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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
Larry D. Donlin 10 39 3.9 5 3 7 12.82% 38.46% $43,775 $1,122 $4,378 0 0
Roger L. Attfield 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
Larry D. Donlin 13 71 5.46 4 11 11 5.63% 36.62% $81,242 $1,144 $6,249 0 0
Roger L. Attfield 11 42 3.82 8 6 6 19.05% 47.62% $556,318 $13,246 $50,574 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
Larry D. Donlin 16 71 4.44 10 6 7 14.08% 32.39% $148,511 $2,092 $9,282 0 0
Roger L. Attfield 23 77 3.35 7 8 6 9.09% 27.27% $449,589 $5,839 $19,547 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
Larry D. Donlin 18 58 3.22 8 5 7 13.79% 34.48% $149,132 $2,571 $8,285 0 0
Roger L. Attfield 27 95 3.52 10 9 13 10.53% 33.68% $1,206,421 $12,699 $44,682 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
Larry D. Donlin 10 47 4.7 4 3 7 8.51% 29.79% $77,751 $1,654 $7,775 0 0
Roger L. Attfield 27 108 4 20 11 15 18.52% 42.59% $2,298,011 $21,278 $85,112 6 8

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
Larry D. Donlin 20 74 3.7 6 10 3 8.11% 25.68% $100,491 $1,358 $5,025 0 0
Roger L. Attfield 36 141 3.92 20 16 15 14.18% 36.17% $1,131,717 $8,026 $31,437 2 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
Larry D. Donlin 22 104 4.73 12 13 17 11.54% 40.38% $119,225 $1,146 $5,419 0 0
Roger L. Attfield 45 168 3.73 17 20 18 10.12% 32.74% $1,213,959 $7,226 $26,977 4 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
Larry D. Donlin 19 109 5.74 15 15 12 13.76% 38.53% $210,642 $1,932 $11,086 0 0
Roger L. Attfield 44 171 3.89 26 27 23 15.2% 44.44% $1,821,336 $10,651 $41,394 5 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
Larry D. Donlin 22 98 4.45 14 15 10 14.29% 39.8% $185,893 $1,897 $8,450 0 0
Roger L. Attfield 43 172 4 20 23 23 11.63% 38.37% $1,474,278 $8,571 $34,286 3 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
Larry D. Donlin 18 101 5.61 12 15 10 11.88% 36.63% $157,523 $1,560 $8,751 0 0
Roger L. Attfield 56 233 4.16 39 26 30 16.74% 40.77% $2,361,352 $10,135 $42,167 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
Larry D. Donlin 18 90 5 2 13 12 2.22% 30% $91,924 $1,021 $5,107 0 0
Roger L. Attfield 53 204 3.85 39 24 23 19.12% 42.16% $2,508,391 $12,296 $47,328 5 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
Larry D. Donlin 24 102 4.25 6 19 17 5.88% 41.18% $190,805 $1,871 $7,950 0 0
Roger L. Attfield 57 208 3.65 40 27 25 19.23% 44.23% $2,740,394 $13,175 $48,077 6 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
Larry D. Donlin 33 146 4.42 12 16 23 8.22% 34.93% $253,313 $1,735 $7,676 0 0
Roger L. Attfield 49 184 3.76 13 19 29 7.07% 33.15% $1,402,286 $7,621 $28,618 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
Larry D. Donlin 29 157 5.41 16 26 19 10.19% 38.85% $274,600 $1,749 $9,469 0 0
Roger L. Attfield 50 191 3.82 25 24 22 13.09% 37.17% $2,066,284 $10,818 $41,326 5 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
Larry D. Donlin 44 176 4 23 23 29 13.07% 42.61% $291,807 $1,658 $6,632 0 0
Roger L. Attfield 57 217 3.81 28 33 29 12.9% 41.47% $2,673,802 $12,322 $46,909 4 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
Larry D. Donlin 29 137 4.72 16 14 21 11.68% 37.23% $159,338 $1,163 $5,494 0 0
Roger L. Attfield 74 280 3.78 55 45 48 19.64% 52.86% $5,428,246 $19,387 $73,355 9 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
Larry D. Donlin 38 195 5.13 22 28 23 11.28% 37.44% $229,619 $1,178 $6,043 0 0
Roger L. Attfield 80 288 3.6 54 46 41 18.75% 48.96% $5,069,136 $17,601 $63,364 11 21

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
Larry D. Donlin 37 222 6 37 28 39 16.67% 46.85% $338,281 $1,524 $9,143 0 0
Roger L. Attfield 60 249 4.15 55 33 33 22.09% 48.59% $4,064,272 $16,322 $67,738 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
Larry D. Donlin 39 185 4.74 24 22 27 12.97% 39.46% $225,068 $1,217 $5,771 0 0
Roger L. Attfield 52 275 5.29 49 31 38 17.82% 42.91% $4,125,092 $15,000 $79,329 3 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
Larry D. Donlin 33 196 5.94 27 45 38 13.78% 56.12% $329,360 $1,680 $9,981 0 0
Roger L. Attfield 55 285 5.18 36 26 32 12.63% 32.98% $2,380,448 $8,352 $43,281 3 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
Larry D. Donlin 30 130 4.33 18 15 12 13.85% 34.62% $254,107 $1,955 $8,470 0 0
Roger L. Attfield 56 239 4.27 32 19 38 13.39% 37.24% $1,858,811 $7,777 $33,193 5 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
Larry D. Donlin 31 166 5.35 22 20 21 13.25% 37.95% $211,593 $1,275 $6,826 0 2
Roger L. Attfield 57 278 4.88 33 30 35 11.87% 35.25% $2,506,089 $9,015 $43,966 3 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
Larry D. Donlin 25 126 5.04 16 32 7 12.7% 43.65% $179,680 $1,426 $7,187 0 0
Roger L. Attfield 57 292 5.12 35 36 35 11.99% 36.3% $2,777,942 $9,514 $48,736 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
Larry D. Donlin 14 85 6.07 8 6 11 9.41% 29.41% $61,909 $728 $4,422 0 0
Roger L. Attfield 66 330 5 32 44 50 9.7% 38.18% $2,993,896 $9,072 $45,362 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
Larry D. Donlin 23 100 4.35 9 11 11 9% 31% $156,578 $1,566 $6,808 0 0
Roger L. Attfield 88 361 4.1 60 56 48 16.62% 45.43% $4,564,221 $12,643 $51,866 2 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
Larry D. Donlin 30 179 5.97 18 17 25 10.06% 33.52% $213,073 $1,190 $7,102 0 0
Roger L. Attfield 75 319 4.25 53 51 28 16.61% 41.38% $3,840,755 $12,040 $51,210 3 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
Larry D. Donlin 18 111 6.17 9 19 14 8.11% 37.84% $158,827 $1,431 $8,824 0 0
Roger L. Attfield 68 307 4.51 51 40 47 16.61% 44.95% $3,415,919 $11,127 $50,234 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
Larry D. Donlin 19 92 4.84 14 12 7 15.22% 35.87% $89,734 $975 $4,723 0 0
Roger L. Attfield 73 295 4.04 47 47 42 15.93% 46.1% $2,095,360 $7,103 $28,704 0 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
Larry D. Donlin 25 113 4.52 8 14 14 7.08% 31.86% $218,832 $1,937 $8,753 0 1
Roger L. Attfield 65 324 4.98 54 52 46 16.67% 46.91% $2,275,105 $7,022 $35,002 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
Larry D. Donlin 22 140 6.36 19 15 18 13.57% 37.14% $258,242 $1,845 $11,738 0 1
Roger L. Attfield 79 339 4.29 54 41 52 15.93% 43.36% $2,507,283 $7,396 $31,738 2 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
Larry D. Donlin 17 74 4.35 9 9 3 12.16% 28.38% $208,541 $2,818 $12,267 0 3
Roger L. Attfield 88 340 3.86 62 50 47 18.24% 46.76% $1,878,445 $5,525 $21,346 0 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
Larry D. Donlin 26 180 6.92 31 31 18 17.22% 44.44% $415,216 $2,307 $15,970 0 3
Roger L. Attfield 83 347 4.18 73 50 43 21.04% 47.84% $3,221,490 $9,284 $38,813 6 18

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
Larry D. Donlin 19 109 5.74 26 22 11 23.85% 54.13% $152,676 $1,401 $8,036 0 1
Roger L. Attfield 78 344 4.41 63 58 52 18.31% 50.29% $2,823,494 $8,208 $36,199 6 16

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
Larry D. Donlin 27 122 4.52 20 20 10 16.39% 40.98% $122,345 $1,003 $4,531 0 0
Roger L. Attfield 74 354 4.78 82 53 47 23.16% 51.41% $4,475,106 $12,642 $60,474 7 27

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
Larry D. Donlin 32 161 5.03 14 23 13 8.7% 31.06% $140,631 $873 $4,395 0 0
Roger L. Attfield 70 301 4.3 59 49 38 19.6% 48.5% $2,383,032 $7,917 $34,043 4 14

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
Larry D. Donlin 46 298 6.48 40 37 28 13.42% 35.23% $182,479 $612 $3,967 0 0
Roger L. Attfield 50 196 3.92 45 37 28 22.96% 56.12% $1,955,609 $9,978 $39,112 3 13