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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
Katharine M. Voss 13 65 5 6 7 9 9.23% 33.85% $255,765 $3,935 $19,674 0 0
Renee D. Kierans 2 21 10.5 2 3 3 9.52% 38.1% $78,506 $3,738 $39,253 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
Katharine M. Voss 13 47 3.62 6 7 6 12.77% 40.43% $253,305 $5,389 $19,485 0 0
Renee D. Kierans 5 35 7 3 2 6 8.57% 31.43% $89,700 $2,563 $17,940 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
Katharine M. Voss 8 34 4.25 3 5 6 8.82% 41.18% $173,980 $5,117 $21,748 0 0
Renee D. Kierans 3 26 8.67 4 1 3 15.38% 30.77% $83,304 $3,204 $27,768 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
Katharine M. Voss 8 32 4 5 3 6 15.63% 43.75% $200,035 $6,251 $25,004 0 0
Renee D. Kierans 3 28 9.33 2 2 2 7.14% 21.43% $77,138 $2,755 $25,713 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
Katharine M. Voss 9 30 3.33 3 4 4 10% 36.67% $131,936 $4,398 $14,660 0 0
Renee D. Kierans 5 27 5.4 1 3 4 3.7% 29.63% $46,158 $1,710 $9,232 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
Katharine M. Voss 9 30 3.33 3 4 2 10% 30% $145,587 $4,853 $16,176 0 0
Renee D. Kierans 6 33 5.5 3 1 5 9.09% 27.27% $137,736 $4,174 $22,956 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
Katharine M. Voss 14 63 4.5 9 5 12 14.29% 41.27% $457,882 $7,268 $32,706 0 3
Renee D. Kierans 6 47 7.83 8 5 5 17.02% 38.3% $179,436 $3,818 $29,906 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
Katharine M. Voss 14 72 5.14 9 11 17 12.5% 51.39% $429,470 $5,965 $30,676 0 1
Renee D. Kierans 6 31 5.17 3 5 7 9.68% 48.39% $100,304 $3,236 $16,717 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
Katharine M. Voss 10 24 2.4 3 3 6 12.5% 50% $138,403 $5,767 $13,840 0 0
Renee D. Kierans 3 17 5.67 0 4 4 0% 47.06% $32,947 $1,938 $10,982 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
Katharine M. Voss 7 46 6.57 9 10 4 19.57% 50% $291,498 $6,337 $41,643 0 0
Renee D. Kierans 2 9 4.5 2 0 1 22.22% 33.33% $22,145 $2,461 $11,073 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
Katharine M. Voss 16 69 4.31 10 11 12 14.49% 47.83% $366,616 $5,313 $22,914 0 1
Renee D. Kierans 4 25 6.25 0 2 3 0% 20% $27,141 $1,086 $6,785 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
Katharine M. Voss 13 75 5.77 10 8 10 13.33% 37.33% $240,823 $3,211 $18,525 0 0
Renee D. Kierans 3 15 5 0 1 1 0% 13.33% $9,921 $661 $3,307 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
Katharine M. Voss 17 87 5.12 9 17 14 10.34% 45.98% $299,235 $3,439 $17,602 0 0
Renee D. Kierans 2 20 10 2 3 7 10% 60% $55,585 $2,779 $27,793 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
Katharine M. Voss 15 84 5.6 13 11 13 15.48% 44.05% $269,163 $3,204 $17,944 0 0
Renee D. Kierans 2 7 3.5 0 0 3 0% 42.86% $10,008 $1,430 $5,004 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
Katharine M. Voss 14 59 4.21 5 5 8 8.47% 30.51% $96,740 $1,640 $6,910 0 0
Renee D. Kierans 2 4 2 1 0 0 25% 25% $11,851 $2,963 $5,926 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
Katharine M. Voss 8 38 4.75 6 4 1 15.79% 28.95% $97,110 $2,556 $12,139 0 0
Renee D. Kierans 2 4 2 0 0 0 0% 0% $2,979 $745 $1,490 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
Katharine M. Voss 10 72 7.2 11 11 10 15.28% 44.44% $234,910 $3,263 $23,491 0 0
Renee D. Kierans 1 2 2 0 1 0 0% 50% $14,592 $7,296 $14,592 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
Katharine M. Voss 11 69 6.27 5 16 7 7.25% 40.58% $168,700 $2,445 $15,336 0 0
Renee D. Kierans 1 2 2 0 1 0 0% 50% $10,391 $5,196 $10,391 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
Katharine M. Voss 23 84 3.65 8 11 10 9.52% 34.52% $195,271 $2,325 $8,490 0 0
Renee D. Kierans 2 7 3.5 0 0 0 0% 0% $6,000 $857 $3,000 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
Katharine M. Voss 13 71 5.46 7 6 13 9.86% 36.62% $296,152 $4,171 $22,781 0 3
Renee D. Kierans 1 5 5 0 0 0 0% 0% $3,074 $615 $3,074 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
Katharine M. Voss 12 60 5 12 7 9 20% 46.67% $245,727 $4,095 $20,477 0 0
Renee D. Kierans 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
Katharine M. Voss 28 105 3.75 12 9 11 11.43% 30.48% $262,076 $2,496 $9,360 0 0
Renee D. Kierans 1 5 5 1 1 1 20% 60% $20,530 $4,106 $20,530 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
Katharine M. Voss 36 140 3.89 17 17 15 12.14% 35% $370,749 $2,648 $10,299 0 0
Renee D. Kierans 1 1 1 0 0 0 0% 0% $66 $66 $66 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
Katharine M. Voss 24 104 4.33 18 17 9 17.31% 42.31% $440,837 $4,239 $18,368 0 0
Renee D. Kierans 3 12 4 0 0 0 0% 0% $8,814 $735 $2,938 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
Katharine M. Voss 43 157 3.65 24 18 19 15.29% 38.85% $556,744 $3,546 $12,948 0 2
Renee D. Kierans 5 16 3.2 1 0 1 6.25% 12.5% $21,857 $1,366 $4,371 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
Katharine M. Voss 48 186 3.88 37 31 20 19.89% 47.31% $820,993 $4,414 $17,104 0 3
Renee D. Kierans 1 8 8 2 0 1 25% 37.5% $15,644 $1,956 $15,644 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
Katharine M. Voss 42 205 4.88 48 29 24 23.41% 49.27% $914,306 $4,460 $21,769 2 7
Renee D. Kierans 4 27 6.75 1 3 2 3.7% 22.22% $22,077 $818 $5,519 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
Katharine M. Voss 41 181 4.41 33 22 36 18.23% 50.28% $571,169 $3,156 $13,931 0 0
Renee D. Kierans 3 21 7 3 2 3 14.29% 38.1% $46,848 $2,231 $15,616 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
Katharine M. Voss 46 234 5.09 33 35 32 14.1% 42.74% $517,367 $2,211 $11,247 0 1
Renee D. Kierans 1 9 9 1 2 2 11.11% 55.56% $22,059 $2,451 $22,059 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
Katharine M. Voss 70 264 3.77 37 39 21 14.02% 36.74% $558,946 $2,117 $7,985 0 0
Renee D. Kierans 1 13 13 3 0 1 23.08% 30.77% $15,684 $1,206 $15,684 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
Katharine M. Voss 51 224 4.39 33 25 24 14.73% 36.61% $800,650 $3,574 $15,699 3 4
Renee D. Kierans 2 5 2.5 0 0 0 0% 0% $2,577 $515 $1,289 0 0