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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
David Markgraf 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jamen Davidovich 1 1 1 0 0 0 0% 0% $160 $160 $160 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
David Markgraf 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jamen Davidovich 1 1 1 0 0 0 0% 0% $170 $170 $170 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
David Markgraf 10 33 3.3 2 2 1 6.06% 15.15% $33,450 $1,014 $3,345 0 0
Jamen Davidovich 3 6 2 4 0 0 66.67% 66.67% $26,357 $4,393 $8,786 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
David Markgraf 26 75 2.88 14 7 10 18.67% 41.33% $189,515 $2,527 $7,289 0 0
Jamen Davidovich 2 8 4 3 3 1 37.5% 87.5% $25,542 $3,193 $12,771 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
David Markgraf 7 37 5.29 6 2 6 16.22% 37.84% $83,855 $2,266 $11,979 0 0
Jamen Davidovich 1 1 1 0 0 0 0% 0% $3,280 $3,280 $3,280 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
David Markgraf 9 44 4.89 6 3 8 13.64% 38.64% $114,780 $2,609 $12,753 0 0
Jamen Davidovich 6 15 2.5 5 4 0 33.33% 60% $79,025 $5,268 $13,171 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
David Markgraf 16 50 3.13 2 6 3 4% 22% $58,140 $1,163 $3,634 0 0
Jamen Davidovich 7 17 2.43 0 2 1 0% 17.65% $12,340 $726 $1,763 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
David Markgraf 17 92 5.41 17 15 14 18.48% 50% $257,680 $2,801 $15,158 0 0
Jamen Davidovich 7 15 2.14 1 0 4 6.67% 33.33% $13,314 $888 $1,902 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
David Markgraf 14 61 4.36 8 9 8 13.11% 40.98% $96,957 $1,589 $6,926 0 0
Jamen Davidovich 2 3 1.5 0 0 0 0% 0% $671 $224 $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
David Markgraf 17 78 4.59 14 11 11 17.95% 46.15% $161,735 $2,074 $9,514 0 0
Jamen Davidovich 15 59 3.93 9 5 11 15.25% 42.37% $131,225 $2,224 $8,748 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
David Markgraf 16 81 5.06 16 11 12 19.75% 48.15% $169,100 $2,088 $10,569 0 0
Jamen Davidovich 16 81 5.06 21 11 9 25.93% 50.62% $309,310 $3,819 $19,332 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
David Markgraf 10 63 6.3 9 13 4 14.29% 41.27% $142,405 $2,260 $14,241 0 0
Jamen Davidovich 21 99 4.71 25 13 21 25.25% 59.6% $354,797 $3,584 $16,895 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
David Markgraf 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jamen Davidovich 10 43 4.3 5 5 8 11.63% 41.86% $103,299 $2,402 $10,330 0 0