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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
Rodney Jenkins 4 11 2.75 2 2 1 18.18% 45.45% $91,130 $8,285 $22,783 0 0
David Markgraf 10 33 3.3 2 2 1 6.06% 15.15% $33,450 $1,014 $3,345 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
Rodney Jenkins 7 26 3.71 2 0 2 7.69% 15.38% $71,670 $2,757 $10,239 0 0
David Markgraf 26 75 2.88 14 7 10 18.67% 41.33% $189,515 $2,527 $7,289 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
Rodney Jenkins 12 42 3.5 9 4 2 21.43% 35.71% $472,156 $11,242 $39,346 1 2
David Markgraf 7 37 5.29 6 2 6 16.22% 37.84% $83,855 $2,266 $11,979 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
Rodney Jenkins 15 84 5.6 12 12 18 14.29% 50% $774,064 $9,215 $51,604 0 5
David Markgraf 9 44 4.89 6 3 8 13.64% 38.64% $114,780 $2,609 $12,753 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
Rodney Jenkins 13 50 3.85 3 10 5 6% 36% $306,565 $6,131 $23,582 0 0
David Markgraf 16 50 3.13 2 6 3 4% 22% $58,140 $1,163 $3,634 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
Rodney Jenkins 20 95 4.75 15 16 14 15.79% 47.37% $840,539 $8,848 $42,027 0 2
David Markgraf 17 92 5.41 17 15 14 18.48% 50% $257,680 $2,801 $15,158 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
Rodney Jenkins 19 69 3.63 14 6 13 20.29% 47.83% $563,007 $8,160 $29,632 0 2
David Markgraf 14 61 4.36 8 9 8 13.11% 40.98% $96,957 $1,589 $6,926 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
Rodney Jenkins 26 100 3.85 21 9 9 21% 39% $611,246 $6,112 $23,509 0 3
David Markgraf 17 78 4.59 14 11 11 17.95% 46.15% $161,735 $2,074 $9,514 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
Rodney Jenkins 25 107 4.28 17 13 16 15.89% 42.99% $680,608 $6,361 $27,224 0 1
David Markgraf 16 81 5.06 16 11 12 19.75% 48.15% $169,100 $2,088 $10,569 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
Rodney Jenkins 23 76 3.3 14 12 13 18.42% 51.32% $592,882 $7,801 $25,777 0 2
David Markgraf 10 63 6.3 9 13 4 14.29% 41.27% $142,405 $2,260 $14,241 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
Rodney Jenkins 35 139 3.97 21 26 14 15.11% 43.88% $581,535 $4,184 $16,615 0 0
David Markgraf 11 35 3.18 5 2 1 14.29% 22.86% $43,137 $1,232 $3,922 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
Rodney Jenkins 43 198 4.6 43 28 25 21.72% 48.48% $978,179 $4,940 $22,748 0 0
David Markgraf 23 128 5.57 12 25 21 9.38% 45.31% $184,111 $1,438 $8,005 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
Rodney Jenkins 53 227 4.28 61 36 32 26.87% 56.83% $1,523,228 $6,710 $28,740 0 5
David Markgraf 27 154 5.7 19 21 26 12.34% 42.86% $243,879 $1,584 $9,033 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
Rodney Jenkins 64 267 4.17 71 52 40 26.59% 61.05% $1,761,363 $6,597 $27,521 0 6
David Markgraf 22 143 6.5 15 26 20 10.49% 42.66% $201,167 $1,407 $9,144 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
Rodney Jenkins 69 261 3.78 73 48 42 27.97% 62.45% $1,652,064 $6,330 $23,943 0 2
David Markgraf 36 155 4.31 15 29 18 9.68% 40% $226,528 $1,461 $6,292 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
Rodney Jenkins 75 275 3.67 57 45 38 20.73% 50.91% $1,405,820 $5,112 $18,744 0 2
David Markgraf 27 103 3.81 14 10 17 13.59% 39.81% $152,380 $1,479 $5,644 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
Rodney Jenkins 80 343 4.29 74 61 46 21.57% 52.77% $1,815,029 $5,292 $22,688 0 5
David Markgraf 26 125 4.81 21 23 18 16.8% 49.6% $285,039 $2,280 $10,963 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
Rodney Jenkins 77 289 3.75 52 58 41 17.99% 52.25% $1,374,432 $4,756 $17,850 0 0
David Markgraf 25 130 5.2 18 17 15 13.85% 38.46% $174,593 $1,343 $6,984 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
Rodney Jenkins 75 306 4.08 55 52 51 17.97% 51.63% $1,319,739 $4,313 $17,597 0 2
David Markgraf 21 81 3.86 7 7 8 8.64% 27.16% $74,732 $923 $3,559 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
Rodney Jenkins 66 245 3.71 45 45 44 18.37% 54.69% $1,001,290 $4,087 $15,171 0 2
David Markgraf 30 151 5.03 9 10 20 5.96% 25.83% $97,653 $647 $3,255 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
Rodney Jenkins 69 263 3.81 56 46 33 21.29% 51.33% $1,284,474 $4,884 $18,616 0 2
David Markgraf 28 157 5.61 19 17 27 12.1% 40.13% $145,038 $924 $5,180 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
Rodney Jenkins 65 238 3.66 61 46 25 25.63% 55.46% $1,638,557 $6,885 $25,209 1 7
David Markgraf 31 140 4.52 19 12 26 13.57% 40.71% $147,006 $1,050 $4,742 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
Rodney Jenkins 65 242 3.72 42 34 46 17.36% 50.41% $916,095 $3,786 $14,094 0 2
David Markgraf 29 131 4.52 20 21 19 15.27% 45.8% $171,089 $1,306 $5,900 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
Rodney Jenkins 46 189 4.11 33 27 35 17.46% 50.26% $726,997 $3,847 $15,804 0 4
David Markgraf 40 213 5.33 33 34 26 15.49% 43.66% $203,643 $956 $5,091 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
Rodney Jenkins 23 103 4.48 24 18 13 23.3% 53.4% $406,511 $3,947 $17,674 0 0
David Markgraf 30 184 6.13 32 24 34 17.39% 48.91% $238,430 $1,296 $7,948 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
Rodney Jenkins 21 84 4 14 12 13 16.67% 46.43% $263,244 $3,134 $12,535 0 1
David Markgraf 24 121 5.04 22 15 23 18.18% 49.59% $186,828 $1,544 $7,785 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
Rodney Jenkins 8 24 3 2 4 6 8.33% 50% $61,158 $2,548 $7,645 0 0
David Markgraf 21 142 6.76 17 18 23 11.97% 40.85% $131,273 $924 $6,251 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
Rodney Jenkins 16 52 3.25 4 3 3 7.69% 19.23% $38,000 $731 $2,375 0 0
David Markgraf 27 179 6.63 31 31 32 17.32% 52.51% $218,428 $1,220 $8,090 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
Rodney Jenkins 13 30 2.31 3 4 3 10% 33.33% $34,710 $1,157 $2,670 0 0
David Markgraf 20 108 5.4 28 21 9 25.93% 53.7% $152,872 $1,415 $7,644 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
Rodney Jenkins 5 16 3.2 4 1 0 25% 31.25% $13,840 $865 $2,768 0 0
David Markgraf 24 158 6.58 19 22 29 12.03% 44.3% $120,483 $763 $5,020 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
Rodney Jenkins 5 6 1.2 1 0 0 16.67% 16.67% $8,550 $1,425 $1,710 0 0
David Markgraf 20 143 7.15 26 19 24 18.18% 48.25% $100,556 $703 $5,028 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
Rodney Jenkins 16 37 2.31 6 9 0 16.22% 40.54% $53,694 $1,451 $3,356 0 0
David Markgraf 22 150 6.82 29 19 22 19.33% 46.67% $168,430 $1,123 $7,656 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
Rodney Jenkins 11 28 2.55 3 5 5 10.71% 46.43% $27,410 $979 $2,492 0 0
David Markgraf 33 170 5.15 22 27 17 12.94% 38.82% $131,281 $772 $3,978 0 0