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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
Valora A. Testerman 2 7 3.5 1 2 1 14.29% 57.14% $36,175 $5,168 $18,088 0 0
Michael L. Slager 2 5 2.5 0 1 1 0% 40% $12,840 $2,568 $6,420 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
Valora A. Testerman 3 12 4 0 2 4 0% 50% $25,900 $2,158 $8,633 0 0
Michael L. Slager 6 40 6.67 3 8 11 7.5% 55% $89,261 $2,232 $14,877 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
Valora A. Testerman 3 9 3 1 0 1 11.11% 22.22% $23,485 $2,609 $7,828 0 0
Michael L. Slager 5 31 6.2 1 5 6 3.23% 38.71% $51,804 $1,671 $10,361 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
Valora A. Testerman 3 15 5 0 0 2 0% 13.33% $20,470 $1,365 $6,823 0 0
Michael L. Slager 4 34 8.5 1 5 3 2.94% 26.47% $80,251 $2,360 $20,063 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
Valora A. Testerman 3 24 8 2 1 3 8.33% 25% $59,044 $2,460 $19,681 0 0
Michael L. Slager 4 27 6.75 0 0 3 0% 11.11% $29,254 $1,083 $7,314 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
Valora A. Testerman 8 35 4.38 1 2 7 2.86% 28.57% $67,033 $1,915 $8,379 0 0
Michael L. Slager 4 20 5 3 4 3 15% 50% $66,706 $3,335 $16,677 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
Valora A. Testerman 7 43 6.14 2 3 3 4.65% 18.6% $89,672 $2,085 $12,810 0 0
Michael L. Slager 2 17 8.5 2 0 3 11.76% 29.41% $37,581 $2,211 $18,791 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
Valora A. Testerman 8 61 7.63 7 3 8 11.48% 29.51% $166,544 $2,730 $20,818 0 0
Michael L. Slager 1 4 4 1 0 1 25% 50% $19,040 $4,760 $19,040 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
Valora A. Testerman 6 39 6.5 5 2 3 12.82% 25.64% $117,957 $3,025 $19,660 0 0
Michael L. Slager 1 2 2 0 1 0 0% 50% $5,925 $2,963 $5,925 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
Valora A. Testerman 22 149 6.77 11 11 14 7.38% 24.16% $259,949 $1,745 $11,816 0 1
Michael L. Slager 2 11 5.5 0 2 2 0% 36.36% $7,743 $704 $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
Valora A. Testerman 21 120 5.71 14 19 18 11.67% 42.5% $249,145 $2,076 $11,864 0 0
Michael L. Slager 3 17 5.67 2 2 1 11.76% 29.41% $20,734 $1,220 $6,911 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
Valora A. Testerman 48 227 4.73 22 20 26 9.69% 29.96% $649,283 $2,860 $13,527 1 6
Michael L. Slager 2 2 1 0 0 0 0% 0% $310 $155 $155 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
Valora A. Testerman 36 175 4.86 7 19 20 4% 26.29% $306,174 $1,750 $8,505 1 1
Michael L. Slager 11 33 3 4 5 1 12.12% 30.3% $69,965 $2,120 $6,360 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
Valora A. Testerman 31 143 4.61 12 12 10 8.39% 23.78% $194,559 $1,361 $6,276 0 1
Michael L. Slager 12 76 6.33 3 8 10 3.95% 27.63% $86,699 $1,141 $7,225 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
Valora A. Testerman 33 145 4.39 15 14 16 10.34% 31.03% $245,274 $1,692 $7,433 0 0
Michael L. Slager 6 38 6.33 5 3 4 13.16% 31.58% $71,341 $1,877 $11,890 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
Valora A. Testerman 37 189 5.11 14 12 7 7.41% 17.46% $145,987 $772 $3,946 0 0
Michael L. Slager 5 43 8.6 6 7 8 13.95% 48.84% $42,086 $979 $8,417 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
Valora A. Testerman 7 39 5.57 1 3 3 2.56% 17.95% $20,363 $522 $2,909 0 0
Michael L. Slager 4 28 7 2 5 0 7.14% 25% $17,805 $636 $4,451 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
Valora A. Testerman 7 57 8.14 6 5 8 10.53% 33.33% $28,660 $503 $4,094 0 0
Michael L. Slager 2 7 3.5 1 0 1 14.29% 28.57% $4,748 $678 $2,374 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
Valora A. Testerman 20 111 5.55 11 10 12 9.91% 29.73% $60,159 $542 $3,008 0 0
Michael L. Slager 13 41 3.15 2 2 3 4.88% 17.07% $15,943 $389 $1,226 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
Valora A. Testerman 37 200 5.41 9 14 15 4.5% 19% $76,960 $385 $2,080 0 0
Michael L. Slager 2 8 4 0 1 0 0% 12.5% $1,380 $173 $690 0 0