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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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Robert A. MacDonald 4 24 6 4 2 5 16.67% 45.83% $40,674 $1,695 $10,169 0 0
Sam Semkin 1 6 6 0 2 0 0% 33.33% $7,016 $1,169 $7,016 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Robert A. MacDonald 6 45 7.5 5 6 8 11.11% 42.22% $52,431 $1,165 $8,739 0 0
Sam Semkin 5 24 4.8 1 7 3 4.17% 45.83% $34,220 $1,426 $6,844 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Robert A. MacDonald 7 37 5.29 4 2 4 10.81% 27.03% $27,043 $731 $3,863 0 0
Sam Semkin 6 19 3.17 1 1 2 5.26% 21.05% $33,110 $1,743 $5,518 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Robert A. MacDonald 9 40 4.44 4 4 5 10% 32.5% $45,141 $1,129 $5,016 0 0
Sam Semkin 1 4 4 0 1 0 0% 25% $9,641 $2,410 $9,641 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Robert A. MacDonald 13 61 4.69 4 7 10 6.56% 34.43% $49,278 $808 $3,791 0 0
Sam Semkin 2 4 2 0 0 0 0% 0% $542 $136 $271 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Robert A. MacDonald 7 34 4.86 5 5 6 14.71% 47.06% $51,546 $1,516 $7,364 0 0
Sam Semkin 1 4 4 1 0 1 25% 50% $3,841 $960 $3,841 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Robert A. MacDonald 7 38 5.43 10 4 1 26.32% 39.47% $120,765 $3,178 $17,252 0 1
Sam Semkin 2 3 1.5 0 0 0 0% 0% $750 $250 $375 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Robert A. MacDonald 4 28 7 8 3 4 28.57% 53.57% $91,892 $3,282 $22,973 0 0
Sam Semkin 6 21 3.5 1 1 2 4.76% 19.05% $23,230 $1,106 $3,872 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Robert A. MacDonald 4 27 6.75 5 1 2 18.52% 29.63% $48,086 $1,781 $12,022 0 0
Sam Semkin 7 30 4.29 0 2 5 0% 23.33% $43,370 $1,446 $6,196 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Robert A. MacDonald 6 28 4.67 1 5 5 3.57% 39.29% $21,240 $759 $3,540 0 0
Sam Semkin 5 17 3.4 0 2 3 0% 29.41% $19,796 $1,164 $3,959 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Robert A. MacDonald 4 33 8.25 4 6 3 12.12% 39.39% $70,842 $2,147 $17,711 0 1
Sam Semkin 5 12 2.4 1 2 1 8.33% 33.33% $57,160 $4,763 $11,432 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Robert A. MacDonald 9 48 5.33 6 5 5 12.5% 33.33% $59,870 $1,247 $6,652 0 0
Sam Semkin 6 17 2.83 2 1 3 11.76% 35.29% $72,660 $4,274 $12,110 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Robert A. MacDonald 9 52 5.78 2 9 6 3.85% 32.69% $41,198 $792 $4,578 0 0
Sam Semkin 5 11 2.2 1 0 1 9.09% 18.18% $38,006 $3,455 $7,601 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Robert A. MacDonald 7 61 8.71 1 2 12 1.64% 24.59% $26,700 $438 $3,814 0 0
Sam Semkin 8 19 2.38 2 3 2 10.53% 36.84% $89,638 $4,718 $11,205 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Robert A. MacDonald 10 56 5.6 6 8 5 10.71% 33.93% $68,488 $1,223 $6,849 0 0
Sam Semkin 9 25 2.78 3 3 1 12% 28% $116,649 $4,666 $12,961 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Robert A. MacDonald 10 66 6.6 4 13 8 6.06% 37.88% $104,168 $1,578 $10,417 0 1
Sam Semkin 12 42 3.5 5 8 6 11.9% 45.24% $310,360 $7,390 $25,863 1 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Robert A. MacDonald 12 62 5.17 3 7 9 4.84% 30.65% $40,829 $659 $3,402 0 0
Sam Semkin 3 6 2 0 0 0 0% 0% $2,886 $481 $962 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Robert A. MacDonald 13 61 4.69 4 4 5 6.56% 21.31% $33,801 $554 $2,600 0 0
Sam Semkin 3 6 2 0 0 0 0% 0% $0 $0 $0 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Robert A. MacDonald 12 63 5.25 4 8 5 6.35% 26.98% $38,311 $608 $3,193 0 0
Sam Semkin 6 17 2.83 1 0 1 5.88% 11.76% $48,494 $2,853 $8,082 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Robert A. MacDonald 8 51 6.38 3 8 4 5.88% 29.41% $19,958 $391 $2,495 0 0
Sam Semkin 6 17 2.83 0 3 3 0% 35.29% $55,035 $3,237 $9,173 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Robert A. MacDonald 13 47 3.62 3 9 4 6.38% 34.04% $28,890 $615 $2,222 0 0
Sam Semkin 6 17 2.83 4 2 1 23.53% 41.18% $123,480 $7,264 $20,580 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Robert A. MacDonald 15 64 4.27 7 6 9 10.94% 34.38% $51,198 $800 $3,413 0 0
Sam Semkin 6 21 3.5 2 0 3 9.52% 23.81% $45,380 $2,161 $7,563 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Robert A. MacDonald 17 89 5.24 10 13 19 11.24% 47.19% $69,092 $776 $4,064 0 0
Sam Semkin 9 41 4.56 3 2 3 7.32% 19.51% $73,450 $1,791 $8,161 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Robert A. MacDonald 13 89 6.85 12 18 10 13.48% 44.94% $96,860 $1,088 $7,451 0 0
Sam Semkin 7 15 2.14 1 1 3 6.67% 33.33% $36,675 $2,445 $5,239 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Robert A. MacDonald 17 125 7.35 9 11 20 7.2% 32% $65,370 $523 $3,845 0 0
Sam Semkin 9 24 2.67 1 2 2 4.17% 20.83% $40,248 $1,677 $4,472 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Robert A. MacDonald 25 161 6.44 14 20 25 8.7% 36.65% $84,649 $526 $3,386 0 0
Sam Semkin 5 17 3.4 0 1 1 0% 11.76% $7,300 $429 $1,460 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Robert A. MacDonald 30 203 6.77 21 26 24 10.34% 34.98% $90,635 $446 $3,021 0 0
Sam Semkin 5 22 4.4 1 1 2 4.55% 18.18% $7,892 $359 $1,578 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Robert A. MacDonald 29 202 6.97 19 23 20 9.41% 30.69% $83,716 $414 $2,887 0 0
Sam Semkin 5 14 2.8 2 0 1 14.29% 21.43% $24,200 $1,729 $4,840 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Robert A. MacDonald 35 239 6.83 19 37 33 7.95% 37.24% $124,085 $519 $3,545 0 0
Sam Semkin 6 18 3 0 1 1 0% 11.11% $12,180 $677 $2,030 0 0