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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
Tommy C. Short 27 110 4.07 1 12 17 0.91% 27.27% $164,685 $1,497 $6,099 0 0
Leonard M. Slager 1 8 8 0 1 2 0% 37.5% $14,370 $1,796 $14,370 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
Tommy C. Short 38 177 4.66 16 21 18 9.04% 31.07% $405,204 $2,289 $10,663 0 0
Leonard M. Slager 8 28 3.5 1 5 5 3.57% 39.29% $100,100 $3,575 $12,513 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
Tommy C. Short 33 192 5.82 24 22 23 12.5% 35.94% $387,688 $2,019 $11,748 0 0
Leonard M. Slager 12 102 8.5 9 13 12 8.82% 33.33% $168,645 $1,653 $14,054 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
Tommy C. Short 31 180 5.81 19 15 25 10.56% 32.78% $382,515 $2,125 $12,339 0 0
Leonard M. Slager 11 55 5 11 5 7 20% 41.82% $187,684 $3,412 $17,062 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
Tommy C. Short 28 181 6.46 22 12 24 12.15% 32.04% $321,690 $1,777 $11,489 0 0
Leonard M. Slager 17 114 6.71 8 8 13 7.02% 25.44% $139,404 $1,223 $8,200 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
Tommy C. Short 23 162 7.04 25 19 17 15.43% 37.65% $302,232 $1,866 $13,141 0 0
Leonard M. Slager 16 106 6.63 9 10 10 8.49% 27.36% $151,287 $1,427 $9,455 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
Tommy C. Short 27 211 7.81 21 28 15 9.95% 30.33% $270,126 $1,280 $10,005 0 0
Leonard M. Slager 30 115 3.83 9 18 13 7.83% 34.78% $148,782 $1,294 $4,959 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
Tommy C. Short 38 228 6 24 35 26 10.53% 37.28% $336,715 $1,477 $8,861 0 0
Leonard M. Slager 32 246 7.69 23 16 29 9.35% 27.64% $282,374 $1,148 $8,824 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
Tommy C. Short 42 274 6.52 34 33 28 12.41% 34.67% $451,406 $1,647 $10,748 0 0
Leonard M. Slager 33 204 6.18 20 29 20 9.8% 33.82% $244,880 $1,200 $7,421 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
Tommy C. Short 47 263 5.6 31 32 28 11.79% 34.6% $469,785 $1,786 $9,995 0 0
Leonard M. Slager 11 70 6.36 8 10 11 11.43% 41.43% $124,158 $1,774 $11,287 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
Tommy C. Short 46 240 5.22 21 33 25 8.75% 32.92% $393,714 $1,640 $8,559 0 0
Leonard M. Slager 14 81 5.79 6 13 13 7.41% 39.51% $125,674 $1,552 $8,977 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
Tommy C. Short 47 347 7.38 28 42 45 8.07% 33.14% $478,277 $1,378 $10,176 0 0
Leonard M. Slager 7 44 6.29 11 6 2 25% 43.18% $120,766 $2,745 $17,252 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
Tommy C. Short 31 187 6.03 8 13 25 4.28% 24.6% $134,424 $719 $4,336 0 0
Leonard M. Slager 10 37 3.7 5 3 3 13.51% 29.73% $66,506 $1,797 $6,651 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
Tommy C. Short 22 104 4.73 7 11 12 6.73% 28.85% $78,932 $759 $3,588 0 0
Leonard M. Slager 10 42 4.2 3 3 4 7.14% 23.81% $62,615 $1,491 $6,262 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
Tommy C. Short 27 160 5.93 16 19 17 10% 32.5% $125,370 $784 $4,643 0 0
Leonard M. Slager 17 47 2.76 2 2 1 4.26% 10.64% $34,010 $724 $2,001 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
Tommy C. Short 27 147 5.44 13 11 18 8.84% 28.57% $111,672 $760 $4,136 0 0
Leonard M. Slager 16 37 2.31 3 3 3 8.11% 24.32% $31,363 $848 $1,960 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
Tommy C. Short 20 99 4.95 8 6 16 8.08% 30.3% $85,503 $864 $4,275 0 0
Leonard M. Slager 17 72 4.24 1 5 9 1.39% 20.83% $41,200 $572 $2,424 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
Tommy C. Short 19 139 7.32 14 17 19 10.07% 35.97% $223,107 $1,605 $11,742 0 0
Leonard M. Slager 21 64 3.05 6 4 10 9.38% 31.25% $70,569 $1,103 $3,360 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
Tommy C. Short 28 224 8 15 19 34 6.7% 30.36% $206,967 $924 $7,392 0 0
Leonard M. Slager 13 77 5.92 5 11 7 6.49% 29.87% $82,166 $1,067 $6,320 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
Tommy C. Short 47 249 5.3 16 19 23 6.43% 23.29% $204,134 $820 $4,343 0 0
Leonard M. Slager 11 18 1.64 0 3 1 0% 22.22% $13,290 $738 $1,208 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
Tommy C. Short 12 55 4.58 5 7 3 9.09% 27.27% $40,354 $734 $3,363 0 0
Leonard M. Slager 2 3 1.5 0 0 0 0% 0% $705 $235 $353 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
Tommy C. Short 18 79 4.39 7 2 6 8.86% 18.99% $54,291 $687 $3,016 0 0
Leonard M. Slager 6 30 5 1 4 4 3.33% 30% $17,446 $582 $2,908 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
Tommy C. Short 17 82 4.82 7 8 7 8.54% 26.83% $75,807 $924 $4,459 0 0
Leonard M. Slager 7 35 5 0 3 3 0% 17.14% $8,875 $254 $1,268 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
Tommy C. Short 6 37 6.17 5 6 6 13.51% 45.95% $75,815 $2,049 $12,636 0 0
Leonard M. Slager 13 75 5.77 3 6 5 4% 18.67% $29,051 $387 $2,235 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
Tommy C. Short 6 13 2.17 0 0 0 0% 0% $278 $21 $46 0 0
Leonard M. Slager 14 79 5.64 3 2 7 3.8% 15.19% $22,464 $284 $1,605 0 0