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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
Martin L. Rouck 1 4 4 0 0 2 0% 50% $11,653 $2,913 $11,653 0 0
Mike Chambers 12 29 2.42 5 9 4 17.24% 62.07% $70,830 $2,442 $5,903 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
Martin L. Rouck 3 9 3 1 0 1 11.11% 22.22% $18,508 $2,056 $6,169 0 0
Mike Chambers 9 23 2.56 6 1 3 26.09% 43.48% $48,924 $2,127 $5,436 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
Martin L. Rouck 4 11 2.75 3 2 0 27.27% 45.45% $40,527 $3,684 $10,132 0 0
Mike Chambers 18 34 1.89 2 7 8 5.88% 50% $65,543 $1,928 $3,641 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
Martin L. Rouck 4 11 2.75 3 3 1 27.27% 63.64% $66,466 $6,042 $16,617 0 0
Mike Chambers 12 31 2.58 5 9 4 16.13% 58.06% $95,878 $3,093 $7,990 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
Martin L. Rouck 1 7 7 0 1 2 0% 42.86% $16,320 $2,331 $16,320 0 0
Mike Chambers 19 46 2.42 11 9 1 23.91% 45.65% $147,286 $3,202 $7,752 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
Martin L. Rouck 4 4 1 0 0 0 0% 0% $2,733 $683 $683 0 0
Mike Chambers 19 56 2.95 10 9 6 17.86% 44.64% $84,707 $1,513 $4,458 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
Martin L. Rouck 4 18 4.5 1 2 0 5.56% 16.67% $29,083 $1,616 $7,271 0 0
Mike Chambers 11 21 1.91 0 2 4 0% 28.57% $10,038 $478 $913 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
Martin L. Rouck 5 13 2.6 2 1 0 15.38% 23.08% $40,338 $3,103 $8,068 0 0
Mike Chambers 15 35 2.33 6 5 7 17.14% 51.43% $49,450 $1,413 $3,297 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
Martin L. Rouck 7 20 2.86 1 8 1 5% 50% $57,569 $2,878 $8,224 0 0
Mike Chambers 20 36 1.8 8 4 4 22.22% 44.44% $71,823 $1,995 $3,591 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
Martin L. Rouck 5 14 2.8 1 2 1 7.14% 28.57% $42,853 $3,061 $8,571 0 0
Mike Chambers 22 44 2 8 3 7 18.18% 40.91% $94,610 $2,150 $4,300 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
Martin L. Rouck 10 37 3.7 7 8 4 18.92% 51.35% $117,988 $3,189 $11,799 0 0
Mike Chambers 19 51 2.68 14 5 8 27.45% 52.94% $102,427 $2,008 $5,391 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
Martin L. Rouck 10 49 4.9 5 0 5 10.2% 20.41% $62,259 $1,271 $6,226 0 0
Mike Chambers 45 130 2.89 38 23 24 29.23% 65.38% $317,852 $2,445 $7,063 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
Martin L. Rouck 11 38 3.45 4 6 6 10.53% 42.11% $93,135 $2,451 $8,467 0 0
Mike Chambers 51 195 3.82 48 36 31 24.62% 58.97% $464,949 $2,384 $9,117 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
Martin L. Rouck 10 54 5.4 6 6 9 11.11% 38.89% $125,726 $2,328 $12,573 0 0
Mike Chambers 62 209 3.37 71 30 31 33.97% 63.16% $637,207 $3,049 $10,278 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
Martin L. Rouck 13 75 5.77 7 13 8 9.33% 37.33% $136,699 $1,823 $10,515 0 0
Mike Chambers 72 212 2.94 62 47 39 29.25% 69.81% $603,376 $2,846 $8,380 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
Martin L. Rouck 10 51 5.1 8 7 6 15.69% 41.18% $123,753 $2,427 $12,375 0 1
Mike Chambers 95 259 2.73 78 46 39 30.12% 62.93% $547,617 $2,114 $5,764 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
Martin L. Rouck 14 59 4.21 3 9 5 5.08% 28.81% $68,428 $1,160 $4,888 0 0
Mike Chambers 77 232 3.01 79 61 29 34.05% 72.84% $626,917 $2,702 $8,142 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
Martin L. Rouck 10 57 5.7 13 6 4 22.81% 40.35% $128,781 $2,259 $12,878 0 0
Mike Chambers 87 273 3.14 95 50 34 34.8% 65.57% $670,085 $2,455 $7,702 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
Martin L. Rouck 10 70 7 12 8 7 17.14% 38.57% $100,339 $1,433 $10,034 0 0
Mike Chambers 110 333 3.03 126 63 48 37.84% 71.17% $1,127,188 $3,385 $10,247 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
Martin L. Rouck 15 57 3.8 8 8 5 14.04% 36.84% $79,533 $1,395 $5,302 0 0
Mike Chambers 57 171 3 51 46 18 29.82% 67.25% $498,813 $2,917 $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
Martin L. Rouck 15 66 4.4 11 11 7 16.67% 43.94% $190,825 $2,891 $12,722 0 0
Mike Chambers 21 38 1.81 14 7 10 36.84% 81.58% $103,288 $2,718 $4,918 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
Martin L. Rouck 12 43 3.58 4 9 5 9.3% 41.86% $161,920 $3,766 $13,493 0 1
Mike Chambers 2 5 2.5 2 2 1 40% 100% $11,370 $2,274 $5,685 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
Martin L. Rouck 8 36 4.5 6 6 5 16.67% 47.22% $98,748 $2,743 $12,344 0 0
Mike Chambers 10 22 2.2 3 5 3 13.64% 50% $21,786 $990 $2,179 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
Martin L. Rouck 7 39 5.57 5 7 2 12.82% 35.9% $113,444 $2,909 $16,206 0 0
Mike Chambers 5 12 2.4 3 0 2 25% 41.67% $27,165 $2,264 $5,433 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
Martin L. Rouck 9 42 4.67 8 6 3 19.05% 40.48% $88,995 $2,119 $9,888 0 0
Mike Chambers 25 73 2.92 6 12 7 8.22% 34.25% $215,780 $2,956 $8,631 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
Martin L. Rouck 10 35 3.5 1 5 4 2.86% 28.57% $55,947 $1,598 $5,595 0 0
Mike Chambers 27 83 3.07 10 12 14 12.05% 43.37% $312,059 $3,760 $11,558 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
Martin L. Rouck 8 34 4.25 3 4 3 8.82% 29.41% $41,339 $1,216 $5,167 0 0
Mike Chambers 37 137 3.7 21 31 23 15.33% 54.74% $1,014,315 $7,404 $27,414 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
Martin L. Rouck 5 26 5.2 4 3 9 15.38% 61.54% $58,907 $2,266 $11,781 0 0
Mike Chambers 33 99 3 14 18 15 14.14% 47.47% $595,068 $6,011 $18,032 1 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
Martin L. Rouck 6 34 5.67 3 4 4 8.82% 32.35% $34,676 $1,020 $5,779 0 0
Mike Chambers 25 104 4.16 17 7 20 16.35% 42.31% $458,767 $4,411 $18,351 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
Martin L. Rouck 7 27 3.86 1 0 3 3.7% 14.81% $8,443 $313 $1,206 0 0
Mike Chambers 29 112 3.86 18 21 11 16.07% 44.64% $440,497 $3,933 $15,190 1 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
Martin L. Rouck 1 13 13 0 0 1 0% 7.69% $1,058 $81 $1,058 0 0
Mike Chambers 59 278 4.71 58 43 33 20.86% 48.2% $507,310 $1,825 $8,598 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
Martin L. Rouck 5 15 3 1 1 3 6.67% 33.33% $2,936 $196 $587 0 0
Mike Chambers 77 358 4.65 66 59 58 18.44% 51.12% $607,945 $1,698 $7,895 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
Martin L. Rouck 8 67 8.38 4 8 8 5.97% 29.85% $17,303 $258 $2,163 0 0
Mike Chambers 75 374 4.99 86 52 56 22.99% 51.87% $772,203 $2,065 $10,296 0 4