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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
Richard J. Hendriks 16 32 2 6 5 6 18.75% 53.13% $347,000 $10,844 $21,688 1 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
Richard J. Hendriks 35 107 3.06 16 23 13 14.95% 48.6% $674,271 $6,302 $19,265 2 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
Richard J. Hendriks 29 107 3.69 13 14 18 12.15% 42.06% $384,833 $3,597 $13,270 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
Richard J. Hendriks 27 98 3.63 10 16 10 10.2% 36.73% $265,614 $2,710 $9,838 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
Richard J. Hendriks 33 119 3.61 11 14 14 9.24% 32.77% $322,887 $2,713 $9,784 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
Richard J. Hendriks 34 130 3.82 20 17 22 15.38% 45.38% $347,008 $2,669 $10,206 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
Richard J. Hendriks 46 127 2.76 20 17 11 15.75% 37.8% $395,737 $3,116 $8,603 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
Richard J. Hendriks 49 150 3.06 22 21 21 14.67% 42.67% $710,757 $4,738 $14,505 2 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
Richard J. Hendriks 39 123 3.15 24 18 10 19.51% 42.28% $1,004,565 $8,167 $25,758 5 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
Richard J. Hendriks 27 81 3 19 6 7 23.46% 39.51% $528,025 $6,519 $19,556 1 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
Richard J. Hendriks 24 77 3.21 9 16 10 11.69% 45.45% $257,846 $3,349 $10,744 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
Richard J. Hendriks 19 61 3.21 7 6 11 11.48% 39.34% $183,664 $3,011 $9,667 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
Richard J. Hendriks 16 78 4.88 11 11 16 14.1% 48.72% $233,346 $2,992 $14,584 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
Richard J. Hendriks 17 65 3.82 10 8 9 15.38% 41.54% $196,885 $3,029 $11,581 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
Richard J. Hendriks 18 93 5.17 11 17 8 11.83% 38.71% $284,788 $3,062 $15,822 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
Richard J. Hendriks 20 91 4.55 21 12 7 23.08% 43.96% $277,982 $3,055 $13,899 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
Richard J. Hendriks 21 97 4.62 7 13 18 7.22% 39.18% $161,064 $1,660 $7,670 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
Richard J. Hendriks 25 113 4.52 23 13 13 20.35% 43.36% $295,817 $2,618 $11,833 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
Richard J. Hendriks 25 77 3.08 9 10 12 11.69% 40.26% $172,084 $2,235 $6,883 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
Richard J. Hendriks 27 122 4.52 21 15 16 17.21% 42.62% $378,962 $3,106 $14,036 0 1
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
Richard J. Hendriks 36 157 4.36 21 22 21 13.38% 40.76% $310,247 $1,976 $8,618 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
Richard J. Hendriks 52 161 3.1 24 20 20 14.91% 39.75% $338,511 $2,103 $6,510 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 $22,031
Richard J. Hendriks 41 204 4.98 37 29 37 18.14% 50.49% $622,050 $3,049 $15,172 2 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
Richard J. Hendriks 45 240 5.33 28 34 38 11.67% 41.67% $483,389 $2,014 $10,742 1 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
Richard J. Hendriks 37 159 4.3 20 28 24 12.58% 45.28% $430,052 $2,705 $11,623 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
Richard J. Hendriks 36 152 4.22 26 24 16 17.11% 43.42% $473,521 $3,115 $13,153 3 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
Richard J. Hendriks 33 161 4.88 24 28 27 14.91% 49.07% $369,068 $2,292 $11,184 2 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
Richard J. Hendriks 35 122 3.49 21 27 16 17.21% 52.46% $560,913 $4,598 $16,026 0 3
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
Richard J. Hendriks 31 136 4.39 22 22 17 16.18% 44.85% $358,974 $2,640 $11,580 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
Richard J. Hendriks 34 164 4.82 23 26 23 14.02% 43.9% $496,029 $3,025 $14,589 0 4
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
Richard J. Hendriks 38 164 4.32 33 34 24 20.12% 55.49% $454,319 $2,770 $11,956 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 $22,031
Richard J. Hendriks 39 197 5.05 30 29 29 15.23% 44.67% $249,233 $1,265 $6,391 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 $22,031
Richard J. Hendriks 49 216 4.41 34 25 22 15.74% 37.5% $239,410 $1,108 $4,886 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 $22,031
Richard J. Hendriks 58 241 4.16 34 30 37 14.11% 41.91% $221,364 $919 $3,817 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
Richard J. Hendriks 51 274 5.37 40 36 29 14.6% 38.32% $237,862 $868 $4,664 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
Richard J. Hendriks 42 199 4.74 20 42 14 10.05% 38.19% $140,106 $704 $3,336 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