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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
Joan Petrowski 14 52 3.71 2 8 12 3.85% 42.31% $51,722 $995 $3,694 0 0
Nathan Squires 16 38 2.38 4 5 4 10.53% 34.21% $142,271 $3,744 $8,892 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
Joan Petrowski 21 115 5.48 9 21 16 7.83% 40% $166,562 $1,448 $7,932 0 0
Nathan Squires 22 110 5 15 11 17 13.64% 39.09% $493,016 $4,482 $22,410 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
Joan Petrowski 10 61 6.1 8 10 10 13.11% 45.9% $97,693 $1,602 $9,769 0 0
Nathan Squires 22 86 3.91 10 8 16 11.63% 39.53% $411,614 $4,786 $18,710 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
Joan Petrowski 20 85 4.25 3 6 10 3.53% 22.35% $41,634 $490 $2,082 0 0
Nathan Squires 17 70 4.12 5 4 9 7.14% 25.71% $186,477 $2,664 $10,969 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
Joan Petrowski 28 157 5.61 11 13 17 7.01% 26.11% $100,532 $640 $3,590 0 0
Nathan Squires 15 87 5.8 7 7 14 8.05% 32.18% $470,164 $5,404 $31,344 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
Joan Petrowski 28 160 5.71 23 15 19 14.38% 35.63% $154,285 $964 $5,510 0 0
Nathan Squires 11 47 4.27 5 2 9 10.64% 34.04% $206,668 $4,397 $18,788 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
Joan Petrowski 33 137 4.15 4 12 9 2.92% 18.25% $63,214 $461 $1,916 0 0
Nathan Squires 7 29 4.14 5 2 3 17.24% 34.48% $220,657 $7,609 $31,522 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
Joan Petrowski 40 198 4.95 20 16 24 10.1% 30.3% $177,254 $895 $4,431 0 0
Nathan Squires 4 18 4.5 2 1 0 11.11% 16.67% $48,030 $2,668 $12,008 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
Joan Petrowski 38 205 5.39 13 20 28 6.34% 29.76% $205,425 $1,002 $5,406 0 0
Nathan Squires 7 46 6.57 4 3 5 8.7% 26.09% $100,949 $2,195 $14,421 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
Joan Petrowski 58 306 5.28 20 33 30 6.54% 27.12% $304,412 $995 $5,248 0 0
Nathan Squires 9 44 4.89 2 2 5 4.55% 20.45% $79,930 $1,817 $8,881 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
Joan Petrowski 50 279 5.58 25 27 39 8.96% 32.62% $287,844 $1,032 $5,757 0 0
Nathan Squires 9 46 5.11 2 8 5 4.35% 32.61% $107,705 $2,341 $11,967 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
Joan Petrowski 64 344 5.38 27 39 36 7.85% 29.65% $359,983 $1,046 $5,625 0 0
Nathan Squires 12 50 4.17 3 7 8 6% 36% $114,513 $2,290 $9,543 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
Joan Petrowski 66 380 5.76 36 47 46 9.47% 33.95% $497,648 $1,310 $7,540 0 0
Nathan Squires 11 44 4 4 2 9 9.09% 34.09% $145,359 $3,304 $13,214 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
Joan Petrowski 60 297 4.95 29 37 50 9.76% 39.06% $367,932 $1,239 $6,132 0 0
Nathan Squires 7 22 3.14 2 2 4 9.09% 36.36% $102,881 $4,676 $14,697 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
Joan Petrowski 59 341 5.78 34 40 42 9.97% 34.02% $744,267 $2,183 $12,615 1 5
Nathan Squires 25 109 4.36 19 10 13 17.43% 38.53% $281,270 $2,580 $11,251 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
Joan Petrowski 55 328 5.96 48 45 34 14.63% 38.72% $729,707 $2,225 $13,267 0 6
Nathan Squires 20 80 4 11 14 8 13.75% 41.25% $215,232 $2,690 $10,762 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
Joan Petrowski 56 294 5.25 23 34 49 7.82% 36.05% $420,778 $1,431 $7,514 0 1
Nathan Squires 18 47 2.61 8 6 6 17.02% 42.55% $91,277 $1,942 $5,071 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
Joan Petrowski 62 308 4.97 36 40 30 11.69% 34.42% $426,913 $1,386 $6,886 0 1
Nathan Squires 13 60 4.62 6 5 8 10% 31.67% $65,717 $1,095 $5,055 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
Joan Petrowski 54 283 5.24 26 29 39 9.19% 33.22% $427,958 $1,512 $7,925 0 2
Nathan Squires 30 107 3.57 11 16 16 10.28% 40.19% $155,026 $1,449 $5,168 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
Joan Petrowski 48 247 5.15 23 35 26 9.31% 34.01% $593,958 $2,405 $12,374 1 3
Nathan Squires 11 29 2.64 4 4 5 13.79% 44.83% $44,911 $1,549 $4,083 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
Joan Petrowski 43 240 5.58 24 22 24 10% 29.17% $288,191 $1,201 $6,702 0 1
Nathan Squires 18 63 3.5 6 4 9 9.52% 30.16% $74,831 $1,188 $4,157 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
Joan Petrowski 58 288 4.97 16 18 27 5.56% 21.18% $176,550 $613 $3,044 0 0
Nathan Squires 20 59 2.95 9 7 6 15.25% 37.29% $100,178 $1,698 $5,009 0 0