Skip to:

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
Mary Rowan 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Filiberto Quiroz 30 88 2.93 10 10 11 11.36% 35.23% $225,422 $2,562 $7,514 0 0
Bonnie Birzer 16 47 2.94 10 7 8 21.28% 53.19% $115,640 $2,460 $7,228 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
Mary Rowan 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Filiberto Quiroz 31 185 5.97 21 19 24 11.35% 34.59% $605,998 $3,276 $19,548 0 0
Bonnie Birzer 38 161 4.24 24 28 18 14.91% 43.48% $589,153 $3,659 $15,504 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
Mary Rowan 3 5 1.67 1 2 0 20% 60% $27,420 $5,484 $9,140 0 0
Filiberto Quiroz 25 150 6 12 22 17 8% 34% $583,909 $3,893 $23,356 0 1
Bonnie Birzer 35 186 5.31 33 28 35 17.74% 51.61% $561,808 $3,020 $16,052 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
Mary Rowan 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Filiberto Quiroz 10 38 3.8 5 5 9 13.16% 50% $137,004 $3,605 $13,700 0 0
Bonnie Birzer 15 73 4.87 10 17 12 13.7% 53.42% $280,474 $3,842 $18,698 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
Mary Rowan 1 2 2 0 0 1 0% 50% $4,700 $2,350 $4,700 0 0
Filiberto Quiroz 8 32 4 4 3 2 12.5% 28.13% $87,201 $2,725 $10,900 0 0
Bonnie Birzer 7 25 3.57 3 2 4 12% 36% $70,803 $2,832 $10,115 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
Mary Rowan 1 4 4 0 2 0 0% 50% $14,102 $3,526 $14,102 0 0
Filiberto Quiroz 11 74 6.73 6 12 12 8.11% 40.54% $82,651 $1,117 $7,514 0 0
Bonnie Birzer 1 3 3 0 2 0 0% 66.67% $7,296 $2,432 $7,296 0 0