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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 4 13 3.25 0 1 3 0% 30.77% $17,334 $1,333 $4,334 0 0
Bruce Dillenbeck 10 33 3.3 0 2 5 0% 21.21% $17,963 $544 $1,796 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 6 52 8.67 4 2 6 7.69% 23.08% $105,323 $2,025 $17,554 0 0
Bruce Dillenbeck 9 28 3.11 3 1 3 10.71% 25% $36,914 $1,318 $4,102 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 11 58 5.27 4 7 12 6.9% 39.66% $111,458 $1,922 $10,133 0 0
Bruce Dillenbeck 7 14 2 2 1 1 14.29% 28.57% $15,175 $1,084 $2,168 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
Bruce Dillenbeck 3 11 3.67 0 1 1 0% 18.18% $6,525 $593 $2,175 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
Bruce Dillenbeck 8 23 2.88 0 1 3 0% 17.39% $12,761 $555 $1,595 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
Bruce Dillenbeck 19 82 4.32 8 9 7 9.76% 29.27% $99,765 $1,217 $5,251 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
Bruce Dillenbeck 12 43 3.58 5 6 3 11.63% 32.56% $31,283 $728 $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
Donna Bireta 22 148 6.73 9 23 20 6.08% 35.14% $160,930 $1,087 $7,315 0 0
Bruce Dillenbeck 22 93 4.23 10 9 10 10.75% 31.18% $85,899 $924 $3,905 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
Bruce Dillenbeck 10 88 8.8 11 13 12 12.5% 40.91% $100,359 $1,140 $10,036 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
Bruce Dillenbeck 13 91 7 9 5 10 9.89% 26.37% $83,495 $918 $6,423 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
Bruce Dillenbeck 16 107 6.69 8 15 23 7.48% 42.99% $120,438 $1,126 $7,527 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
Bruce Dillenbeck 14 91 6.5 17 11 20 18.68% 52.75% $235,069 $2,583 $16,791 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
Donna Bireta 21 188 8.95 23 22 28 12.23% 38.83% $255,047 $1,357 $12,145 0 0
Bruce Dillenbeck 10 73 7.3 1 10 7 1.37% 24.66% $53,854 $738 $5,385 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
Bruce Dillenbeck 14 75 5.36 4 1 7 5.33% 16% $84,633 $1,128 $6,045 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 33 222 6.73 20 23 29 9.01% 32.43% $234,272 $1,055 $7,099 0 0
Bruce Dillenbeck 12 83 6.92 8 7 13 9.64% 33.73% $170,924 $2,059 $14,244 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
Bruce Dillenbeck 16 91 5.69 3 3 8 3.3% 15.38% $62,976 $692 $3,936 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 33 183 5.55 18 25 22 9.84% 35.52% $239,526 $1,309 $7,258 0 0
Bruce Dillenbeck 21 168 8 7 9 25 4.17% 24.4% $194,371 $1,157 $9,256 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 38 260 6.84 24 32 27 9.23% 31.92% $336,926 $1,296 $8,866 0 0
Bruce Dillenbeck 32 163 5.09 8 18 23 4.91% 30.06% $163,007 $1,000 $5,094 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 51 256 5.02 26 32 45 10.16% 40.23% $379,217 $1,481 $7,436 0 1
Bruce Dillenbeck 9 53 5.89 3 8 5 5.66% 30.19% $88,814 $1,676 $9,868 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 46 232 5.04 30 34 25 12.93% 38.36% $381,813 $1,646 $8,300 0 0
Bruce Dillenbeck 10 61 6.1 1 6 5 1.64% 19.67% $57,988 $951 $5,799 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 27 191 7.07 17 17 35 8.9% 36.13% $251,299 $1,316 $9,307 0 0
Bruce Dillenbeck 5 28 5.6 4 3 3 14.29% 35.71% $34,487 $1,232 $6,897 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
Bruce Dillenbeck 4 14 3.5 1 0 0 7.14% 7.14% $14,005 $1,000 $3,501 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
Bruce Dillenbeck 2 9 4.5 0 0 0 0% 0% $1,014 $113 $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 7 73 10.43 4 8 13 5.48% 34.25% $49,406 $677 $7,058 0 0
Bruce Dillenbeck 3 14 4.67 1 0 1 7.14% 14.29% $6,098 $436 $2,033 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
Bruce Dillenbeck 2 14 7 1 2 3 7.14% 42.86% $19,179 $1,370 $9,590 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 3 18 6 4 4 2 22.22% 55.56% $13,133 $730 $4,378 0 0
Bruce Dillenbeck 2 5 2.5 0 0 0 0% 0% $1,913 $383 $957 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
Bruce Dillenbeck 4 24 6 2 4 1 8.33% 29.17% $19,261 $803 $4,815 0 0