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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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kenneth G. McPeek 99 240 2.42 34 29 39 14.17% 42.5% $4,335,968 $18,067 $43,798 2 4
Aidan P. O'Brien 8 10 1.25 3 0 0 30% 30% $2,861,000 $286,100 $357,625 3 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kenneth G. McPeek 174 655 3.76 83 102 75 12.67% 39.69% $10,772,918 $16,447 $61,913 7 18
Aidan P. O'Brien 11 12 1.09 4 2 1 33.33% 58.33% $4,252,500 $354,375 $386,591 4 4

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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kenneth G. McPeek 146 525 3.6 83 65 68 15.81% 41.14% $9,324,801 $17,762 $63,869 5 16
Aidan P. O'Brien 9 13 1.44 3 1 2 23.08% 46.15% $3,253,500 $250,269 $361,500 3 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kenneth G. McPeek 136 431 3.17 62 52 59 14.39% 40.14% $7,013,518 $16,273 $51,570 9 17
Aidan P. O'Brien 11 18 1.64 3 2 1 16.67% 33.33% $2,614,228 $145,235 $237,657 3 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kenneth G. McPeek 123 409 3.33 67 42 54 16.38% 39.85% $5,171,199 $12,644 $42,042 8 14
Aidan P. O'Brien 12 13 1.08 1 5 1 7.69% 53.85% $3,249,000 $249,923 $270,750 1 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kenneth G. McPeek 111 387 3.49 48 51 52 12.4% 39.02% $3,519,481 $9,094 $31,707 2 4
Aidan P. O'Brien 21 33 1.57 0 5 4 0% 27.27% $2,857,247 $86,583 $136,059 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kenneth G. McPeek 107 452 4.22 65 70 62 14.38% 43.58% $5,391,378 $11,928 $50,387 8 11
Aidan P. O'Brien 22 36 1.64 2 2 4 5.56% 22.22% $3,674,400 $102,067 $167,018 2 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kenneth G. McPeek 114 471 4.13 54 56 82 11.46% 40.76% $4,447,522 $9,443 $39,013 5 13
Aidan P. O'Brien 25 34 1.36 2 5 4 5.88% 32.35% $3,855,623 $113,401 $154,225 1 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kenneth G. McPeek 81 320 3.95 50 40 40 15.63% 40.63% $2,676,381 $8,364 $33,042 3 8
Aidan P. O'Brien 18 23 1.28 2 2 3 8.7% 30.43% $4,176,822 $181,601 $232,046 2 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kenneth G. McPeek 83 347 4.18 50 44 54 14.41% 42.65% $3,042,731 $8,769 $36,659 1 2
Aidan P. O'Brien 11 12 1.09 3 1 1 25% 41.67% $2,789,003 $232,417 $253,546 3 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kenneth G. McPeek 117 477 4.08 74 60 61 15.51% 40.88% $4,272,776 $8,958 $36,519 7 10
Aidan P. O'Brien 13 15 1.15 1 2 0 6.67% 20% $1,186,520 $79,101 $91,271 1 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kenneth G. McPeek 117 407 3.48 62 75 44 15.23% 44.47% $5,148,876 $12,651 $44,007 3 13
Aidan P. O'Brien 11 13 1.18 3 1 1 23.08% 38.46% $6,564,667 $504,974 $596,788 3 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kenneth G. McPeek 128 523 4.09 75 82 69 14.34% 43.21% $4,903,939 $9,377 $38,312 5 10
Aidan P. O'Brien 14 22 1.57 2 2 2 9.09% 27.27% $4,298,711 $195,396 $307,051 2 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kenneth G. McPeek 140 541 3.86 84 87 80 15.53% 46.4% $3,994,070 $7,383 $28,529 6 11
Aidan P. O'Brien 17 25 1.47 7 2 2 28% 44% $5,351,315 $214,053 $314,783 7 7

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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kenneth G. McPeek 131 434 3.31 68 67 61 15.67% 45.16% $3,829,437 $8,824 $29,232 4 10
Aidan P. O'Brien 6 6 1 1 0 0 16.67% 16.67% $1,219,174 $203,196 $203,196 1 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kenneth G. McPeek 153 549 3.59 103 73 80 18.76% 46.63% $4,976,106 $9,064 $32,524 4 8
Aidan P. O'Brien 9 9 1 1 1 0 11.11% 22.22% $406,800 $45,200 $45,200 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kenneth G. McPeek 124 417 3.36 96 62 57 23.02% 51.56% $4,194,572 $10,059 $33,827 2 5
Aidan P. O'Brien 10 10 1 0 4 1 0% 50% $1,838,850 $183,885 $183,885 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kenneth G. McPeek 93 397 4.27 63 52 67 15.87% 45.84% $2,865,159 $7,217 $30,808 1 5
Aidan P. O'Brien 9 9 1 0 2 0 0% 22.22% $891,664 $99,074 $99,074 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kenneth G. McPeek 46 144 3.13 25 16 23 17.36% 44.44% $1,364,280 $9,474 $29,658 1 2
Aidan P. O'Brien 8 11 1.38 1 1 2 9.09% 36.36% $760,796 $69,163 $95,100 1 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kenneth G. McPeek 57 163 2.86 15 24 18 9.2% 34.97% $1,148,454 $7,046 $20,148 1 2
Aidan P. O'Brien 10 17 1.7 2 1 1 11.76% 23.53% $1,911,847 $112,462 $191,185 2 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kenneth G. McPeek 92 414 4.5 74 72 49 17.87% 47.1% $3,720,571 $8,987 $40,441 4 11
Aidan P. O'Brien 0 0 0 0 0 0 0% 0% $0 $0 $0 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kenneth G. McPeek 110 400 3.64 61 61 57 15.25% 44.75% $3,647,975 $9,120 $33,163 6 14
Aidan P. O'Brien 10 15 1.5 2 3 3 13.33% 53.33% $2,528,032 $168,535 $252,803 2 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kenneth G. McPeek 116 469 4.04 81 69 57 17.27% 44.14% $6,647,289 $14,173 $57,304 12 19
Aidan P. O'Brien 12 15 1.25 3 2 2 20% 46.67% $3,307,391 $220,493 $275,616 3 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kenneth G. McPeek 91 342 3.76 55 50 40 16.08% 42.4% $2,673,453 $7,817 $29,379 4 8
Aidan P. O'Brien 10 16 1.6 2 2 2 12.5% 37.5% $2,045,375 $127,836 $204,538 2 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kenneth G. McPeek 59 274 4.64 42 33 29 15.33% 37.96% $1,858,377 $6,782 $31,498 2 5
Aidan P. O'Brien 10 13 1.3 2 2 0 15.38% 30.77% $1,850,856 $142,374 $185,086 2 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kenneth G. McPeek 46 216 4.7 33 25 32 15.28% 41.67% $1,410,338 $6,529 $30,660 0 5
Aidan P. O'Brien 5 5 1 0 0 1 0% 20% $81,920 $16,384 $16,384 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kenneth G. McPeek 52 195 3.75 30 29 21 15.38% 41.03% $963,902 $4,943 $18,537 0 5
Aidan P. O'Brien 1 1 1 0 0 0 0% 0% $0 $0 $0 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kenneth G. McPeek 83 369 4.45 51 48 39 13.82% 37.4% $1,180,069 $3,198 $14,218 1 2
Aidan P. O'Brien 1 1 1 0 0 0 0% 0% $0 $0 $0 0 0