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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
Donna Bireta 6 52 8.67 4 2 6 7.69% 23.08% $105,323 $2,025 $17,554 0 0
Miles H. Heinen 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
Donna Bireta 9 82 9.11 5 9 6 6.1% 24.39% $117,153 $1,429 $13,017 0 0
Miles H. Heinen 3 6 2 1 0 0 16.67% 16.67% $6,244 $1,041 $2,081 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
Donna Bireta 12 78 6.5 5 11 11 6.41% 34.62% $123,074 $1,578 $10,256 0 0
Miles H. Heinen 6 25 4.17 1 3 0 4% 16% $24,265 $971 $4,044 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
Donna Bireta 13 100 7.69 10 24 17 10% 51% $247,312 $2,473 $19,024 0 0
Miles H. Heinen 2 3 1.5 0 0 0 0% 0% $518 $173 $259 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
Donna Bireta 17 67 3.94 2 6 10 2.99% 26.87% $51,947 $775 $3,056 0 0
Miles H. Heinen 7 20 2.86 3 0 0 15% 15% $58,268 $2,913 $8,324 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
Donna Bireta 22 148 6.73 9 23 20 6.08% 35.14% $160,930 $1,087 $7,315 0 0
Miles H. Heinen 12 44 3.67 3 0 3 6.82% 13.64% $50,585 $1,150 $4,215 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
Donna Bireta 29 216 7.45 14 20 31 6.48% 30.09% $199,110 $922 $6,866 0 0
Miles H. Heinen 17 74 4.35 2 3 12 2.7% 22.97% $71,148 $961 $4,185 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
Donna Bireta 30 202 6.73 18 29 20 8.91% 33.17% $225,682 $1,117 $7,523 0 0
Miles H. Heinen 16 62 3.88 5 6 5 8.06% 25.81% $104,160 $1,680 $6,510 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
Donna Bireta 31 252 8.13 16 24 37 6.35% 30.56% $258,751 $1,027 $8,347 0 0
Miles H. Heinen 11 71 6.45 7 5 13 9.86% 35.21% $92,242 $1,299 $8,386 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
Donna Bireta 34 260 7.65 24 26 33 9.23% 31.92% $281,642 $1,083 $8,284 0 0
Miles H. Heinen 21 97 4.62 9 12 8 9.28% 29.9% $117,512 $1,211 $5,596 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
Donna Bireta 21 188 8.95 23 22 28 12.23% 38.83% $255,047 $1,357 $12,145 0 0
Miles H. Heinen 14 63 4.5 4 7 8 6.35% 30.16% $50,188 $797 $3,585 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
Donna Bireta 37 248 6.7 32 27 35 12.9% 37.9% $353,112 $1,424 $9,544 0 0
Miles H. Heinen 3 3 1 0 0 0 0% 0% $300 $100 $100 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
Donna Bireta 32 210 6.56 20 18 23 9.52% 29.05% $239,430 $1,140 $7,482 0 0
Miles H. Heinen 2 7 3.5 0 0 0 0% 0% $603 $86 $302 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
Donna Bireta 29 214 7.38 18 14 26 8.41% 27.1% $258,618 $1,208 $8,918 0 1
Miles H. Heinen 5 24 4.8 1 1 3 4.17% 20.83% $7,543 $314 $1,509 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
Donna Bireta 35 223 6.37 27 18 38 12.11% 37.22% $553,363 $2,481 $15,810 0 2
Miles H. Heinen 1 1 1 0 0 0 0% 0% $90 $90 $90 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
Donna Bireta 13 95 7.31 13 11 16 13.68% 42.11% $120,579 $1,269 $9,275 0 0
Miles H. Heinen 1 1 1 0 0 0 0% 0% $110 $110 $110 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
Donna Bireta 9 108 12 17 12 19 15.74% 44.44% $122,720 $1,136 $13,636 0 0
Miles H. Heinen 8 36 4.5 2 3 4 5.56% 25% $28,058 $779 $3,507 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
Donna Bireta 8 109 13.63 9 13 15 8.26% 33.94% $74,775 $686 $9,347 0 0
Miles H. Heinen 5 39 7.8 6 2 8 15.38% 41.03% $33,902 $869 $6,780 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
Donna Bireta 7 73 10.43 4 8 13 5.48% 34.25% $49,406 $677 $7,058 0 0
Miles H. Heinen 4 5 1.25 0 0 0 0% 0% $354 $71 $89 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
Donna Bireta 2 12 6 6 3 1 50% 83.33% $20,761 $1,730 $10,381 0 0
Miles H. Heinen 3 11 3.67 1 0 1 9.09% 18.18% $4,892 $445 $1,631 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
Donna Bireta 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Miles H. Heinen 13 35 2.69 7 1 4 20% 34.29% $41,109 $1,175 $3,162 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
Donna Bireta 1 2 2 1 0 0 50% 50% $1,860 $930 $1,860 0 0
Miles H. Heinen 2 8 4 1 1 1 12.5% 37.5% $4,180 $523 $2,090 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
Donna Bireta 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Miles H. Heinen 2 5 2.5 0 0 0 0% 0% $220 $44 $110 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
Donna Bireta 12 84 7 7 11 13 8.33% 36.9% $64,836 $772 $5,403 0 0
Miles H. Heinen 1 2 2 0 0 0 0% 0% $0 $0 $0 0 0