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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
Timothy E. Hamm 82 191 2.33 26 27 35 13.61% 46.07% $892,277 $4,672 $10,881 0 0
Gregory DiPrima 5 14 2.8 0 2 3 0% 35.71% $68,486 $4,892 $13,697 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
Timothy E. Hamm 119 614 5.16 126 96 83 20.52% 49.67% $3,604,066 $5,870 $30,286 0 2
Gregory DiPrima 8 19 2.38 1 3 0 5.26% 21.05% $101,360 $5,335 $12,670 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
Timothy E. Hamm 126 644 5.11 131 117 92 20.34% 52.8% $4,208,744 $6,535 $33,403 0 4
Gregory DiPrima 12 31 2.58 1 2 3 3.23% 19.35% $89,766 $2,896 $7,481 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
Timothy E. Hamm 131 670 5.11 118 111 112 17.61% 50.9% $3,623,854 $5,409 $27,663 0 3
Gregory DiPrima 19 58 3.05 2 4 2 3.45% 13.79% $139,448 $2,404 $7,339 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
Timothy E. Hamm 138 599 4.34 107 86 70 17.86% 43.91% $3,076,653 $5,136 $22,295 0 3
Gregory DiPrima 22 84 3.82 2 10 15 2.38% 32.14% $327,539 $3,899 $14,888 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
Timothy E. Hamm 141 629 4.46 129 94 98 20.51% 51.03% $3,176,978 $5,051 $22,532 0 6
Gregory DiPrima 15 76 5.07 10 5 8 13.16% 30.26% $351,847 $4,630 $23,456 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
Timothy E. Hamm 125 549 4.39 88 90 77 16.03% 46.45% $2,615,274 $4,764 $20,922 2 7
Gregory DiPrima 17 61 3.59 1 10 6 1.64% 27.87% $183,359 $3,006 $10,786 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
Timothy E. Hamm 98 513 5.23 94 72 76 18.32% 47.17% $2,829,174 $5,515 $28,869 0 10
Gregory DiPrima 24 118 4.92 10 19 12 8.47% 34.75% $524,181 $4,442 $21,841 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
Timothy E. Hamm 89 526 5.91 91 81 76 17.3% 47.15% $2,153,463 $4,094 $24,196 0 2
Gregory DiPrima 19 79 4.16 5 8 9 6.33% 27.85% $304,351 $3,853 $16,018 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
Timothy E. Hamm 85 498 5.86 77 79 70 15.46% 45.38% $2,194,506 $4,407 $25,818 0 5
Gregory DiPrima 14 53 3.79 5 7 7 9.43% 35.85% $211,701 $3,994 $15,122 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
Timothy E. Hamm 74 413 5.58 67 51 51 16.22% 40.92% $1,617,012 $3,915 $21,852 0 1
Gregory DiPrima 23 92 4 5 8 11 5.43% 26.09% $225,305 $2,449 $9,796 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
Timothy E. Hamm 67 367 5.48 39 44 50 10.63% 36.24% $1,300,361 $3,543 $19,408 0 4
Gregory DiPrima 31 114 3.68 13 17 11 11.4% 35.96% $611,768 $5,366 $19,734 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
Timothy E. Hamm 61 307 5.03 52 40 48 16.94% 45.6% $1,292,923 $4,211 $21,195 0 2
Gregory DiPrima 22 93 4.23 8 13 11 8.6% 34.41% $451,295 $4,853 $20,513 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
Timothy E. Hamm 89 434 4.88 74 77 54 17.05% 47.24% $1,759,357 $4,054 $19,768 0 8
Gregory DiPrima 25 69 2.76 8 11 8 11.59% 39.13% $516,948 $7,492 $20,678 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
Timothy E. Hamm 91 409 4.49 80 58 46 19.56% 44.99% $1,770,853 $4,330 $19,460 0 11
Gregory DiPrima 19 70 3.68 11 14 5 15.71% 42.86% $488,067 $6,972 $25,688 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
Timothy E. Hamm 95 505 5.32 97 68 58 19.21% 44.16% $1,625,019 $3,218 $17,105 0 7
Gregory DiPrima 20 79 3.95 5 9 10 6.33% 30.38% $148,706 $1,882 $7,435 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
Timothy E. Hamm 105 485 4.62 70 79 60 14.43% 43.09% $1,374,606 $2,834 $13,091 0 6
Gregory DiPrima 37 163 4.41 20 17 18 12.27% 33.74% $438,566 $2,691 $11,853 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
Timothy E. Hamm 81 406 5.01 63 68 49 15.52% 44.33% $1,500,686 $3,696 $18,527 1 8
Gregory DiPrima 57 208 3.65 31 27 31 14.9% 42.79% $688,604 $3,311 $12,081 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
Timothy E. Hamm 72 440 6.11 72 84 80 16.36% 53.64% $1,396,703 $3,174 $19,399 0 6
Gregory DiPrima 60 182 3.03 30 27 27 16.48% 46.15% $842,439 $4,629 $14,041 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
Timothy E. Hamm 75 395 5.27 66 58 61 16.71% 46.84% $1,082,364 $2,740 $14,432 0 7
Gregory DiPrima 18 69 3.83 12 5 8 17.39% 36.23% $322,279 $4,671 $17,904 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
Timothy E. Hamm 48 271 5.65 43 51 35 15.87% 47.6% $790,430 $2,917 $16,467 0 5
Gregory DiPrima 2 2 1 0 1 0 0% 50% $3,970 $1,985 $1,985 0 0