 61 68 12.69% 40.43% $3,466,964 $7,456 $22,809 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
Stephen D. Dunn 12 47 3.92 8 5 9 17.02% 46.81% $218,990 $4,659 $18,249 0 2
Mark E. Casse 150 514 3.43 76 80 56 14.79% 41.25% $4,055,134 $7,889 $27,034 1 6

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
Stephen D. Dunn 13 47 3.62 7 4 6 14.89% 36.17% $188,977 $4,021 $14,537 0 2
Mark E. Casse 171 592 3.46 76 93 96 12.84% 44.76% $4,005,773 $6,767 $23,426 3 6

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
Stephen D. Dunn 13 47 3.62 8 5 6 17.02% 40.43% $126,206 $2,685 $9,708 0 0
Mark E. Casse 89 255 2.87 39 47 41 15.29% 49.8% $1,950,595 $7,649 $21,917 1 7

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
Stephen D. Dunn 25 84 3.36 8 11 14 9.52% 39.29% $113,335 $1,349 $4,533 0 0
Mark E. Casse 48 176 3.67 42 26 35 23.86% 58.52% $1,337,387 $7,599 $27,862 1 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
Stephen D. Dunn 29 124 4.28 19 13 23 15.32% 44.35% $286,114 $2,307 $9,866 0 0
Mark E. Casse 31 116 3.74 24 30 13 20.69% 57.76% $584,378 $5,038 $18,851 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
Stephen D. Dunn 22 66 3 11 4 7 16.67% 33.33% $266,485 $4,038 $12,113 0 3
Mark E. Casse 3 3 1 1 0 1 33.33% 66.67% $15,840 $5,280 $5,280 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
Stephen D. Dunn 16 64 4 6 7 10 9.38% 35.94% $111,321 $1,739 $6,958 0 0
Mark E. Casse 8 17 2.13 1 3 1 5.88% 29.41% $81,476 $4,793 $10,185 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
Stephen D. Dunn 13 79 6.08 8 10 9 10.13% 34.18% $207,808 $2,630 $15,985 0 0
Mark E. Casse 1 1 1 0 0 0 0% 0% $0 $0 $0 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
Stephen D. Dunn 15 108 7.2 20 15 10 18.52% 41.67% $367,720 $3,405 $24,515 0 0
Mark E. Casse 4 6 1.5 1 1 0 16.67% 33.33% $109,145 $18,191 $27,286 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
Stephen D. Dunn 18 87 4.83 16 13 8 18.39% 42.53% $260,573 $2,995 $14,476 0 1
Mark E. Casse 3 4 1.33 0 0 0 0% 0% $250 $63 $83 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
Stephen D. Dunn 20 82 4.1 8 11 15 9.76% 41.46% $117,692 $1,435 $5,885 0 0
Mark E. Casse 6 9 1.5 1 0 1 11.11% 22.22% $32,180 $3,576 $5,363 0 1