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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
Pamela A. Arnold 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Sam Semkin 1 3 3 0 1 0 0% 33.33% $8,552 $2,851 $8,552 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
Pamela A. Arnold 3 15 5 3 3 2 20% 53.33% $36,172 $2,411 $12,057 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Pamela A. Arnold 7 22 3.14 1 1 2 4.55% 18.18% $20,253 $921 $2,893 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Pamela A. Arnold 7 18 2.57 0 2 2 0% 22.22% $13,835 $769 $1,976 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Pamela A. Arnold 10 53 5.3 2 5 8 3.77% 28.3% $67,185 $1,268 $6,719 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Pamela A. Arnold 10 48 4.8 2 4 10 4.17% 33.33% $91,967 $1,916 $9,197 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Pamela A. Arnold 12 48 4 3 4 7 6.25% 29.17% $97,477 $2,031 $8,123 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Pamela A. Arnold 8 40 5 2 8 4 5% 35% $48,602 $1,215 $6,075 0 0
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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Pamela A. Arnold 13 50 3.85 3 6 7 6% 32% $61,790 $1,236 $4,753 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Pamela A. Arnold 13 31 2.38 0 2 6 0% 25.81% $19,232 $620 $1,479 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Pamela A. Arnold 8 63 7.88 4 9 17 6.35% 47.62% $114,264 $1,814 $14,283 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Pamela A. Arnold 14 47 3.36 2 3 2 4.26% 14.89% $45,550 $969 $3,254 0 0
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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Pamela A. Arnold 11 46 4.18 3 4 7 6.52% 30.43% $55,796 $1,213 $5,072 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Pamela A. Arnold 2 9 4.5 1 0 0 11.11% 11.11% $5,925 $658 $2,963 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Pamela A. Arnold 16 39 2.44 3 7 6 7.69% 41.03% $34,662 $889 $2,166 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Pamela A. Arnold 34 104 3.06 7 9 6 6.73% 21.15% $88,549 $851 $2,604 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Pamela A. Arnold 35 183 5.23 19 21 19 10.38% 32.24% $224,290 $1,226 $6,408 0 0
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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Pamela A. Arnold 32 144 4.5 16 13 18 11.11% 32.64% $148,302 $1,030 $4,634 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Pamela A. Arnold 26 121 4.65 10 13 17 8.26% 33.06% $104,460 $863 $4,018 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Pamela A. Arnold 29 187 6.45 24 19 27 12.83% 37.43% $232,867 $1,245 $8,030 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Pamela A. Arnold 38 217 5.71 32 32 23 14.75% 40.09% $324,413 $1,495 $8,537 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Pamela A. Arnold 31 159 5.13 30 24 22 18.87% 47.8% $270,410 $1,701 $8,723 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Pamela A. Arnold 22 83 3.77 16 16 9 19.28% 49.4% $104,727 $1,262 $4,760 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Pamela A. Arnold 20 98 4.9 12 11 11 12.24% 34.69% $84,430 $862 $4,222 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Pamela A. Arnold 2 4 2 0 1 0 0% 25% $2,055 $514 $1,028 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Pamela A. Arnold 0 0 0 0 0 0 0% 0% $0 $0 $0 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Pamela A. Arnold 0 0 0 0 0 0 0% 0% $0 $0 $0 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Pamela A. Arnold 0 0 0 0 0 0 0% 0% $0 $0 $0 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Pamela A. Arnold 0 0 0 0 0 0 0% 0% $0 $0 $0 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Pamela A. Arnold 7 26 3.71 2 3 1 7.69% 23.08% $10,536 $405 $1,505 0 0
Sam Semkin 6 18 3 0 1 1 0% 11.11% $12,180 $677 $2,030 0 0