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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
Michael Charles Aro 8 25 3.13 0 4 2 0% 24% $37,070 $1,483 $4,634 0 0
Larry D. Donlin 10 39 3.9 5 3 7 12.82% 38.46% $43,775 $1,122 $4,378 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
Michael Charles Aro 12 78 6.5 7 5 7 8.97% 24.36% $202,148 $2,592 $16,846 0 0
Larry D. Donlin 13 71 5.46 4 11 11 5.63% 36.62% $81,242 $1,144 $6,249 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
Michael Charles Aro 13 65 5 2 3 8 3.08% 20% $106,105 $1,632 $8,162 0 0
Larry D. Donlin 16 71 4.44 10 6 7 14.08% 32.39% $148,511 $2,092 $9,282 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
Michael Charles Aro 9 53 5.89 2 3 4 3.77% 16.98% $87,936 $1,659 $9,771 0 0
Larry D. Donlin 18 58 3.22 8 5 7 13.79% 34.48% $149,132 $2,571 $8,285 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
Michael Charles Aro 15 52 3.47 3 2 3 5.77% 15.38% $83,030 $1,597 $5,535 0 0
Larry D. Donlin 10 47 4.7 4 3 7 8.51% 29.79% $77,751 $1,654 $7,775 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
Michael Charles Aro 13 62 4.77 8 8 9 12.9% 40.32% $196,328 $3,167 $15,102 0 0
Larry D. Donlin 20 74 3.7 6 10 3 8.11% 25.68% $100,491 $1,358 $5,025 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
Michael Charles Aro 16 55 3.44 3 3 2 5.45% 14.55% $69,961 $1,272 $4,373 0 0
Larry D. Donlin 22 104 4.73 12 13 17 11.54% 40.38% $119,225 $1,146 $5,419 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
Michael Charles Aro 24 97 4.04 4 8 11 4.12% 23.71% $168,009 $1,732 $7,000 0 0
Larry D. Donlin 19 109 5.74 15 15 12 13.76% 38.53% $210,642 $1,932 $11,086 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
Michael Charles Aro 42 126 3 7 19 8 5.56% 26.98% $322,248 $2,558 $7,673 0 0
Larry D. Donlin 22 98 4.45 14 15 10 14.29% 39.8% $185,893 $1,897 $8,450 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
Michael Charles Aro 32 166 5.19 17 25 21 10.24% 37.95% $559,561 $3,371 $17,486 0 0
Larry D. Donlin 18 101 5.61 12 15 10 11.88% 36.63% $157,523 $1,560 $8,751 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
Michael Charles Aro 22 117 5.32 16 11 17 13.68% 37.61% $559,411 $4,781 $25,428 0 0
Larry D. Donlin 18 90 5 2 13 12 2.22% 30% $91,924 $1,021 $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
Michael Charles Aro 25 127 5.08 13 12 19 10.24% 34.65% $441,265 $3,475 $17,651 0 0
Larry D. Donlin 24 102 4.25 6 19 17 5.88% 41.18% $190,805 $1,871 $7,950 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
Michael Charles Aro 26 124 4.77 16 14 11 12.9% 33.06% $551,876 $4,451 $21,226 0 3
Larry D. Donlin 33 146 4.42 12 16 23 8.22% 34.93% $253,313 $1,735 $7,676 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
Michael Charles Aro 23 103 4.48 11 12 6 10.68% 28.16% $400,656 $3,890 $17,420 0 3
Larry D. Donlin 29 157 5.41 16 26 19 10.19% 38.85% $274,600 $1,749 $9,469 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
Michael Charles Aro 33 143 4.33 14 16 15 9.79% 31.47% $733,967 $5,133 $22,241 0 4
Larry D. Donlin 44 176 4 23 23 29 13.07% 42.61% $291,807 $1,658 $6,632 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
Michael Charles Aro 37 151 4.08 15 27 21 9.93% 41.72% $650,011 $4,305 $17,568 0 1
Larry D. Donlin 29 137 4.72 16 14 21 11.68% 37.23% $159,338 $1,163 $5,494 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
Michael Charles Aro 35 132 3.77 15 19 21 11.36% 41.67% $492,587 $3,732 $14,074 0 0
Larry D. Donlin 38 195 5.13 22 28 23 11.28% 37.44% $229,619 $1,178 $6,043 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
Michael Charles Aro 33 126 3.82 8 17 13 6.35% 30.16% $343,571 $2,727 $10,411 0 0
Larry D. Donlin 37 222 6 37 28 39 16.67% 46.85% $338,281 $1,524 $9,143 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
Michael Charles Aro 32 127 3.97 9 18 9 7.09% 28.35% $279,916 $2,204 $8,747 0 0
Larry D. Donlin 39 185 4.74 24 22 27 12.97% 39.46% $225,068 $1,217 $5,771 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
Michael Charles Aro 26 103 3.96 12 12 14 11.65% 36.89% $204,065 $1,981 $7,849 0 0
Larry D. Donlin 33 196 5.94 27 45 38 13.78% 56.12% $329,360 $1,680 $9,981 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
Michael Charles Aro 24 124 5.17 11 22 15 8.87% 38.71% $188,203 $1,518 $7,842 0 0
Larry D. Donlin 30 130 4.33 18 15 12 13.85% 34.62% $254,107 $1,955 $8,470 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
Michael Charles Aro 30 140 4.67 19 14 16 13.57% 35% $195,717 $1,398 $6,524 0 0
Larry D. Donlin 31 166 5.35 22 20 21 13.25% 37.95% $211,593 $1,275 $6,826 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
Michael Charles Aro 26 162 6.23 15 28 19 9.26% 38.27% $213,906 $1,320 $8,227 0 0
Larry D. Donlin 25 126 5.04 16 32 7 12.7% 43.65% $179,680 $1,426 $7,187 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
Michael Charles Aro 52 252 4.85 31 29 32 12.3% 36.51% $426,840 $1,694 $8,208 0 2
Larry D. Donlin 14 85 6.07 8 6 11 9.41% 29.41% $61,909 $728 $4,422 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
Michael Charles Aro 41 230 5.61 32 30 27 13.91% 38.7% $391,779 $1,703 $9,556 0 0
Larry D. Donlin 23 100 4.35 9 11 11 9% 31% $156,578 $1,566 $6,808 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
Michael Charles Aro 38 258 6.79 36 36 31 13.95% 39.92% $459,347 $1,780 $12,088 0 2
Larry D. Donlin 30 179 5.97 18 17 25 10.06% 33.52% $213,073 $1,190 $7,102 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
Michael Charles Aro 32 242 7.56 35 28 28 14.46% 37.6% $369,624 $1,527 $11,551 0 0
Larry D. Donlin 18 111 6.17 9 19 14 8.11% 37.84% $158,827 $1,431 $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
Michael Charles Aro 34 265 7.79 32 36 29 12.08% 36.6% $331,682 $1,252 $9,755 0 0
Larry D. Donlin 19 92 4.84 14 12 7 15.22% 35.87% $89,734 $975 $4,723 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
Michael Charles Aro 33 233 7.06 36 23 32 15.45% 39.06% $383,457 $1,646 $11,620 0 1
Larry D. Donlin 25 113 4.52 8 14 14 7.08% 31.86% $218,832 $1,937 $8,753 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
Michael Charles Aro 37 262 7.08 40 34 35 15.27% 41.6% $411,192 $1,569 $11,113 0 0
Larry D. Donlin 22 140 6.36 19 15 18 13.57% 37.14% $258,242 $1,845 $11,738 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
Michael Charles Aro 34 346 10.18 42 57 56 12.14% 44.8% $424,231 $1,226 $12,477 0 0
Larry D. Donlin 17 74 4.35 9 9 3 12.16% 28.38% $208,541 $2,818 $12,267 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
Michael Charles Aro 36 249 6.92 31 29 31 12.45% 36.55% $286,526 $1,151 $7,959 0 1
Larry D. Donlin 26 180 6.92 31 31 18 17.22% 44.44% $415,216 $2,307 $15,970 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
Michael Charles Aro 30 206 6.87 30 25 21 14.56% 36.89% $295,878 $1,436 $9,863 0 0
Larry D. Donlin 19 109 5.74 26 22 11 23.85% 54.13% $152,676 $1,401 $8,036 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
Michael Charles Aro 37 300 8.11 45 33 39 15% 39% $355,089 $1,184 $9,597 0 2
Larry D. Donlin 27 122 4.52 20 20 10 16.39% 40.98% $122,345 $1,003 $4,531 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
Michael Charles Aro 42 324 7.71 47 41 48 14.51% 41.98% $301,939 $932 $7,189 0 1
Larry D. Donlin 32 161 5.03 14 23 13 8.7% 31.06% $140,631 $873 $4,395 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
Michael Charles Aro 46 363 7.89 54 59 44 14.88% 43.25% $332,372 $916 $7,225 0 0
Larry D. Donlin 46 298 6.48 40 37 28 13.42% 35.23% $182,479 $612 $3,967 0 0