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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 5 2.5 1 2 0 20% 60% $29,570 $5,914 $14,785 0 0
Kenneth M. Cox 15 55 3.67 8 11 10 14.55% 52.73% $306,770 $5,578 $20,451 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 3 12 4 0 2 4 0% 50% $25,900 $2,158 $8,633 0 0
Kenneth M. Cox 19 105 5.53 11 9 17 10.48% 35.24% $474,951 $4,523 $24,997 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
Kenneth M. Cox 20 80 4 9 12 9 11.25% 37.5% $395,404 $4,943 $19,770 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
Valora A. Testerman 3 15 5 0 0 2 0% 13.33% $20,470 $1,365 $6,823 0 0
Kenneth M. Cox 23 107 4.65 8 18 17 7.48% 40.19% $549,510 $5,136 $23,892 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
Valora A. Testerman 3 24 8 2 1 3 8.33% 25% $59,044 $2,460 $19,681 0 0
Kenneth M. Cox 19 95 5 14 17 12 14.74% 45.26% $523,861 $5,514 $27,572 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
Kenneth M. Cox 12 50 4.17 9 4 5 18% 36% $279,280 $5,586 $23,273 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
Valora A. Testerman 7 43 6.14 2 3 3 4.65% 18.6% $89,672 $2,085 $12,810 0 0
Kenneth M. Cox 6 32 5.33 7 3 1 21.88% 34.38% $177,020 $5,532 $29,503 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
Valora A. Testerman 8 61 7.63 7 3 8 11.48% 29.51% $166,544 $2,730 $20,818 0 0
Kenneth M. Cox 13 69 5.31 11 5 8 15.94% 34.78% $270,704 $3,923 $20,823 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
Kenneth M. Cox 17 63 3.71 7 8 9 11.11% 38.1% $177,483 $2,817 $10,440 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 25 8.33 2 2 3 8% 28% $49,870 $1,995 $16,623 0 0
Kenneth M. Cox 8 50 6.25 6 4 6 12% 32% $145,795 $2,916 $18,224 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
Valora A. Testerman 7 33 4.71 2 1 1 6.06% 12.12% $38,360 $1,162 $5,480 0 0
Kenneth M. Cox 12 61 5.08 4 6 7 6.56% 27.87% $130,578 $2,141 $10,882 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 9 54 6 1 5 7 1.85% 24.07% $66,924 $1,239 $7,436 0 0
Kenneth M. Cox 18 106 5.89 10 10 15 9.43% 33.02% $268,278 $2,531 $14,904 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 11 72 6.55 3 8 6 4.17% 23.61% $119,102 $1,654 $10,827 0 0
Kenneth M. Cox 22 97 4.41 7 12 12 7.22% 31.96% $209,684 $2,162 $9,531 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 17 99 5.82 9 6 6 9.09% 21.21% $179,613 $1,814 $10,565 0 0
Kenneth M. Cox 14 71 5.07 9 12 9 12.68% 42.25% $324,624 $4,572 $23,187 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 20 133 6.65 7 12 12 5.26% 23.31% $194,334 $1,461 $9,717 0 0
Kenneth M. Cox 9 45 5 8 5 5 17.78% 40% $223,424 $4,965 $24,825 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
Kenneth M. Cox 8 62 7.75 7 12 8 11.29% 43.55% $184,484 $2,976 $23,061 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
Kenneth M. Cox 8 38 4.75 9 6 1 23.68% 42.11% $178,464 $4,696 $22,308 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
Valora A. Testerman 19 105 5.53 10 15 17 9.52% 40% $292,917 $2,790 $15,417 0 0
Kenneth M. Cox 8 57 7.13 3 11 9 5.26% 40.35% $100,870 $1,770 $12,609 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 23 102 4.43 9 7 13 8.82% 28.43% $223,568 $2,192 $9,720 0 0
Kenneth M. Cox 16 100 6.25 13 14 15 13% 42% $174,329 $1,743 $10,896 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 24 115 4.79 5 17 12 4.35% 29.57% $173,320 $1,507 $7,222 0 0
Kenneth M. Cox 24 125 5.21 9 17 15 7.2% 32.8% $203,121 $1,625 $8,463 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 23 93 4.04 6 6 5 6.45% 18.28% $176,290 $1,896 $7,665 0 0
Kenneth M. Cox 38 142 3.74 16 20 23 11.27% 41.55% $336,360 $2,369 $8,852 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 39 149 3.82 7 17 15 4.7% 26.17% $180,635 $1,212 $4,632 0 0
Kenneth M. Cox 103 365 3.54 72 48 41 19.73% 44.11% $1,088,629 $2,983 $10,569 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 43 196 4.56 15 15 29 7.65% 30.1% $265,454 $1,354 $6,173 0 0
Kenneth M. Cox 83 242 2.92 37 36 31 15.29% 42.98% $612,796 $2,532 $7,383 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
Valora A. Testerman 45 215 4.78 18 16 28 8.37% 28.84% $403,101 $1,875 $8,958 0 2
Kenneth M. Cox 45 174 3.87 25 34 20 14.37% 45.4% $394,247 $2,266 $8,761 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 55 246 4.47 20 20 25 8.13% 26.42% $377,171 $1,533 $6,858 0 0
Kenneth M. Cox 33 136 4.12 20 25 22 14.71% 49.26% $360,450 $2,650 $10,923 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
Kenneth M. Cox 10 28 2.8 9 4 3 32.14% 57.14% $122,710 $4,383 $12,271 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
Valora A. Testerman 35 129 3.69 10 4 10 7.75% 18.6% $102,251 $793 $2,921 0 0
Kenneth M. Cox 4 30 7.5 2 1 0 6.67% 10% $11,024 $367 $2,756 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
Kenneth M. Cox 1 15 15 1 2 3 6.67% 40% $10,845 $723 $10,845 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
Kenneth M. Cox 6 51 8.5 4 5 2 7.84% 21.57% $39,762 $780 $6,627 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 17 93 5.47 3 10 8 3.23% 22.58% $40,615 $437 $2,389 0 0
Kenneth M. Cox 6 32 5.33 5 2 7 15.63% 43.75% $156,344 $4,886 $26,057 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
Kenneth M. Cox 9 46 5.11 6 10 4 13.04% 43.48% $110,566 $2,404 $12,285 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
Kenneth M. Cox 9 62 6.89 8 4 7 12.9% 30.65% $146,408 $2,361 $16,268 0 2