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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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 1 4 4 0 0 1 0% 25% $4,050 $1,013 $4,050 0 0
Mark Passley 9 30 3.33 4 2 4 13.33% 33.33% $114,375 $3,813 $12,708 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 2 12 6 0 2 4 0% 50% $18,184 $1,515 $9,092 0 0
Mark Passley 6 30 5 2 3 3 6.67% 26.67% $58,140 $1,938 $9,690 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 3 24 8 2 3 2 8.33% 29.17% $33,929 $1,414 $11,310 0 0
Mark Passley 3 20 6.67 2 0 3 10% 25% $37,550 $1,878 $12,517 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 3 8 2.67 1 1 4 12.5% 75% $23,776 $2,972 $7,925 0 0
Mark Passley 10 24 2.4 2 2 2 8.33% 25% $44,530 $1,855 $4,453 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 7 28 4 3 3 5 10.71% 39.29% $49,785 $1,778 $7,112 0 0
Mark Passley 8 33 4.13 6 8 7 18.18% 63.64% $181,320 $5,495 $22,665 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 13 41 3.15 5 1 4 12.2% 24.39% $83,681 $2,041 $6,437 0 0
Mark Passley 12 39 3.25 3 4 1 7.69% 20.51% $56,530 $1,449 $4,711 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 19 105 5.53 10 13 9 9.52% 30.48% $249,913 $2,380 $13,153 0 0
Mark Passley 9 36 4 1 1 3 2.78% 13.89% $28,913 $803 $3,213 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 17 47 2.76 5 3 5 10.64% 27.66% $95,986 $2,042 $5,646 0 0
Mark Passley 10 45 4.5 2 4 6 4.44% 26.67% $83,403 $1,853 $8,340 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 7 7 1 0 0 0 0% 0% $3,080 $440 $440 0 0
Mark Passley 5 16 3.2 1 0 2 6.25% 18.75% $21,620 $1,351 $4,324 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Mark Passley 7 36 5.14 3 8 2 8.33% 36.11% $65,240 $1,812 $9,320 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Mark Passley 5 10 2 1 2 0 10% 30% $13,400 $1,340 $2,680 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Mark Passley 16 76 4.75 5 8 10 6.58% 30.26% $81,715 $1,075 $5,107 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 24 94 3.92 8 9 10 8.51% 28.72% $181,686 $1,933 $7,570 0 1
Mark Passley 16 64 4 5 6 12 7.81% 35.94% $85,451 $1,335 $5,341 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 35 135 3.86 15 20 14 11.11% 36.3% $123,696 $916 $3,534 0 0
Mark Passley 14 79 5.64 18 16 9 22.78% 54.43% $194,998 $2,468 $13,928 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 55 220 4 26 34 20 11.82% 36.36% $558,415 $2,538 $10,153 0 0
Mark Passley 25 114 4.56 14 19 15 12.28% 42.11% $270,417 $2,372 $10,817 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 48 186 3.88 30 31 20 16.13% 43.55% $413,662 $2,224 $8,618 0 1
Mark Passley 20 91 4.55 16 3 13 17.58% 35.16% $223,462 $2,456 $11,173 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 37 166 4.49 12 16 16 7.23% 26.51% $141,755 $854 $3,831 0 0
Mark Passley 24 121 5.04 6 11 17 4.96% 28.1% $115,697 $956 $4,821 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 36 156 4.33 16 17 18 10.26% 32.69% $237,629 $1,523 $6,601 0 0
Mark Passley 14 86 6.14 11 10 14 12.79% 40.7% $115,740 $1,346 $8,267 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 20 72 3.6 21 7 3 29.17% 43.06% $333,206 $4,628 $16,660 0 3
Mark Passley 16 65 4.06 9 8 8 13.85% 38.46% $116,618 $1,794 $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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 39 189 4.85 32 24 15 16.93% 37.57% $433,718 $2,295 $11,121 0 1
Mark Passley 17 73 4.29 7 7 6 9.59% 27.4% $126,425 $1,732 $7,437 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 66 248 3.76 43 41 35 17.34% 47.98% $650,461 $2,623 $9,855 0 0
Mark Passley 21 100 4.76 12 9 15 12% 36% $143,849 $1,438 $6,850 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 75 309 4.12 42 36 44 13.59% 39.48% $570,702 $1,847 $7,609 0 0
Mark Passley 17 104 6.12 11 13 16 10.58% 38.46% $100,177 $963 $5,893 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 67 362 5.4 49 61 42 13.54% 41.99% $718,510 $1,985 $10,724 0 0
Mark Passley 17 90 5.29 13 15 13 14.44% 45.56% $78,046 $867 $4,591 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 109 478 4.39 68 65 37 14.23% 35.56% $999,719 $2,091 $9,172 0 0
Mark Passley 11 41 3.73 8 6 5 19.51% 46.34% $52,553 $1,282 $4,778 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 111 433 3.9 77 75 40 17.78% 44.34% $1,221,075 $2,820 $11,001 0 0
Mark Passley 9 37 4.11 2 2 3 5.41% 18.92% $26,749 $723 $2,972 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 77 342 4.44 43 48 44 12.57% 39.47% $789,112 $2,307 $10,248 0 1
Mark Passley 10 39 3.9 3 5 4 7.69% 30.77% $39,082 $1,002 $3,908 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 106 451 4.25 54 60 67 11.97% 40.13% $796,550 $1,766 $7,515 0 1
Mark Passley 12 33 2.75 7 5 4 21.21% 48.48% $117,500 $3,561 $9,792 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 43 199 4.63 27 25 21 13.57% 36.68% $276,218 $1,388 $6,424 0 1
Mark Passley 10 50 5 8 6 1 16% 30% $88,473 $1,769 $8,847 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 54 217 4.02 34 32 31 15.67% 44.7% $454,590 $2,095 $8,418 0 0
Mark Passley 8 23 2.88 2 2 4 8.7% 34.78% $30,743 $1,337 $3,843 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 69 256 3.71 28 30 47 10.94% 41.02% $192,121 $750 $2,784 0 0
Mark Passley 4 16 4 2 1 1 12.5% 25% $11,462 $716 $2,866 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 32 164 5.13 35 29 17 21.34% 49.39% $265,006 $1,616 $8,281 0 3
Mark Passley 3 7 2.33 0 1 1 0% 28.57% $2,930 $419 $977 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 50 256 5.12 36 37 37 14.06% 42.97% $158,679 $620 $3,174 0 0
Mark Passley 1 3 3 0 0 0 0% 0% $490 $163 $490 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 33 197 5.97 39 28 32 19.8% 50.25% $130,822 $664 $3,964 0 1
Mark Passley 4 22 5.5 0 0 0 0% 0% $2,633 $120 $658 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 15 110 7.33 16 17 18 14.55% 46.36% $65,310 $594 $4,354 0 0
Mark Passley 8 33 4.13 2 3 3 6.06% 24.24% $26,100 $791 $3,263 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. 3.31 13.64% 40.9% $5,415 $17,925
Don Roberson 25 166 6.64 25 21 17 15.06% 37.95% $67,081 $404 $2,683 0 0
Mark Passley 1 1 1 0 0 0 0% 0% $55 $55 $55 0 0