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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
Mark E. Thomas 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jeffrey D. Jackson 2 14 7 0 3 2 0% 35.71% $10,537 $753 $5,269 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
Mark E. Thomas 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jeffrey D. Jackson 2 18 9 0 1 1 0% 11.11% $9,393 $522 $4,697 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
Mark E. Thomas 7 30 4.29 4 5 6 13.33% 50% $68,702 $2,290 $9,815 0 0
Jeffrey D. Jackson 3 16 5.33 0 2 1 0% 18.75% $6,473 $405 $2,158 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
Mark E. Thomas 10 39 3.9 7 7 7 17.95% 53.85% $119,550 $3,065 $11,955 0 0
Jeffrey D. Jackson 3 31 10.33 3 2 11 9.68% 51.61% $47,740 $1,540 $15,913 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
Mark E. Thomas 12 41 3.42 2 4 9 4.88% 36.59% $52,303 $1,276 $4,359 0 0
Jeffrey D. Jackson 3 23 7.67 3 7 4 13.04% 60.87% $53,666 $2,333 $17,889 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
Mark E. Thomas 12 51 4.25 9 8 7 17.65% 47.06% $133,723 $2,622 $11,144 0 0
Jeffrey D. Jackson 2 20 10 3 4 0 15% 35% $32,615 $1,631 $16,308 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
Mark E. Thomas 14 65 4.64 10 10 8 15.38% 43.08% $126,136 $1,941 $9,010 0 0
Jeffrey D. Jackson 2 16 8 1 2 0 6.25% 18.75% $21,828 $1,364 $10,914 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
Mark E. Thomas 15 63 4.2 7 11 14 11.11% 50.79% $122,995 $1,952 $8,200 0 0
Jeffrey D. Jackson 2 9 4.5 3 1 0 33.33% 44.44% $52,999 $5,889 $26,500 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
Mark E. Thomas 16 71 4.44 9 6 12 12.68% 38.03% $139,148 $1,960 $8,697 0 0
Jeffrey D. Jackson 2 10 5 2 1 4 20% 70% $56,255 $5,626 $28,128 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
Mark E. Thomas 16 62 3.88 7 5 12 11.29% 38.71% $137,553 $2,219 $8,597 0 0
Jeffrey D. Jackson 1 10 10 0 0 0 0% 0% $1,415 $142 $1,415 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
Mark E. Thomas 15 40 2.67 7 8 2 17.5% 42.5% $94,759 $2,369 $6,317 0 0
Jeffrey D. Jackson 1 10 10 1 0 0 10% 10% $13,767 $1,377 $13,767 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
Mark E. Thomas 16 47 2.94 6 6 6 12.77% 38.3% $91,139 $1,939 $5,696 0 0
Jeffrey D. Jackson 2 20 10 0 2 4 0% 30% $13,351 $668 $6,676 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
Mark E. Thomas 14 40 2.86 3 3 5 7.5% 27.5% $48,106 $1,203 $3,436 0 0
Jeffrey D. Jackson 1 4 4 0 1 0 0% 25% $2,753 $688 $2,753 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
Mark E. Thomas 11 37 3.36 4 7 4 10.81% 40.54% $128,963 $3,485 $11,724 0 0
Jeffrey D. Jackson 1 11 11 2 3 1 18.18% 54.55% $14,503 $1,318 $14,503 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
Mark E. Thomas 14 43 3.07 5 5 6 11.63% 37.21% $119,061 $2,769 $8,504 0 1
Jeffrey D. Jackson 2 15 7.5 0 1 3 0% 26.67% $8,658 $577 $4,329 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
Mark E. Thomas 12 32 2.67 1 2 6 3.13% 28.13% $28,655 $895 $2,388 0 0
Jeffrey D. Jackson 2 10 5 1 1 3 10% 50% $42,082 $4,208 $21,041 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
Mark E. Thomas 15 59 3.93 4 5 4 6.78% 22.03% $55,020 $933 $3,668 0 0
Jeffrey D. Jackson 2 6 3 0 0 0 0% 0% $963 $161 $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
Mark E. Thomas 8 43 5.38 5 4 4 11.63% 30.23% $79,070 $1,839 $9,884 0 0
Jeffrey D. Jackson 4 25 6.25 1 1 2 4% 16% $7,868 $315 $1,967 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
Mark E. Thomas 13 49 3.77 2 2 6 4.08% 20.41% $55,104 $1,125 $4,239 0 0
Jeffrey D. Jackson 3 21 7 0 1 4 0% 23.81% $9,631 $459 $3,210 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
Mark E. Thomas 13 56 4.31 5 2 4 8.93% 19.64% $58,559 $1,046 $4,505 0 0
Jeffrey D. Jackson 1 18 18 1 1 0 5.56% 11.11% $13,911 $773 $13,911 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
Mark E. Thomas 20 121 6.05 15 13 26 12.4% 44.63% $137,271 $1,134 $6,864 0 0
Jeffrey D. Jackson 1 3 3 0 0 0 0% 0% $247 $82 $247 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
Mark E. Thomas 21 108 5.14 12 16 18 11.11% 42.59% $136,905 $1,268 $6,519 0 0
Jeffrey D. Jackson 3 18 6 0 0 1 0% 5.56% $3,676 $204 $1,225 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
Mark E. Thomas 25 106 4.24 9 16 16 8.49% 38.68% $120,195 $1,134 $4,808 0 0
Jeffrey D. Jackson 8 50 6.25 6 0 8 12% 28% $38,473 $769 $4,809 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
Mark E. Thomas 21 114 5.43 13 19 14 11.4% 40.35% $124,092 $1,089 $5,909 0 0
Jeffrey D. Jackson 5 16 3.2 2 2 4 12.5% 50% $25,241 $1,578 $5,048 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
Mark E. Thomas 21 113 5.38 20 18 19 17.7% 50.44% $216,670 $1,917 $10,318 0 0
Jeffrey D. Jackson 1 1 1 0 0 1 0% 100% $1,650 $1,650 $1,650 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
Mark E. Thomas 15 67 4.47 5 11 6 7.46% 32.84% $35,681 $533 $2,379 0 0
Jeffrey D. Jackson 2 11 5.5 1 0 2 9.09% 27.27% $2,172 $197 $1,086 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
Mark E. Thomas 9 39 4.33 5 4 7 12.82% 41.03% $23,391 $600 $2,599 0 0
Jeffrey D. Jackson 2 7 3.5 0 0 0 0% 0% $448 $64 $224 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
Mark E. Thomas 3 5 1.67 0 0 0 0% 0% $512 $102 $171 0 0
Jeffrey D. Jackson 2 6 3 0 0 0 0% 0% $190 $32 $95 0 0