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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
Shane M. Spiess 11 43 3.91 4 4 6 9.3% 32.56% $48,601 $1,130 $4,418 0 0
Juan L. Diaz 15 15 1 3 2 2 20% 46.67% $19,920 $1,328 $1,328 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
Shane M. Spiess 30 191 6.37 22 18 31 11.52% 37.17% $233,307 $1,222 $7,777 0 0
Juan L. Diaz 4 13 3.25 1 5 2 7.69% 61.54% $12,160 $935 $3,040 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
Shane M. Spiess 42 226 5.38 17 18 38 7.52% 32.3% $225,467 $998 $5,368 0 0
Juan L. Diaz 1 1 1 1 0 0 100% 100% $3,480 $3,480 $3,480 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
Shane M. Spiess 63 377 5.98 37 39 53 9.81% 34.22% $449,155 $1,191 $7,129 0 0
Juan L. Diaz 23 64 2.78 9 8 8 14.06% 39.06% $57,780 $903 $2,512 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
Shane M. Spiess 76 451 5.93 59 73 81 13.08% 47.23% $745,456 $1,653 $9,809 0 0
Juan L. Diaz 26 54 2.08 6 3 4 11.11% 24.07% $38,836 $719 $1,494 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
Shane M. Spiess 70 388 5.54 48 64 60 12.37% 44.33% $592,189 $1,526 $8,460 0 0
Juan L. Diaz 15 63 4.2 9 7 12 14.29% 44.44% $73,053 $1,160 $4,870 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
Shane M. Spiess 58 263 4.53 26 34 43 9.89% 39.16% $280,316 $1,066 $4,833 0 0
Juan L. Diaz 19 74 3.89 8 11 5 10.81% 32.43% $56,050 $757 $2,950 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
Shane M. Spiess 57 310 5.44 25 37 48 8.06% 35.48% $288,730 $931 $5,065 0 0
Juan L. Diaz 43 181 4.21 21 23 23 11.6% 37.02% $169,988 $939 $3,953 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
Shane M. Spiess 64 343 5.36 32 39 55 9.33% 36.73% $325,978 $950 $5,093 0 0
Juan L. Diaz 59 309 5.24 40 47 51 12.94% 44.66% $364,126 $1,178 $6,172 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
Shane M. Spiess 91 476 5.23 54 80 54 11.34% 39.5% $492,188 $1,034 $5,409 0 0
Juan L. Diaz 28 126 4.5 26 27 20 20.63% 57.94% $180,524 $1,433 $6,447 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
Shane M. Spiess 97 536 5.53 62 84 79 11.57% 41.98% $633,643 $1,182 $6,532 0 0
Juan L. Diaz 23 125 5.43 26 25 26 20.8% 61.6% $213,683 $1,709 $9,291 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
Shane M. Spiess 89 442 4.97 46 71 62 10.41% 40.5% $455,701 $1,031 $5,120 0 0
Juan L. Diaz 27 111 4.11 30 19 16 27.03% 58.56% $187,411 $1,688 $6,941 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
Shane M. Spiess 70 352 5.03 60 53 58 17.05% 48.58% $552,624 $1,570 $7,895 0 0
Juan L. Diaz 22 89 4.05 23 15 9 25.84% 52.81% $94,613 $1,063 $4,301 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
Shane M. Spiess 71 350 4.93 55 46 49 15.71% 42.86% $455,020 $1,300 $6,409 0 0
Juan L. Diaz 23 103 4.48 12 17 22 11.65% 49.51% $78,339 $761 $3,406 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
Shane M. Spiess 51 263 5.16 37 48 42 14.07% 48.29% $390,988 $1,487 $7,666 0 1
Juan L. Diaz 24 157 6.54 26 26 24 16.56% 48.41% $151,906 $968 $6,329 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
Shane M. Spiess 40 171 4.28 31 35 26 18.13% 53.8% $370,620 $2,167 $9,266 0 0
Juan L. Diaz 66 289 4.38 49 39 34 16.96% 42.21% $524,233 $1,814 $7,943 4 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
Shane M. Spiess 40 227 5.68 16 21 40 7.05% 33.92% $141,797 $625 $3,545 0 0
Juan L. Diaz 56 289 5.16 51 38 51 17.65% 48.44% $563,680 $1,950 $10,066 2 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
Shane M. Spiess 32 245 7.66 24 35 42 9.8% 41.22% $227,960 $930 $7,124 0 1
Juan L. Diaz 22 66 3 16 7 8 24.24% 46.97% $123,373 $1,869 $5,608 1 1