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
Steven T. Jerkens 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jeffrey D. Thornbury 1 9 9 0 2 2 0% 44.44% $7,235 $804 $7,235 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
Steven T. Jerkens 1 2 2 0 0 0 0% 0% $1,350 $675 $1,350 0 0
Jeffrey D. Thornbury 1 10 10 0 3 4 0% 70% $11,481 $1,148 $11,481 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
Steven T. Jerkens 2 11 5.5 0 0 0 0% 0% $8,134 $739 $4,067 0 0
Jeffrey D. Thornbury 5 16 3.2 2 0 3 12.5% 31.25% $33,238 $2,077 $6,648 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
Steven T. Jerkens 3 18 6 0 1 3 0% 22.22% $57,198 $3,178 $19,066 0 0
Jeffrey D. Thornbury 4 16 4 3 2 4 18.75% 56.25% $51,502 $3,219 $12,876 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
Steven T. Jerkens 3 17 5.67 2 3 1 11.76% 35.29% $108,605 $6,389 $36,202 0 0
Jeffrey D. Thornbury 3 26 8.67 6 4 4 23.08% 53.85% $44,621 $1,716 $14,874 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
Steven T. Jerkens 1 11 11 0 1 3 0% 36.36% $47,135 $4,285 $47,135 0 0
Jeffrey D. Thornbury 4 18 4.5 2 0 3 11.11% 27.78% $23,408 $1,300 $5,852 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
Steven T. Jerkens 4 21 5.25 3 0 0 14.29% 14.29% $100,263 $4,774 $25,066 0 0
Jeffrey D. Thornbury 3 19 6.33 5 6 1 26.32% 63.16% $49,494 $2,605 $16,498 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
Steven T. Jerkens 2 16 8 1 2 2 6.25% 31.25% $64,881 $4,055 $32,441 0 0
Jeffrey D. Thornbury 5 14 2.8 2 2 1 14.29% 35.71% $33,024 $2,359 $6,605 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
Steven T. Jerkens 2 11 5.5 1 1 0 9.09% 18.18% $48,082 $4,371 $24,041 0 0
Jeffrey D. Thornbury 8 38 4.75 2 2 5 5.26% 23.68% $49,662 $1,307 $6,208 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
Steven T. Jerkens 3 13 4.33 0 0 1 0% 7.69% $12,112 $932 $4,037 0 0
Jeffrey D. Thornbury 13 36 2.77 1 3 7 2.78% 30.56% $49,274 $1,369 $3,790 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
Steven T. Jerkens 2 4 2 0 0 0 0% 0% $2,092 $523 $1,046 0 0
Jeffrey D. Thornbury 27 112 4.15 9 25 14 8.04% 42.86% $310,881 $2,776 $11,514 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
Steven T. Jerkens 4 16 4 0 0 1 0% 6.25% $9,807 $613 $2,452 0 0
Jeffrey D. Thornbury 25 120 4.8 12 23 19 10% 45% $392,145 $3,268 $15,686 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
Steven T. Jerkens 5 21 4.2 1 1 2 4.76% 19.05% $51,385 $2,447 $10,277 0 0
Jeffrey D. Thornbury 28 102 3.64 17 13 18 16.67% 47.06% $430,435 $4,220 $15,373 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
Steven T. Jerkens 5 34 6.8 1 3 6 2.94% 29.41% $85,183 $2,505 $17,037 0 0
Jeffrey D. Thornbury 30 127 4.23 19 21 16 14.96% 44.09% $515,577 $4,060 $17,186 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
Steven T. Jerkens 7 30 4.29 6 4 6 20% 53.33% $193,439 $6,448 $27,634 0 0
Jeffrey D. Thornbury 36 154 4.28 24 23 17 15.58% 41.56% $905,969 $5,883 $25,166 1 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
Steven T. Jerkens 6 35 5.83 1 3 8 2.86% 34.29% $97,227 $2,778 $16,205 0 0
Jeffrey D. Thornbury 43 171 3.98 28 26 23 16.37% 45.03% $686,230 $4,013 $15,959 1 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
Steven T. Jerkens 9 30 3.33 4 5 5 13.33% 46.67% $171,275 $5,709 $19,031 0 0
Jeffrey D. Thornbury 60 201 3.35 34 29 17 16.92% 39.8% $650,465 $3,236 $10,841 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
Steven T. Jerkens 9 32 3.56 2 4 3 6.25% 28.13% $93,018 $2,907 $10,335 0 0
Jeffrey D. Thornbury 64 228 3.56 33 30 31 14.47% 41.23% $689,970 $3,026 $10,781 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
Steven T. Jerkens 6 19 3.17 0 2 0 0% 10.53% $13,658 $719 $2,276 0 0
Jeffrey D. Thornbury 57 190 3.33 26 21 13 13.68% 31.58% $563,551 $2,966 $9,887 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
Steven T. Jerkens 10 42 4.2 1 4 2 2.38% 16.67% $36,677 $873 $3,668 0 0
Jeffrey D. Thornbury 36 114 3.17 15 21 7 13.16% 37.72% $285,806 $2,507 $7,939 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
Steven T. Jerkens 14 51 3.64 2 4 5 3.92% 21.57% $84,750 $1,662 $6,054 0 0
Jeffrey D. Thornbury 38 135 3.55 20 19 17 14.81% 41.48% $477,172 $3,535 $12,557 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
Steven T. Jerkens 21 85 4.05 6 10 9 7.06% 29.41% $261,747 $3,079 $12,464 0 0
Jeffrey D. Thornbury 29 142 4.9 16 22 20 11.27% 40.85% $423,580 $2,983 $14,606 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
Steven T. Jerkens 18 103 5.72 10 12 18 9.71% 38.83% $385,250 $3,740 $21,403 0 1
Jeffrey D. Thornbury 26 124 4.77 18 18 15 14.52% 41.13% $388,568 $3,134 $14,945 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
Steven T. Jerkens 19 102 5.37 15 14 16 14.71% 44.12% $399,520 $3,917 $21,027 0 0
Jeffrey D. Thornbury 22 91 4.14 8 10 15 8.79% 36.26% $244,347 $2,685 $11,107 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
Steven T. Jerkens 10 48 4.8 8 9 10 16.67% 56.25% $311,952 $6,499 $31,195 0 0
Jeffrey D. Thornbury 15 61 4.07 9 6 6 14.75% 34.43% $260,693 $4,274 $17,380 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
Steven T. Jerkens 8 34 4.25 4 7 5 11.76% 47.06% $160,325 $4,715 $20,041 0 0
Jeffrey D. Thornbury 15 50 3.33 6 6 5 12% 34% $115,865 $2,317 $7,724 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
Steven T. Jerkens 9 52 5.78 4 4 9 7.69% 32.69% $177,060 $3,405 $19,673 0 0
Jeffrey D. Thornbury 17 72 4.24 8 7 9 11.11% 33.33% $98,842 $1,373 $5,814 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
Steven T. Jerkens 9 32 3.56 2 3 6 6.25% 34.38% $72,630 $2,270 $8,070 0 0
Jeffrey D. Thornbury 13 53 4.08 7 5 7 13.21% 35.85% $103,161 $1,946 $7,935 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
Steven T. Jerkens 10 37 3.7 4 2 5 10.81% 29.73% $114,525 $3,095 $11,453 0 0
Jeffrey D. Thornbury 10 22 2.2 3 1 2 13.64% 27.27% $38,644 $1,757 $3,864 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
Steven T. Jerkens 11 49 4.45 2 4 9 4.08% 30.61% $105,358 $2,150 $9,578 0 0
Jeffrey D. Thornbury 18 66 3.67 5 8 5 7.58% 27.27% $85,942 $1,302 $4,775 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
Steven T. Jerkens 12 55 4.58 6 5 6 10.91% 30.91% $151,980 $2,763 $12,665 0 0
Jeffrey D. Thornbury 11 44 4 8 3 7 18.18% 40.91% $130,826 $2,973 $11,893 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
Steven T. Jerkens 22 94 4.27 9 16 8 9.57% 35.11% $253,938 $2,701 $11,543 0 0
Jeffrey D. Thornbury 13 69 5.31 9 7 7 13.04% 33.33% $76,915 $1,115 $5,917 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
Steven T. Jerkens 20 66 3.3 7 13 7 10.61% 40.91% $176,790 $2,679 $8,840 0 0
Jeffrey D. Thornbury 12 62 5.17 4 6 12 6.45% 35.48% $48,844 $788 $4,070 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
Steven T. Jerkens 15 70 4.67 8 8 11 11.43% 38.57% $146,810 $2,097 $9,787 0 0
Jeffrey D. Thornbury 20 74 3.7 5 6 6 6.76% 22.97% $57,084 $771 $2,854 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
Steven T. Jerkens 14 85 6.07 10 17 13 11.76% 47.06% $235,330 $2,769 $16,809 0 0
Jeffrey D. Thornbury 15 47 3.13 4 4 1 8.51% 19.15% $16,926 $360 $1,128 0 0