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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
Karl M. Grusmark 8 31 3.88 1 1 5 3.23% 22.58% $56,326 $1,817 $7,041 0 0
Mario Roberto Lopez 30 100 3.33 9 7 8 9% 24% $197,629 $1,976 $6,588 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
Karl M. Grusmark 11 62 5.64 3 5 5 4.84% 20.97% $108,143 $1,744 $9,831 0 0
Mario Roberto Lopez 31 93 3 9 6 11 9.68% 27.96% $197,398 $2,123 $6,368 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
Karl M. Grusmark 14 59 4.21 11 11 4 18.64% 44.07% $271,129 $4,595 $19,366 0 0
Mario Roberto Lopez 42 155 3.69 10 12 15 6.45% 23.87% $269,566 $1,739 $6,418 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
Karl M. Grusmark 21 110 5.24 10 17 15 9.09% 38.18% $246,348 $2,240 $11,731 0 0
Mario Roberto Lopez 39 141 3.62 13 20 16 9.22% 34.75% $269,586 $1,912 $6,912 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
Karl M. Grusmark 21 129 6.14 20 22 15 15.5% 44.19% $430,533 $3,337 $20,502 0 0
Mario Roberto Lopez 17 53 3.12 6 3 2 11.32% 20.75% $114,179 $2,154 $6,716 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
Karl M. Grusmark 24 114 4.75 15 16 15 13.16% 40.35% $345,231 $3,028 $14,385 0 0
Mario Roberto Lopez 8 12 1.5 2 0 2 16.67% 33.33% $33,955 $2,830 $4,244 0 0