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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
Ruben Leyba 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Marcos A. Serrano 4 26 6.5 1 1 5 3.85% 26.92% $10,470 $403 $2,618 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
Ruben Leyba 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Marcos A. Serrano 9 35 3.89 2 1 3 5.71% 17.14% $13,350 $381 $1,483 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
Ruben Leyba 1 1 1 0 0 0 0% 0% $0 $0 $0 0 0
Marcos A. Serrano 21 117 5.57 9 13 17 7.69% 33.33% $82,422 $704 $3,925 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
Ruben Leyba 1 7 7 0 0 0 0% 0% $1,263 $180 $1,263 0 0
Marcos A. Serrano 22 92 4.18 9 13 12 9.78% 36.96% $70,248 $764 $3,193 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
Ruben Leyba 2 6 3 0 0 0 0% 0% $2,494 $416 $1,247 0 0
Marcos A. Serrano 9 36 4 4 3 4 11.11% 30.56% $28,284 $786 $3,143 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
Ruben Leyba 8 15 1.88 0 1 0 0% 6.67% $6,826 $455 $853 0 0
Marcos A. Serrano 13 46 3.54 0 4 6 0% 21.74% $13,636 $296 $1,049 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
Ruben Leyba 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Marcos A. Serrano 4 25 6.25 3 2 2 12% 28% $16,200 $648 $4,050 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
Ruben Leyba 6 18 3 1 1 0 5.56% 11.11% $22,364 $1,242 $3,727 0 0
Marcos A. Serrano 11 59 5.36 5 4 7 8.47% 27.12% $35,812 $607 $3,256 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
Ruben Leyba 4 14 3.5 1 1 0 7.14% 14.29% $7,373 $527 $1,843 0 0
Marcos A. Serrano 6 51 8.5 2 10 4 3.92% 31.37% $29,380 $576 $4,897 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
Ruben Leyba 4 19 4.75 1 1 0 5.26% 10.53% $9,767 $514 $2,442 0 0
Marcos A. Serrano 9 38 4.22 3 4 5 7.89% 31.58% $26,237 $690 $2,915 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
Ruben Leyba 6 39 6.5 0 1 0 0% 2.56% $8,037 $206 $1,340 0 0
Marcos A. Serrano 24 77 3.21 6 11 8 7.79% 32.47% $45,772 $594 $1,907 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
Ruben Leyba 5 30 6 0 1 1 0% 6.67% $11,106 $370 $2,221 0 0
Marcos A. Serrano 9 46 5.11 6 7 9 13.04% 47.83% $33,333 $725 $3,704 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
Ruben Leyba 4 25 6.25 0 1 2 0% 12% $7,539 $302 $1,885 0 0
Marcos A. Serrano 8 41 5.13 7 7 5 17.07% 46.34% $28,609 $698 $3,576 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
Ruben Leyba 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Marcos A. Serrano 13 49 3.77 7 2 5 14.29% 28.57% $31,690 $647 $2,438 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
Ruben Leyba 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Marcos A. Serrano 8 56 7 4 10 4 7.14% 32.14% $59,235 $1,058 $7,404 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
Ruben Leyba 1 5 5 0 0 0 0% 0% $427 $85 $427 0 0
Marcos A. Serrano 11 65 5.91 6 7 7 9.23% 30.77% $59,752 $919 $5,432 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
Ruben Leyba 3 10 3.33 0 0 1 0% 10% $1,554 $155 $518 0 0
Marcos A. Serrano 9 71 7.89 4 9 8 5.63% 29.58% $37,872 $533 $4,208 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
Ruben Leyba 8 54 6.75 2 1 1 3.7% 7.41% $13,547 $251 $1,693 0 0
Marcos A. Serrano 9 60 6.67 4 6 5 6.67% 25% $37,010 $617 $4,112 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
Ruben Leyba 7 24 3.43 1 2 1 4.17% 16.67% $11,136 $464 $1,591 0 0
Marcos A. Serrano 5 11 2.2 0 1 1 0% 18.18% $3,666 $333 $733 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
Ruben Leyba 1 1 1 0 0 0 0% 0% $60 $60 $60 0 0
Marcos A. Serrano 21 136 6.48 9 16 20 6.62% 33.09% $94,136 $692 $4,483 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
Ruben Leyba 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Marcos A. Serrano 22 122 5.55 7 11 22 5.74% 32.79% $75,292 $617 $3,422 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
Ruben Leyba 2 7 3.5 0 0 0 0% 0% $1,688 $241 $844 0 0
Marcos A. Serrano 24 130 5.42 11 13 18 8.46% 32.31% $99,244 $763 $4,135 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
Ruben Leyba 2 7 3.5 0 0 1 0% 14.29% $1,704 $243 $852 0 0
Marcos A. Serrano 18 107 5.94 8 11 14 7.48% 30.84% $76,225 $712 $4,235 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
Ruben Leyba 2 4 2 0 0 0 0% 0% $0 $0 $0 0 0
Marcos A. Serrano 14 55 3.93 3 5 7 5.45% 27.27% $29,210 $531 $2,086 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
Ruben Leyba 2 11 5.5 1 3 0 9.09% 36.36% $14,045 $1,277 $7,023 0 0
Marcos A. Serrano 29 184 6.34 12 20 20 6.52% 28.26% $104,953 $570 $3,619 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
Ruben Leyba 4 7 1.75 0 0 0 0% 0% $480 $69 $120 0 0
Marcos A. Serrano 24 163 6.79 24 10 18 14.72% 31.9% $144,162 $884 $6,007 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
Ruben Leyba 5 14 2.8 0 0 1 0% 7.14% $1,795 $128 $359 0 0
Marcos A. Serrano 22 149 6.77 9 11 17 6.04% 24.83% $75,433 $506 $3,429 0 0