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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
Don Stemmans 1 2 2 0 1 0 0% 50% $2,400 $1,200 $2,400 0 0
Brian Kozak 2 2 1 0 1 0 0% 50% $11,730 $5,865 $5,865 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
Don Stemmans 6 10 1.67 1 0 0 10% 10% $11,700 $1,170 $1,950 0 0
Brian Kozak 1 1 1 0 0 1 0% 100% $1,182 $1,182 $1,182 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
Don Stemmans 4 6 1.5 0 0 1 0% 16.67% $1,870 $312 $468 0 0
Brian Kozak 1 3 3 0 0 0 0% 0% $1,154 $385 $1,154 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
Don Stemmans 4 14 3.5 0 1 0 0% 7.14% $4,300 $307 $1,075 0 0
Brian Kozak 2 8 4 1 3 0 12.5% 50% $21,373 $2,672 $10,687 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
Don Stemmans 2 9 4.5 2 0 0 22.22% 22.22% $30,120 $3,347 $15,060 0 0
Brian Kozak 2 4 2 0 0 1 0% 25% $7,290 $1,823 $3,645 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
Don Stemmans 4 28 7 1 3 1 3.57% 17.86% $15,225 $544 $3,806 0 0
Brian Kozak 2 4 2 0 0 1 0% 25% $5,970 $1,493 $2,985 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
Don Stemmans 5 25 5 4 1 3 16% 32% $30,845 $1,234 $6,169 0 0
Brian Kozak 2 9 4.5 2 3 0 22.22% 55.56% $59,267 $6,585 $29,634 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
Don Stemmans 7 20 2.86 1 0 0 5% 5% $5,565 $278 $795 0 0
Brian Kozak 4 8 2 0 0 1 0% 12.5% $6,806 $851 $1,702 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
Don Stemmans 6 21 3.5 1 3 1 4.76% 23.81% $12,735 $606 $2,123 0 0
Brian Kozak 3 6 2 1 0 0 16.67% 16.67% $5,570 $928 $1,857 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
Don Stemmans 8 30 3.75 0 2 0 0% 6.67% $7,620 $254 $953 0 0
Brian Kozak 2 8 4 1 2 2 12.5% 62.5% $15,369 $1,921 $7,685 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
Don Stemmans 8 29 3.63 0 0 0 0% 0% $3,627 $125 $453 0 0
Brian Kozak 1 3 3 1 1 0 33.33% 66.67% $4,606 $1,535 $4,606 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
Don Stemmans 13 38 2.92 2 2 1 5.26% 13.16% $34,674 $912 $2,667 0 0
Brian Kozak 3 3 1 0 0 1 0% 33.33% $3,199 $1,066 $1,066 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
Don Stemmans 20 88 4.4 4 2 10 4.55% 18.18% $80,802 $918 $4,040 0 0
Brian Kozak 2 7 3.5 1 0 4 14.29% 71.43% $9,614 $1,373 $4,807 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
Don Stemmans 25 80 3.2 4 4 8 5% 20% $80,963 $1,012 $3,239 0 0
Brian Kozak 2 7 3.5 1 1 3 14.29% 71.43% $6,895 $985 $3,448 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
Don Stemmans 16 77 4.81 7 9 9 9.09% 32.47% $116,681 $1,515 $7,293 0 0
Brian Kozak 2 2 1 1 0 0 50% 50% $2,124 $1,062 $1,062 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
Don Stemmans 12 57 4.75 7 4 1 12.28% 21.05% $48,445 $850 $4,037 0 0
Brian Kozak 1 2 2 1 1 0 50% 100% $1,640 $820 $1,640 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
Don Stemmans 6 45 7.5 2 4 2 4.44% 17.78% $10,148 $226 $1,691 0 0
Brian Kozak 4 10 2.5 0 1 0 0% 10% $2,612 $261 $653 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
Don Stemmans 11 44 4 6 4 4 13.64% 31.82% $40,664 $924 $3,697 0 0
Brian Kozak 7 23 3.29 2 0 4 8.7% 26.09% $17,318 $753 $2,474 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
Don Stemmans 12 68 5.67 5 6 11 7.35% 32.35% $30,127 $443 $2,511 0 0
Brian Kozak 1 1 1 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
Don Stemmans 13 41 3.15 1 1 2 2.44% 9.76% $3,886 $95 $299 0 0
Brian Kozak 1 4 4 3 0 0 75% 75% $8,886 $2,222 $8,886 0 0