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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
Katharine M. Voss 13 65 5 6 7 9 9.23% 33.85% $255,765 $3,935 $19,674 0 0
Harley Kowalsky 5 11 2.2 0 1 0 0% 9.09% $3,088 $281 $618 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
Katharine M. Voss 13 47 3.62 6 7 6 12.77% 40.43% $253,305 $5,389 $19,485 0 0
Harley Kowalsky 6 21 3.5 3 2 2 14.29% 33.33% $18,955 $903 $3,159 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
Katharine M. Voss 8 34 4.25 3 5 6 8.82% 41.18% $173,980 $5,117 $21,748 0 0
Harley Kowalsky 6 14 2.33 3 2 2 21.43% 50% $22,306 $1,593 $3,718 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
Katharine M. Voss 14 59 4.21 5 5 8 8.47% 30.51% $96,740 $1,640 $6,910 0 0
Harley Kowalsky 3 7 2.33 0 0 2 0% 28.57% $2,424 $346 $808 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
Katharine M. Voss 8 38 4.75 6 4 1 15.79% 28.95% $97,110 $2,556 $12,139 0 0
Harley Kowalsky 25 89 3.56 9 7 9 10.11% 28.09% $59,867 $673 $2,395 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
Katharine M. Voss 10 72 7.2 11 11 10 15.28% 44.44% $234,910 $3,263 $23,491 0 0
Harley Kowalsky 11 39 3.55 6 1 3 15.38% 25.64% $36,626 $939 $3,330 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
Katharine M. Voss 11 69 6.27 5 16 7 7.25% 40.58% $168,700 $2,445 $15,336 0 0
Harley Kowalsky 18 44 2.44 7 2 5 15.91% 31.82% $48,471 $1,102 $2,693 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
Katharine M. Voss 23 84 3.65 8 11 10 9.52% 34.52% $195,271 $2,325 $8,490 0 0
Harley Kowalsky 12 66 5.5 6 4 6 9.09% 24.24% $54,406 $824 $4,534 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
Katharine M. Voss 13 71 5.46 7 6 13 9.86% 36.62% $296,152 $4,171 $22,781 0 3
Harley Kowalsky 13 48 3.69 2 7 0 4.17% 18.75% $33,896 $706 $2,607 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
Katharine M. Voss 11 63 5.73 4 11 8 6.35% 36.51% $139,338 $2,212 $12,667 0 0
Harley Kowalsky 1 1 1 1 0 0 100% 100% $5,325 $5,325 $5,325 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
Katharine M. Voss 28 105 3.75 12 9 11 11.43% 30.48% $262,076 $2,496 $9,360 0 0
Harley Kowalsky 10 61 6.1 1 5 2 1.64% 13.11% $19,754 $324 $1,975 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
Katharine M. Voss 31 138 4.45 18 21 19 13.04% 42.03% $433,095 $3,138 $13,971 0 0
Harley Kowalsky 9 63 7 7 8 10 11.11% 39.68% $50,175 $796 $5,575 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
Katharine M. Voss 36 140 3.89 17 17 15 12.14% 35% $370,749 $2,648 $10,299 0 0
Harley Kowalsky 3 19 6.33 0 3 2 0% 26.32% $8,685 $457 $2,895 0 0