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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
Mark A. Hennig 29 83 2.86 8 13 7 9.64% 33.73% $548,044 $6,603 $18,898 0 0
Joan Petrowski 12 16 1.33 0 3 4 0% 43.75% $13,068 $817 $1,089 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
Mark A. Hennig 49 222 4.53 20 21 27 9.01% 30.63% $1,625,313 $7,321 $33,170 1 2
Joan Petrowski 21 115 5.48 9 21 16 7.83% 40% $166,562 $1,448 $7,932 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
Mark A. Hennig 60 210 3.5 16 25 26 7.62% 31.9% $1,744,233 $8,306 $29,071 1 2
Joan Petrowski 10 61 6.1 8 10 10 13.11% 45.9% $97,693 $1,602 $9,769 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
Mark A. Hennig 57 226 3.96 28 21 45 12.39% 41.59% $1,835,820 $8,123 $32,207 0 0
Joan Petrowski 20 85 4.25 3 6 10 3.53% 22.35% $41,634 $490 $2,082 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
Mark A. Hennig 59 233 3.95 20 24 29 8.58% 31.33% $1,419,200 $6,091 $24,054 0 0
Joan Petrowski 28 157 5.61 11 13 17 7.01% 26.11% $100,532 $640 $3,590 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
Mark A. Hennig 58 214 3.69 22 26 28 10.28% 35.51% $1,398,668 $6,536 $24,115 0 1
Joan Petrowski 28 160 5.71 23 15 19 14.38% 35.63% $154,285 $964 $5,510 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
Mark A. Hennig 66 185 2.8 20 22 19 10.81% 32.97% $1,196,582 $6,468 $18,130 0 1
Joan Petrowski 33 137 4.15 4 12 9 2.92% 18.25% $63,214 $461 $1,916 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
Mark A. Hennig 75 267 3.56 31 37 31 11.61% 37.08% $2,454,341 $9,192 $32,725 0 2
Joan Petrowski 40 198 4.95 20 16 24 10.1% 30.3% $177,254 $895 $4,431 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
Mark A. Hennig 55 235 4.27 32 30 43 13.62% 44.68% $2,542,163 $10,818 $46,221 2 3
Joan Petrowski 38 205 5.39 13 20 28 6.34% 29.76% $205,425 $1,002 $5,406 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
Mark A. Hennig 49 199 4.06 22 27 27 11.06% 38.19% $1,510,357 $7,590 $30,824 1 1
Joan Petrowski 58 306 5.28 20 33 30 6.54% 27.12% $304,412 $995 $5,248 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
Mark A. Hennig 56 194 3.46 25 28 19 12.89% 37.11% $1,596,841 $8,231 $28,515 2 2
Joan Petrowski 50 279 5.58 25 27 39 8.96% 32.62% $287,844 $1,032 $5,757 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
Mark A. Hennig 61 233 3.82 25 26 38 10.73% 38.2% $1,434,219 $6,155 $23,512 2 3
Joan Petrowski 64 344 5.38 27 39 36 7.85% 29.65% $359,983 $1,046 $5,625 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
Mark A. Hennig 54 217 4.02 31 22 35 14.29% 40.55% $1,801,799 $8,303 $33,367 2 6
Joan Petrowski 66 380 5.76 36 47 46 9.47% 33.95% $497,648 $1,310 $7,540 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
Mark A. Hennig 63 277 4.4 45 48 35 16.25% 46.21% $2,357,744 $8,512 $37,425 1 5
Joan Petrowski 60 297 4.95 29 37 50 9.76% 39.06% $367,932 $1,239 $6,132 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
Mark A. Hennig 67 232 3.46 20 26 29 8.62% 32.33% $1,087,964 $4,690 $16,238 0 2
Joan Petrowski 59 341 5.78 34 40 42 9.97% 34.02% $744,267 $2,183 $12,615 1 5

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
Mark A. Hennig 57 276 4.84 36 53 36 13.04% 45.29% $1,474,622 $5,343 $25,871 0 2
Joan Petrowski 55 328 5.96 48 45 34 14.63% 38.72% $729,707 $2,225 $13,267 0 6

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
Mark A. Hennig 71 328 4.62 30 43 50 9.15% 37.5% $1,320,692 $4,027 $18,601 0 1
Joan Petrowski 56 294 5.25 23 34 49 7.82% 36.05% $420,778 $1,431 $7,514 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
Mark A. Hennig 89 424 4.76 52 50 42 12.26% 33.96% $2,123,132 $5,007 $23,855 2 6
Joan Petrowski 62 308 4.97 36 40 30 11.69% 34.42% $426,913 $1,386 $6,886 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
Mark A. Hennig 102 463 4.54 64 80 71 13.82% 46.44% $3,386,804 $7,315 $33,204 3 6
Joan Petrowski 54 283 5.24 26 29 39 9.19% 33.22% $427,958 $1,512 $7,925 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
Mark A. Hennig 100 417 4.17 58 58 55 13.91% 41.01% $2,897,246 $6,948 $28,972 2 15
Joan Petrowski 48 247 5.15 23 35 26 9.31% 34.01% $593,958 $2,405 $12,374 1 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
Mark A. Hennig 100 378 3.78 57 56 53 15.08% 43.92% $2,388,983 $6,320 $23,890 0 4
Joan Petrowski 43 240 5.58 24 22 24 10% 29.17% $288,191 $1,201 $6,702 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
Mark A. Hennig 105 413 3.93 75 58 61 18.16% 46.97% $4,209,607 $10,193 $40,091 6 14
Joan Petrowski 58 288 4.97 16 18 27 5.56% 21.18% $176,550 $613 $3,044 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
Mark A. Hennig 115 516 4.49 72 100 66 13.95% 46.12% $3,957,798 $7,670 $34,416 2 6
Joan Petrowski 53 346 6.53 46 41 39 13.29% 36.42% $721,237 $2,085 $13,608 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
Mark A. Hennig 125 503 4.02 73 85 74 14.51% 46.12% $3,954,020 $7,861 $31,632 4 6
Joan Petrowski 46 314 6.83 37 44 39 11.78% 38.22% $484,681 $1,544 $10,537 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
Mark A. Hennig 112 478 4.27 79 71 57 16.53% 43.31% $5,814,441 $12,164 $51,915 16 26
Joan Petrowski 44 280 6.36 34 30 35 12.14% 35.36% $425,455 $1,519 $9,669 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
Mark A. Hennig 116 495 4.27 85 77 70 17.17% 46.87% $4,973,124 $10,047 $42,872 14 22
Joan Petrowski 36 216 6 18 21 34 8.33% 33.8% $226,608 $1,049 $6,295 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
Mark A. Hennig 98 447 4.56 71 63 49 15.88% 40.94% $3,932,254 $8,797 $40,125 7 12
Joan Petrowski 41 262 6.39 19 22 29 7.25% 26.72% $128,299 $490 $3,129 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
Mark A. Hennig 104 491 4.72 73 60 69 14.87% 41.14% $3,042,651 $6,197 $29,256 4 8
Joan Petrowski 55 326 5.93 35 34 41 10.74% 33.74% $261,710 $803 $4,758 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
Mark A. Hennig 98 416 4.24 63 58 60 15.14% 43.51% $3,732,529 $8,972 $38,087 9 12
Joan Petrowski 51 353 6.92 43 38 38 12.18% 33.71% $313,526 $888 $6,148 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
Mark A. Hennig 91 432 4.75 73 68 53 16.9% 44.91% $2,877,532 $6,661 $31,621 4 12
Joan Petrowski 41 273 6.66 29 24 36 10.62% 32.6% $193,371 $708 $4,716 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
Mark A. Hennig 81 428 5.28 72 74 54 16.82% 46.73% $2,617,748 $6,116 $32,318 1 3
Joan Petrowski 41 281 6.85 33 34 37 11.74% 37.01% $238,831 $850 $5,825 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
Mark A. Hennig 64 325 5.08 56 53 49 17.23% 48.62% $2,464,677 $7,584 $38,511 5 12
Joan Petrowski 43 321 7.47 29 39 39 9.03% 33.33% $143,326 $446 $3,333 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
Mark A. Hennig 57 223 3.91 36 35 25 16.14% 43.05% $1,939,950 $8,699 $34,034 6 11
Joan Petrowski 50 345 6.9 49 40 45 14.2% 38.84% $199,313 $578 $3,986 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
Mark A. Hennig 37 229 6.19 49 43 26 21.4% 51.53% $3,986,802 $17,410 $107,751 10 19
Joan Petrowski 46 338 7.35 37 43 39 10.95% 35.21% $158,283 $468 $3,441 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
Mark A. Hennig 30 100 3.33 13 16 11 13% 40% $502,926 $5,029 $16,764 0 0
Joan Petrowski 45 364 8.09 34 42 66 9.34% 39.01% $184,058 $506 $4,090 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
Mark A. Hennig 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Joan Petrowski 47 414 8.81 44 55 67 10.63% 40.1% $221,526 $535 $4,713 0 0