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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
Bradley C. Bolen 5 10 2 0 0 0 0% 0% $3,909 $391 $782 0 0
Katharine M. Voss 6 17 2.83 2 5 3 11.76% 58.82% $99,455 $5,850 $16,576 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
Bradley C. Bolen 9 24 2.67 1 6 3 4.17% 41.67% $42,493 $1,771 $4,721 0 0
Katharine M. Voss 13 65 5 6 7 9 9.23% 33.85% $255,765 $3,935 $19,674 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
Bradley C. Bolen 7 18 2.57 1 0 1 5.56% 11.11% $21,203 $1,178 $3,029 0 0
Katharine M. Voss 13 47 3.62 6 7 6 12.77% 40.43% $253,305 $5,389 $19,485 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
Bradley C. Bolen 8 29 3.63 3 1 4 10.34% 27.59% $72,884 $2,513 $9,111 0 0
Katharine M. Voss 8 34 4.25 3 5 6 8.82% 41.18% $173,980 $5,117 $21,748 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
Bradley C. Bolen 6 14 2.33 1 0 3 7.14% 28.57% $18,483 $1,320 $3,081 0 0
Katharine M. Voss 8 32 4 5 3 6 15.63% 43.75% $200,035 $6,251 $25,004 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
Bradley C. Bolen 6 18 3 1 0 3 5.56% 22.22% $25,805 $1,434 $4,301 0 0
Katharine M. Voss 9 30 3.33 3 4 4 10% 36.67% $131,936 $4,398 $14,660 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
Bradley C. Bolen 9 17 1.89 2 0 1 11.76% 17.65% $15,299 $900 $1,700 0 0
Katharine M. Voss 9 30 3.33 3 4 2 10% 30% $145,587 $4,853 $16,176 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
Bradley C. Bolen 9 21 2.33 3 4 1 14.29% 38.1% $39,489 $1,880 $4,388 0 0
Katharine M. Voss 14 63 4.5 9 5 12 14.29% 41.27% $457,882 $7,268 $32,706 0 3

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
Bradley C. Bolen 6 10 1.67 1 0 0 10% 10% $19,228 $1,923 $3,205 0 0
Katharine M. Voss 14 72 5.14 9 11 17 12.5% 51.39% $429,470 $5,965 $30,676 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
Bradley C. Bolen 9 16 1.78 0 1 2 0% 18.75% $4,296 $269 $477 0 0
Katharine M. Voss 10 24 2.4 3 3 6 12.5% 50% $138,403 $5,767 $13,840 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
Bradley C. Bolen 3 9 3 1 1 3 11.11% 55.56% $7,040 $782 $2,347 0 0
Katharine M. Voss 7 46 6.57 9 10 4 19.57% 50% $291,498 $6,337 $41,643 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
Bradley C. Bolen 4 9 2.25 0 0 3 0% 33.33% $2,706 $301 $677 0 0
Katharine M. Voss 16 69 4.31 10 11 12 14.49% 47.83% $366,616 $5,313 $22,914 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
Bradley C. Bolen 1 2 2 0 0 0 0% 0% $200 $100 $200 0 0
Katharine M. Voss 13 75 5.77 10 8 10 13.33% 37.33% $240,823 $3,211 $18,525 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
Bradley C. Bolen 6 11 1.83 0 0 0 0% 0% $949 $86 $158 0 0
Katharine M. Voss 17 87 5.12 9 17 14 10.34% 45.98% $299,235 $3,439 $17,602 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
Bradley C. Bolen 5 8 1.6 0 0 0 0% 0% $788 $99 $158 0 0
Katharine M. Voss 15 84 5.6 13 11 13 15.48% 44.05% $269,163 $3,204 $17,944 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
Bradley C. Bolen 8 11 1.38 1 0 0 9.09% 9.09% $6,709 $610 $839 0 0
Katharine M. Voss 14 59 4.21 5 5 8 8.47% 30.51% $96,740 $1,640 $6,910 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
Bradley C. Bolen 2 6 3 0 0 1 0% 16.67% $1,374 $229 $687 0 0
Katharine M. Voss 8 38 4.75 6 4 1 15.79% 28.95% $97,110 $2,556 $12,139 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
Bradley C. Bolen 14 49 3.5 3 6 3 6.12% 24.49% $26,875 $548 $1,920 0 0
Katharine M. Voss 10 72 7.2 11 11 10 15.28% 44.44% $234,910 $3,263 $23,491 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
Bradley C. Bolen 10 51 5.1 6 6 11 11.76% 45.1% $54,699 $1,073 $5,470 0 0
Katharine M. Voss 11 69 6.27 5 16 7 7.25% 40.58% $168,700 $2,445 $15,336 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
Bradley C. Bolen 10 42 4.2 5 3 7 11.9% 35.71% $54,347 $1,294 $5,435 0 0
Katharine M. Voss 23 84 3.65 8 11 10 9.52% 34.52% $195,271 $2,325 $8,490 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
Bradley C. Bolen 14 45 3.21 6 2 8 13.33% 35.56% $45,352 $1,008 $3,239 0 0
Katharine M. Voss 13 71 5.46 7 6 13 9.86% 36.62% $296,152 $4,171 $22,781 0 3

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
Bradley C. Bolen 20 45 2.25 2 2 7 4.44% 24.44% $18,697 $415 $935 0 0
Katharine M. Voss 11 63 5.73 4 11 8 6.35% 36.51% $139,338 $2,212 $12,667 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
Bradley C. Bolen 9 44 4.89 5 4 8 11.36% 38.64% $38,515 $875 $4,279 0 0
Katharine M. Voss 12 60 5 12 7 9 20% 46.67% $245,727 $4,095 $20,477 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
Bradley C. Bolen 8 27 3.38 2 2 0 7.41% 14.81% $23,998 $889 $3,000 0 0
Katharine M. Voss 28 105 3.75 12 9 11 11.43% 30.48% $262,076 $2,496 $9,360 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
Bradley C. Bolen 17 61 3.59 4 2 9 6.56% 24.59% $25,830 $423 $1,519 0 0
Katharine M. Voss 31 138 4.45 18 21 19 13.04% 42.03% $433,095 $3,138 $13,971 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
Bradley C. Bolen 11 36 3.27 6 2 0 16.67% 22.22% $23,563 $655 $2,142 0 0
Katharine M. Voss 36 140 3.89 17 17 15 12.14% 35% $370,749 $2,648 $10,299 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
Bradley C. Bolen 1 2 2 0 0 1 0% 50% $2,970 $1,485 $2,970 0 0
Katharine M. Voss 24 104 4.33 18 17 9 17.31% 42.31% $440,837 $4,239 $18,368 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
Bradley C. Bolen 1 2 2 0 0 0 0% 0% $0 $0 $0 0 0
Katharine M. Voss 43 157 3.65 24 18 19 15.29% 38.85% $556,744 $3,546 $12,948 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
Bradley C. Bolen 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Katharine M. Voss 48 186 3.88 37 31 20 19.89% 47.31% $820,993 $4,414 $17,104 0 3

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
Bradley C. Bolen 4 15 3.75 0 0 2 0% 13.33% $1,098 $73 $275 0 0
Katharine M. Voss 51 219 4.29 31 31 24 14.16% 39.27% $618,413 $2,824 $12,126 0 3

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
Bradley C. Bolen 3 3 1 0 0 0 0% 0% $0 $0 $0 0 0
Katharine M. Voss 42 205 4.88 48 29 24 23.41% 49.27% $914,306 $4,460 $21,769 2 7

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
Bradley C. Bolen 8 48 6 3 5 2 6.25% 20.83% $8,088 $169 $1,011 0 0
Katharine M. Voss 41 181 4.41 33 22 36 18.23% 50.28% $571,169 $3,156 $13,931 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
Bradley C. Bolen 3 23 7.67 2 3 3 8.7% 34.78% $4,425 $192 $1,475 0 0
Katharine M. Voss 46 234 5.09 33 35 32 14.1% 42.74% $517,367 $2,211 $11,247 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
Bradley C. Bolen 8 30 3.75 2 2 3 6.67% 23.33% $3,562 $119 $445 0 0
Katharine M. Voss 70 264 3.77 37 39 21 14.02% 36.74% $558,946 $2,117 $7,985 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
Bradley C. Bolen 5 35 7 0 0 3 0% 8.57% $2,277 $65 $455 0 0
Katharine M. Voss 51 224 4.39 33 25 24 14.73% 36.61% $800,650 $3,574 $15,699 3 4

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
Bradley C. Bolen 7 24 3.43 3 1 2 12.5% 25% $5,529 $230 $790 0 0
Katharine M. Voss 34 182 5.35 30 23 32 16.48% 46.7% $527,858 $2,900 $15,525 1 4