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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 $22,028
Michael R. Thompson 1 1 1 0 0 0 0% 0% $395 $395 $395 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 $22,028
Michael R. Thompson 3 18 6 2 4 1 11.11% 38.89% $63,358 $3,520 $21,119 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 $22,028
Michael R. Thompson 2 10 5 1 0 0 10% 10% $40,782 $4,078 $20,391 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 $22,028
Michael R. Thompson 1 6 6 2 0 1 33.33% 50% $79,066 $13,178 $79,066 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 $22,028
Michael R. Thompson 1 2 2 1 0 0 50% 50% $8,121 $4,061 $8,121 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 $22,028
Michael R. Thompson 1 8 8 0 0 3 0% 37.5% $7,540 $943 $7,540 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 $22,028
Michael R. Thompson 1 5 5 0 0 0 0% 0% $3,160 $632 $3,160 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 $22,028
Michael R. Thompson 2 4 2 0 1 0 0% 25% $6,370 $1,593 $3,185 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 $22,028
Michael R. Thompson 1 2 2 0 0 0 0% 0% $1,140 $570 $1,140 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 $22,028
Michael R. Thompson 2 7 3.5 0 0 1 0% 14.29% $3,878 $554 $1,939 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 $22,028
Michael R. Thompson 1 6 6 1 1 0 16.67% 33.33% $17,215 $2,869 $17,215 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 $22,028
Michael R. Thompson 1 6 6 0 3 1 0% 66.67% $16,407 $2,735 $16,407 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 $22,028
Michael R. Thompson 1 6 6 1 1 1 16.67% 50% $16,285 $2,714 $16,285 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 $22,028
Michael R. Thompson 4 19 4.75 0 2 2 0% 21.05% $18,428 $970 $4,607 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 $22,028
Michael R. Thompson 8 30 3.75 5 2 3 16.67% 33.33% $103,751 $3,458 $12,969 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 $22,028
Michael R. Thompson 13 69 5.31 4 9 7 5.8% 28.99% $143,451 $2,079 $11,035 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 $22,028
Michael R. Thompson 10 67 6.7 8 8 8 11.94% 35.82% $208,971 $3,119 $20,897 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 $22,028
Michael R. Thompson 12 74 6.17 6 5 10 8.11% 28.38% $139,031 $1,879 $11,586 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 $22,028
Michael R. Thompson 11 65 5.91 6 13 8 9.23% 41.54% $176,970 $2,723 $16,088 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 $22,028
Michael R. Thompson 9 48 5.33 6 3 6 12.5% 31.25% $102,589 $2,137 $11,399 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 $22,028
Michael R. Thompson 8 50 6.25 8 1 5 16% 28% $118,123 $2,362 $14,765 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 $22,028
Michael R. Thompson 14 78 5.57 7 11 11 8.97% 37.18% $101,295 $1,299 $7,235 0 0
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 $22,028
Michael R. Thompson 15 65 4.33 9 6 4 13.85% 29.23% $91,018 $1,400 $6,068 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 $22,028
Michael R. Thompson 13 86 6.62 12 10 12 13.95% 39.53% $168,095 $1,955 $12,930 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 $22,028
Michael R. Thompson 12 69 5.75 8 5 12 11.59% 36.23% $111,969 $1,623 $9,331 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 $22,028
Michael R. Thompson 7 34 4.86 3 6 2 8.82% 32.35% $76,412 $2,247 $10,916 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 $22,028
Michael R. Thompson 8 53 6.63 3 9 14 5.66% 49.06% $100,203 $1,891 $12,525 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 $22,028
Michael R. Thompson 10 39 3.9 7 4 2 17.95% 33.33% $55,907 $1,434 $5,591 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 $22,028
Michael R. Thompson 6 39 6.5 5 3 5 12.82% 33.33% $47,832 $1,226 $7,972 0 0
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 $22,028
Michael R. Thompson 15 43 2.87 4 3 5 9.3% 27.91% $50,902 $1,184 $3,393 0 0
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 $22,028
Michael R. Thompson 5 27 5.4 2 4 2 7.41% 29.63% $26,529 $983 $5,306 0 0
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 $22,028
Michael R. Thompson 5 33 6.6 5 7 4 15.15% 48.48% $91,079 $2,760 $18,216 0 0
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 $22,028
Michael R. Thompson 5 20 4 3 2 5 15% 50% $15,197 $760 $3,039 0 0
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 $22,028
Michael R. Thompson 18 128 7.11 20 15 11 15.63% 35.94% $272,283 $2,127 $15,127 0 1
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 $22,028
Michael R. Thompson 16 85 5.31 15 17 14 17.65% 54.12% $255,953 $3,011 $15,997 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 $22,028
Michael R. Thompson 5 38 7.6 4 8 3 10.53% 39.47% $35,693 $939 $7,139 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