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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
Jonathan Nance 7 15 2.14 1 2 5 6.67% 53.33% $38,385 $2,559 $5,484 0 0
Mario Serey, Jr. 6 10 1.67 0 0 2 0% 20% $9,130 $913 $1,522 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
Jonathan Nance 12 72 6 5 6 13 6.94% 33.33% $199,193 $2,767 $16,599 0 0
Mario Serey, Jr. 21 129 6.14 14 16 18 10.85% 37.21% $326,005 $2,527 $15,524 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
Jonathan Nance 16 85 5.31 5 11 10 5.88% 30.59% $183,980 $2,164 $11,499 0 0
Mario Serey, Jr. 61 408 6.69 54 54 57 13.24% 40.44% $1,277,959 $3,132 $20,950 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
Jonathan Nance 15 73 4.87 4 10 8 5.48% 30.14% $186,571 $2,556 $12,438 0 0
Mario Serey, Jr. 48 350 7.29 40 51 47 11.43% 39.43% $1,264,765 $3,614 $26,349 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Jonathan Nance 12 59 4.92 1 3 5 1.69% 15.25% $85,855 $1,455 $7,155 0 0
Mario Serey, Jr. 51 316 6.2 45 46 43 14.24% 42.41% $1,465,068 $4,636 $28,727 0 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Jonathan Nance 22 92 4.18 8 13 10 8.7% 33.7% $183,246 $1,992 $8,329 0 0
Mario Serey, Jr. 34 216 6.35 32 32 30 14.81% 43.52% $742,041 $3,435 $21,825 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
Jonathan Nance 24 92 3.83 7 13 7 7.61% 29.35% $113,239 $1,231 $4,718 0 0
Mario Serey, Jr. 21 122 5.81 20 11 20 16.39% 41.8% $377,412 $3,094 $17,972 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. 4 13.53% 40.55% $5,513 $22,031
Jonathan Nance 39 149 3.82 19 19 23 12.75% 40.94% $240,118 $1,612 $6,157 0 0
Mario Serey, Jr. 10 17 1.7 2 4 2 11.76% 47.06% $46,660 $2,745 $4,666 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
Jonathan Nance 56 230 4.11 42 47 40 18.26% 56.09% $356,458 $1,550 $6,365 0 0
Mario Serey, Jr. 62 309 4.98 27 44 34 8.74% 33.98% $627,638 $2,031 $10,123 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
Jonathan Nance 52 225 4.33 57 39 35 25.33% 58.22% $409,712 $1,821 $7,879 0 0
Mario Serey, Jr. 81 350 4.32 37 43 60 10.57% 40% $1,333,005 $3,809 $16,457 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
Jonathan Nance 53 212 4 33 31 30 15.57% 44.34% $285,665 $1,347 $5,390 0 1
Mario Serey, Jr. 110 547 4.97 94 78 61 17.18% 42.6% $2,871,013 $5,249 $26,100 0 5

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
Jonathan Nance 55 236 4.29 32 37 31 13.56% 42.37% $301,643 $1,278 $5,484 0 0
Mario Serey, Jr. 77 443 5.75 56 57 57 12.64% 38.37% $1,633,828 $3,688 $21,219 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
Jonathan Nance 48 205 4.27 26 45 35 12.68% 51.71% $287,107 $1,401 $5,981 0 0
Mario Serey, Jr. 70 460 6.57 67 75 56 14.57% 43.04% $1,942,457 $4,223 $27,749 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
Jonathan Nance 43 223 5.19 44 37 36 19.73% 52.47% $336,245 $1,508 $7,820 0 0
Mario Serey, Jr. 37 251 6.78 42 42 38 16.73% 48.61% $1,187,416 $4,731 $32,092 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
Jonathan Nance 82 361 4.4 83 57 55 22.99% 54.02% $393,125 $1,089 $4,794 0 0
Mario Serey, Jr. 16 141 8.81 11 12 18 7.8% 29.08% $440,797 $3,126 $27,550 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
Jonathan Nance 55 294 5.35 52 59 51 17.69% 55.1% $270,684 $921 $4,922 0 0
Mario Serey, Jr. 20 132 6.6 8 15 14 6.06% 28.03% $335,505 $2,542 $16,775 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
Jonathan Nance 81 352 4.35 72 61 43 20.45% 50% $404,102 $1,148 $4,989 0 1
Mario Serey, Jr. 30 147 4.9 9 21 20 6.12% 34.01% $425,115 $2,892 $14,171 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
Jonathan Nance 70 282 4.03 48 50 38 17.02% 48.23% $230,812 $818 $3,297 0 0
Mario Serey, Jr. 22 87 3.95 13 14 11 14.94% 43.68% $374,499 $4,305 $17,023 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
Jonathan Nance 75 320 4.27 65 52 47 20.31% 51.25% $387,182 $1,210 $5,162 0 0
Mario Serey, Jr. 4 9 2.25 0 1 0 0% 11.11% $7,520 $836 $1,880 0 0