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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. 3.31 13.64% 40.9% $5,415 $17,925
Larry D. Donlin 10 61 6.1 3 11 9 4.92% 37.7% $68,945 $1,130 $6,895 0 0
Harley Kowalsky 5 9 1.8 0 1 0 0% 11.11% $3,088 $343 $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. 3.31 13.64% 40.9% $5,415 $17,925
Larry D. Donlin 16 71 4.44 10 6 7 14.08% 32.39% $148,511 $2,092 $9,282 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. 3.31 13.64% 40.9% $5,415 $17,925
Larry D. Donlin 18 58 3.22 8 5 7 13.79% 34.48% $149,132 $2,571 $8,285 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. 3.31 13.64% 40.9% $5,415 $17,925
Larry D. Donlin 29 137 4.72 16 14 21 11.68% 37.23% $159,338 $1,163 $5,494 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. 3.31 13.64% 40.9% $5,415 $17,925
Larry D. Donlin 38 195 5.13 22 28 23 11.28% 37.44% $229,619 $1,178 $6,043 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. 3.31 13.64% 40.9% $5,415 $17,925
Larry D. Donlin 37 222 6 37 28 39 16.67% 46.85% $338,281 $1,524 $9,143 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. 3.31 13.64% 40.9% $5,415 $17,925
Larry D. Donlin 39 185 4.74 24 22 27 12.97% 39.46% $225,068 $1,217 $5,771 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. 3.31 13.64% 40.9% $5,415 $17,925
Larry D. Donlin 33 196 5.94 27 45 38 13.78% 56.12% $329,360 $1,680 $9,981 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. 3.31 13.64% 40.9% $5,415 $17,925
Larry D. Donlin 30 130 4.33 18 15 12 13.85% 34.62% $254,107 $1,955 $8,470 0 0
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. 3.31 13.64% 40.9% $5,415 $17,925
Larry D. Donlin 31 166 5.35 22 20 21 13.25% 37.95% $211,593 $1,275 $6,826 0 2
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. 3.31 13.64% 40.9% $5,415 $17,925
Larry D. Donlin 14 85 6.07 8 6 11 9.41% 29.41% $61,909 $728 $4,422 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. 3.31 13.64% 40.9% $5,415 $17,925
Larry D. Donlin 23 100 4.35 9 11 11 9% 31% $156,578 $1,566 $6,808 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. 3.31 13.64% 40.9% $5,415 $17,925
Larry D. Donlin 30 179 5.97 18 17 25 10.06% 33.52% $213,073 $1,190 $7,102 0 0
Harley Kowalsky 3 19 6.33 0 3 2 0% 26.32% $8,685 $457 $2,895 0 0