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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
Jim Dale Brooks 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Marvin A. Johnson 39 125 3.21 20 19 15 16% 43.2% $286,283 $2,290 $7,341 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
Jim Dale Brooks 3 11 3.67 0 2 0 0% 18.18% $5,060 $460 $1,687 0 0
Marvin A. Johnson 28 127 4.54 29 23 20 22.83% 56.69% $284,967 $2,244 $10,177 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
Jim Dale Brooks 3 26 8.67 1 3 3 3.85% 26.92% $17,914 $689 $5,971 0 0
Marvin A. Johnson 16 69 4.31 9 13 13 13.04% 50.72% $105,762 $1,533 $6,610 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
Jim Dale Brooks 8 48 6 1 2 11 2.08% 29.17% $35,020 $730 $4,378 0 0
Marvin A. Johnson 5 8 1.6 2 0 0 25% 25% $7,410 $926 $1,482 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
Jim Dale Brooks 4 21 5.25 1 0 3 4.76% 19.05% $16,520 $787 $4,130 0 0
Marvin A. Johnson 33 97 2.94 18 9 15 18.56% 43.3% $725,517 $7,480 $21,985 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
Jim Dale Brooks 2 10 5 1 2 1 10% 40% $10,637 $1,064 $5,319 0 0
Marvin A. Johnson 52 239 4.6 33 29 42 13.81% 43.51% $990,532 $4,144 $19,049 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
Jim Dale Brooks 3 8 2.67 0 2 0 0% 25% $12,890 $1,611 $4,297 0 0
Marvin A. Johnson 64 307 4.8 41 51 40 13.36% 43% $803,125 $2,616 $12,549 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
Jim Dale Brooks 4 17 4.25 2 1 2 11.76% 29.41% $14,830 $872 $3,708 0 0
Marvin A. Johnson 64 416 6.5 52 57 61 12.5% 40.87% $970,677 $2,333 $15,167 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
Jim Dale Brooks 3 17 5.67 4 1 2 23.53% 41.18% $29,619 $1,742 $9,873 0 0
Marvin A. Johnson 55 286 5.2 46 40 41 16.08% 44.41% $974,549 $3,408 $17,719 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
Jim Dale Brooks 4 14 3.5 0 0 1 0% 7.14% $4,350 $311 $1,088 0 0
Marvin A. Johnson 51 302 5.92 41 45 35 13.58% 40.07% $721,127 $2,388 $14,140 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
Jim Dale Brooks 8 15 1.88 0 1 2 0% 20% $4,757 $317 $595 0 0
Marvin A. Johnson 53 282 5.32 44 26 32 15.6% 36.17% $798,237 $2,831 $15,061 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
Jim Dale Brooks 4 15 3.75 2 2 3 13.33% 46.67% $12,946 $863 $3,237 0 0
Marvin A. Johnson 66 309 4.68 41 36 37 13.27% 36.89% $705,548 $2,283 $10,690 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
Jim Dale Brooks 1 2 2 0 0 2 0% 100% $2,040 $1,020 $2,040 0 0
Marvin A. Johnson 63 292 4.63 66 48 36 22.6% 51.37% $1,004,226 $3,439 $15,940 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
Jim Dale Brooks 4 15 3.75 0 1 4 0% 33.33% $6,127 $408 $1,532 0 0
Marvin A. Johnson 37 153 4.14 36 23 16 23.53% 49.02% $657,075 $4,295 $17,759 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
Jim Dale Brooks 3 11 3.67 3 1 0 27.27% 36.36% $16,313 $1,483 $5,438 0 0
Marvin A. Johnson 29 139 4.79 24 26 15 17.27% 46.76% $491,158 $3,534 $16,936 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
Jim Dale Brooks 1 11 11 2 1 2 18.18% 45.45% $20,471 $1,861 $20,471 0 0
Marvin A. Johnson 25 61 2.44 8 6 5 13.11% 31.15% $224,935 $3,687 $8,997 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
Jim Dale Brooks 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Marvin A. Johnson 51 274 5.37 27 42 33 9.85% 37.23% $258,720 $944 $5,073 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
Jim Dale Brooks 8 30 3.75 1 3 6 3.33% 33.33% $35,395 $1,180 $4,424 0 0
Marvin A. Johnson 65 406 6.25 43 54 58 10.59% 38.18% $271,069 $668 $4,170 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
Jim Dale Brooks 8 42 5.25 10 8 4 23.81% 52.38% $61,656 $1,468 $7,707 0 0
Marvin A. Johnson 53 323 6.09 49 46 52 15.17% 45.51% $343,610 $1,064 $6,483 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
Jim Dale Brooks 13 69 5.31 4 8 9 5.8% 30.43% $55,966 $811 $4,305 0 0
Marvin A. Johnson 70 334 4.77 44 52 39 13.17% 40.42% $325,423 $974 $4,649 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
Jim Dale Brooks 11 65 5.91 11 9 9 16.92% 44.62% $84,567 $1,301 $7,688 0 0
Marvin A. Johnson 69 387 5.61 53 66 43 13.7% 41.86% $584,737 $1,511 $8,474 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
Jim Dale Brooks 16 72 4.5 9 12 7 12.5% 38.89% $57,638 $801 $3,602 0 0
Marvin A. Johnson 92 311 3.38 42 32 32 13.5% 34.08% $373,640 $1,201 $4,061 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
Jim Dale Brooks 11 61 5.55 7 12 13 11.48% 52.46% $37,031 $607 $3,366 0 0
Marvin A. Johnson 65 300 4.62 54 29 35 18% 39.33% $278,126 $927 $4,279 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
Jim Dale Brooks 15 71 4.73 6 8 8 8.45% 30.99% $23,637 $333 $1,576 0 0
Marvin A. Johnson 56 297 5.3 35 43 34 11.78% 37.71% $322,396 $1,086 $5,757 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
Jim Dale Brooks 15 65 4.33 13 5 8 20% 40% $55,048 $847 $3,670 0 0
Marvin A. Johnson 71 354 4.99 43 35 36 12.15% 32.2% $308,013 $870 $4,338 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
Jim Dale Brooks 19 61 3.21 10 6 3 16.39% 31.15% $40,471 $663 $2,130 0 0
Marvin A. Johnson 86 395 4.59 65 62 50 16.46% 44.81% $477,926 $1,210 $5,557 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
Jim Dale Brooks 6 42 7 9 9 1 21.43% 45.24% $22,437 $534 $3,740 0 0
Marvin A. Johnson 116 491 4.23 79 59 59 16.09% 40.12% $525,410 $1,070 $4,529 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
Jim Dale Brooks 3 11 3.67 1 2 2 9.09% 45.45% $2,321 $211 $774 0 0
Marvin A. Johnson 87 423 4.86 100 73 54 23.64% 53.66% $702,578 $1,661 $8,076 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
Jim Dale Brooks 6 21 3.5 5 1 1 23.81% 33.33% $23,107 $1,100 $3,851 0 0
Marvin A. Johnson 71 431 6.07 69 61 44 16.01% 40.37% $519,271 $1,205 $7,314 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
Jim Dale Brooks 4 17 4.25 5 1 2 29.41% 47.06% $15,685 $923 $3,921 0 0
Marvin A. Johnson 57 342 6 49 32 50 14.33% 38.3% $304,119 $889 $5,335 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
Jim Dale Brooks 5 14 2.8 1 3 2 7.14% 42.86% $11,383 $813 $2,277 0 0
Marvin A. Johnson 63 434 6.89 71 78 60 16.36% 48.16% $288,054 $664 $4,572 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
Jim Dale Brooks 8 38 4.75 4 0 3 10.53% 18.42% $6,314 $166 $789 0 0
Marvin A. Johnson 81 577 7.12 92 84 86 15.94% 45.41% $360,477 $625 $4,450 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
Jim Dale Brooks 4 19 4.75 0 2 3 0% 26.32% $1,270 $67 $318 0 0
Marvin A. Johnson 65 441 6.78 79 61 68 17.91% 47.17% $336,175 $762 $5,172 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
Jim Dale Brooks 3 4 1.33 0 0 0 0% 0% $0 $0 $0 0 0
Marvin A. Johnson 73 453 6.21 93 67 61 20.53% 48.79% $376,697 $832 $5,160 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
Jim Dale Brooks 7 39 5.57 2 6 4 5.13% 30.77% $6,444 $165 $921 0 0
Marvin A. Johnson 41 332 8.1 55 48 34 16.57% 41.27% $233,101 $702 $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
Jim Dale Brooks 8 44 5.5 3 8 8 6.82% 43.18% $7,480 $170 $935 0 0
Marvin A. Johnson 43 247 5.74 36 38 29 14.57% 41.7% $173,225 $701 $4,028 0 0