Skip to:

OwnerView is growing. Help introduce others to ownership.
Visit the
New Site

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 9 82 9.11 5 9 6 6.1% 24.39% $117,153 $1,429 $13,017 0 0
Kenneth W. Marshall 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 22 148 6.73 9 23 20 6.08% 35.14% $160,930 $1,087 $7,315 0 0
Kenneth W. Marshall 7 10 1.43 0 0 2 0% 20% $7,173 $717 $1,025 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
Kenneth W. Marshall 36 124 3.44 20 24 22 16.13% 53.23% $362,867 $2,926 $10,080 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
Kenneth W. Marshall 44 157 3.57 31 31 24 19.75% 54.78% $446,808 $2,846 $10,155 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
Kenneth W. Marshall 21 100 4.76 21 18 13 21% 52% $219,707 $2,197 $10,462 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
Kenneth W. Marshall 33 83 2.52 21 13 13 25.3% 56.63% $352,685 $4,249 $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
Donna Bireta 21 188 8.95 23 22 28 12.23% 38.83% $255,047 $1,357 $12,145 0 0
Kenneth W. Marshall 27 88 3.26 21 17 11 23.86% 55.68% $261,217 $2,968 $9,675 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
Kenneth W. Marshall 14 24 1.71 2 3 1 8.33% 25% $51,570 $2,149 $3,684 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
Kenneth W. Marshall 19 49 2.58 4 8 13 8.16% 51.02% $80,990 $1,653 $4,263 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
Kenneth W. Marshall 13 51 3.92 7 11 7 13.73% 49.02% $147,688 $2,896 $11,361 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
Kenneth W. Marshall 13 64 4.92 15 3 7 23.44% 39.06% $169,857 $2,654 $13,066 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
Donna Bireta 38 260 6.84 24 32 27 9.23% 31.92% $336,926 $1,296 $8,866 0 0
Kenneth W. Marshall 16 42 2.63 7 8 5 16.67% 47.62% $159,138 $3,789 $9,946 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 51 256 5.02 26 32 45 10.16% 40.23% $379,217 $1,481 $7,436 0 1
Kenneth W. Marshall 18 70 3.89 13 6 7 18.57% 37.14% $125,491 $1,793 $6,972 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
Kenneth W. Marshall 12 68 5.67 6 10 9 8.82% 36.76% $89,967 $1,323 $7,497 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
Kenneth W. Marshall 28 100 3.57 17 13 12 17% 42% $218,935 $2,189 $7,819 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 16 133 8.31 22 20 18 16.54% 45.11% $333,218 $2,505 $20,826 0 2
Kenneth W. Marshall 4 13 3.25 1 3 2 7.69% 46.15% $9,291 $715 $2,323 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
Kenneth W. Marshall 14 34 2.43 5 3 6 14.71% 41.18% $57,136 $1,680 $4,081 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 9 108 12 17 12 19 15.74% 44.44% $122,720 $1,136 $13,636 0 0
Kenneth W. Marshall 4 18 4.5 3 2 1 16.67% 33.33% $15,344 $852 $3,836 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 81 10.13 13 12 9 16.05% 41.98% $102,024 $1,260 $12,753 0 0
Kenneth W. Marshall 9 28 3.11 3 4 1 10.71% 28.57% $19,476 $696 $2,164 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
Kenneth W. Marshall 25 116 4.64 17 13 17 14.66% 40.52% $151,774 $1,308 $6,071 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
Kenneth W. Marshall 23 107 4.65 21 18 17 19.63% 52.34% $181,329 $1,695 $7,884 0 2

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
Kenneth W. Marshall 21 86 4.1 16 7 15 18.6% 44.19% $73,444 $854 $3,497 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
Kenneth W. Marshall 17 83 4.88 10 9 12 12.05% 37.35% $73,005 $880 $4,294 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 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Kenneth W. Marshall 21 79 3.76 10 3 13 12.66% 32.91% $41,580 $526 $1,980 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
Kenneth W. Marshall 20 65 3.25 9 3 8 13.85% 30.77% $47,406 $729 $2,370 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
Kenneth W. Marshall 16 46 2.88 1 9 9 2.17% 41.3% $13,464 $293 $842 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
Kenneth W. Marshall 6 20 3.33 6 0 2 30% 40% $17,860 $893 $2,977 0 0