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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
Steve Koler 4 15 3.75 1 1 2 6.67% 26.67% $15,164 $1,011 $3,791 0 0
Mark Doering 2 6 3 0 0 0 0% 0% $2,352 $392 $1,176 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
Steve Koler 3 13 4.33 0 0 3 0% 23.08% $9,756 $750 $3,252 0 0
Mark Doering 3 23 7.67 1 3 3 4.35% 30.43% $52,679 $2,290 $17,560 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
Steve Koler 3 17 5.67 1 1 2 5.88% 23.53% $14,361 $845 $4,787 0 0
Mark Doering 11 36 3.27 2 3 4 5.56% 25% $60,716 $1,687 $5,520 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
Steve Koler 5 22 4.4 2 1 3 9.09% 27.27% $27,272 $1,240 $5,454 0 0
Mark Doering 7 50 7.14 2 1 6 4% 18% $76,809 $1,536 $10,973 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
Steve Koler 6 44 7.33 2 5 3 4.55% 22.73% $36,748 $835 $6,125 0 0
Mark Doering 5 54 10.8 2 9 4 3.7% 27.78% $85,858 $1,590 $17,172 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
Steve Koler 4 15 3.75 1 1 0 6.67% 13.33% $9,072 $605 $2,268 0 0
Mark Doering 9 51 5.67 5 5 4 9.8% 27.45% $90,301 $1,771 $10,033 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
Steve Koler 5 18 3.6 2 1 1 11.11% 22.22% $13,671 $760 $2,734 0 0
Mark Doering 18 122 6.78 6 13 13 4.92% 26.23% $193,577 $1,587 $10,754 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
Steve Koler 10 32 3.2 0 1 4 0% 15.63% $10,030 $313 $1,003 0 0
Mark Doering 14 103 7.36 8 15 11 7.77% 33.01% $269,739 $2,619 $19,267 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
Steve Koler 18 90 5 4 7 9 4.44% 22.22% $53,402 $593 $2,967 0 0
Mark Doering 13 97 7.46 11 16 12 11.34% 40.21% $287,314 $2,962 $22,101 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
Steve Koler 15 93 6.2 9 14 19 9.68% 45.16% $94,468 $1,016 $6,298 0 0
Mark Doering 16 126 7.88 14 18 16 11.11% 38.1% $245,068 $1,945 $15,317 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
Steve Koler 16 86 5.38 9 23 16 10.47% 55.81% $121,345 $1,411 $7,584 0 0
Mark Doering 16 104 6.5 9 11 19 8.65% 37.5% $214,170 $2,059 $13,386 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
Steve Koler 16 87 5.44 8 9 11 9.2% 32.18% $71,660 $824 $4,479 0 0
Mark Doering 13 95 7.31 14 15 13 14.74% 44.21% $229,361 $2,414 $17,643 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
Steve Koler 17 82 4.82 9 6 8 10.98% 28.05% $80,349 $980 $4,726 0 0
Mark Doering 14 109 7.79 7 9 12 6.42% 25.69% $96,322 $884 $6,880 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
Steve Koler 19 92 4.84 10 10 14 10.87% 36.96% $80,855 $879 $4,256 0 0
Mark Doering 13 104 8 9 9 16 8.65% 32.69% $77,171 $742 $5,936 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
Steve Koler 17 65 3.82 7 8 13 10.77% 43.08% $44,102 $678 $2,594 0 0
Mark Doering 18 157 8.72 22 27 26 14.01% 47.77% $250,017 $1,592 $13,890 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
Steve Koler 14 63 4.5 3 2 14 4.76% 30.16% $32,238 $512 $2,303 0 0
Mark Doering 19 152 8 18 12 12 11.84% 27.63% $153,169 $1,008 $8,062 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
Steve Koler 13 76 5.85 5 9 7 6.58% 27.63% $41,872 $551 $3,221 0 0
Mark Doering 13 139 10.69 14 20 12 10.07% 33.09% $173,433 $1,248 $13,341 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
Steve Koler 11 71 6.45 5 5 8 7.04% 25.35% $37,191 $524 $3,381 0 0
Mark Doering 21 154 7.33 14 26 26 9.09% 42.86% $178,819 $1,161 $8,515 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
Steve Koler 19 98 5.16 6 6 14 6.12% 26.53% $76,721 $783 $4,038 0 0
Mark Doering 12 140 11.67 21 14 22 15% 40.71% $196,991 $1,407 $16,416 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
Steve Koler 14 99 7.07 8 14 8 8.08% 30.3% $115,317 $1,165 $8,237 0 0
Mark Doering 21 154 7.33 15 19 33 9.74% 43.51% $189,738 $1,232 $9,035 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
Steve Koler 10 47 4.7 3 6 8 6.38% 36.17% $37,222 $792 $3,722 0 0
Mark Doering 18 108 6 13 17 11 12.04% 37.96% $175,489 $1,625 $9,749 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
Steve Koler 7 49 7 7 5 9 14.29% 42.86% $41,066 $838 $5,867 0 0
Mark Doering 19 140 7.37 11 17 12 7.86% 28.57% $93,371 $667 $4,914 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
Steve Koler 9 34 3.78 1 4 5 2.94% 29.41% $15,334 $451 $1,704 0 0
Mark Doering 16 116 7.25 14 16 15 12.07% 38.79% $111,316 $960 $6,957 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
Steve Koler 2 10 5 1 2 0 10% 30% $5,180 $518 $2,590 0 0
Mark Doering 13 86 6.62 12 9 12 13.95% 38.37% $82,339 $957 $6,334 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
Steve Koler 4 7 1.75 0 0 0 0% 0% $137 $20 $34 0 0
Mark Doering 10 78 7.8 10 10 13 12.82% 42.31% $94,539 $1,212 $9,454 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
Steve Koler 9 29 3.22 1 1 1 3.45% 10.34% $4,630 $160 $514 0 0
Mark Doering 11 58 5.27 4 5 8 6.9% 29.31% $58,013 $1,000 $5,274 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
Steve Koler 8 45 5.63 7 8 6 15.56% 46.67% $29,302 $651 $3,663 0 0
Mark Doering 14 83 5.93 13 11 12 15.66% 43.37% $129,967 $1,566 $9,283 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
Steve Koler 6 42 7 2 7 7 4.76% 38.1% $12,379 $295 $2,063 0 0
Mark Doering 15 88 5.87 9 11 16 10.23% 40.91% $90,418 $1,027 $6,028 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
Steve Koler 9 41 4.56 5 8 3 12.2% 39.02% $17,576 $429 $1,953 0 0
Mark Doering 13 84 6.46 7 8 16 8.33% 36.9% $62,657 $746 $4,820 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
Steve Koler 3 6 2 0 0 0 0% 0% $1,149 $192 $383 0 0
Mark Doering 14 86 6.14 7 4 12 8.14% 26.74% $39,186 $456 $2,799 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
Steve Koler 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Mark Doering 20 113 5.65 15 15 18 13.27% 42.48% $93,763 $830 $4,688 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
Steve Koler 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Mark Doering 16 124 7.75 10 17 16 8.06% 34.68% $60,512 $488 $3,782 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
Steve Koler 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Mark Doering 27 147 5.44 21 18 19 14.29% 39.46% $86,721 $590 $3,212 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
Steve Koler 10 32 3.2 1 3 2 3.13% 18.75% $3,295 $103 $330 0 0
Mark Doering 19 125 6.58 15 15 12 12% 33.6% $56,715 $454 $2,985 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
Steve Koler 8 27 3.38 1 1 1 3.7% 11.11% $9,710 $360 $1,214 0 0
Mark Doering 17 117 6.88 14 18 17 11.97% 41.88% $60,623 $518 $3,566 0 0