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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
Katherine Ritvo 9 64 7.11 7 8 11 10.94% 40.63% $183,760 $2,871 $20,418 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
Katherine Ritvo 31 116 3.74 10 16 17 8.62% 37.07% $380,109 $3,277 $12,262 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
Katherine Ritvo 18 64 3.56 14 12 4 21.88% 46.88% $416,495 $6,508 $23,139 1 2
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
Katherine Ritvo 14 56 4 5 7 3 8.93% 26.79% $193,190 $3,450 $13,799 0 1
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
Katherine Ritvo 22 51 2.32 5 6 8 9.8% 37.25% $154,046 $3,021 $7,002 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
Katherine Ritvo 19 78 4.11 12 4 5 15.38% 26.92% $281,458 $3,608 $14,814 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
Katherine Ritvo 21 64 3.05 8 10 3 12.5% 32.81% $732,957 $11,452 $34,903 0 1
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
Katherine Ritvo 9 40 4.44 9 6 7 22.5% 55% $3,210,070 $80,252 $356,674 2 2
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
Katherine Ritvo 18 48 2.67 4 8 7 8.33% 39.58% $1,867,564 $38,908 $103,754 2 3
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
Katherine Ritvo 32 107 3.34 5 8 16 4.67% 27.1% $695,127 $6,497 $21,723 1 1
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
Katherine Ritvo 28 53 1.89 5 14 3 9.43% 41.51% $206,435 $3,895 $7,373 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
Katherine Ritvo 4 4 1 0 1 0 0% 25% $4,370 $1,093 $1,093 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
Katherine Ritvo 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
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
Katherine Ritvo 0 0 0 0 0 0 0% 0% $0 $0 $0 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
Katherine Ritvo 0 0 0 0 0 0 0% 0% $0 $0 $0 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
Katherine Ritvo 11 36 3.27 6 3 6 16.67% 41.67% $66,445 $1,846 $6,040 0 0
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
Katherine Ritvo 0 0 0 0 0 0 0% 0% $0 $0 $0 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
Katherine Ritvo 0 0 0 0 0 0 0% 0% $0 $0 $0 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
Katherine Ritvo 0 0 0 0 0 0 0% 0% $0 $0 $0 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
Katherine Ritvo 0 0 0 0 0 0 0% 0% $0 $0 $0 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
Katherine Ritvo 24 105 4.38 13 17 11 12.38% 39.05% $229,834 $2,189 $9,576 0 2
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
Katherine Ritvo 24 81 3.38 12 13 6 14.81% 38.27% $171,739 $2,120 $7,156 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
Katherine Ritvo 31 121 3.9 8 14 21 6.61% 35.54% $125,393 $1,036 $4,045 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
Katherine Ritvo 37 187 5.05 16 23 12 8.56% 27.27% $209,935 $1,123 $5,674 0 1
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
Katherine Ritvo 35 189 5.4 25 22 24 13.23% 37.57% $370,884 $1,962 $10,597 0 2
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
Katherine Ritvo 40 262 6.55 25 30 17 9.54% 27.48% $344,024 $1,313 $8,601 0 2
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
Katherine Ritvo 39 224 5.74 19 17 30 8.48% 29.46% $182,168 $813 $4,671 0 0
Kenneth W. Marshall 6 20 3.33 6 0 2 30% 40% $17,860 $893 $2,977 0 0