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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
David Oyola 8 18 2.25 1 2 5 5.56% 44.44% $27,770 $1,543 $3,471 0 0
Demelza McMahon 1 1 1 0 0 0 0% 0% $1,020 $1,020 $1,020 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
David Oyola 10 76 7.6 13 14 11 17.11% 50% $222,608 $2,929 $22,261 0 0
Demelza McMahon 11 18 1.64 2 4 3 11.11% 50% $67,218 $3,734 $6,111 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
David Oyola 9 78 8.67 5 14 20 6.41% 50% $137,575 $1,764 $15,286 0 0
Demelza McMahon 18 37 2.06 8 4 2 21.62% 37.84% $139,955 $3,783 $7,775 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
David Oyola 9 51 5.67 6 8 9 11.76% 45.1% $114,218 $2,240 $12,691 0 0
Demelza McMahon 20 26 1.3 3 2 7 11.54% 46.15% $59,721 $2,297 $2,986 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
David Oyola 6 38 6.33 7 5 6 18.42% 47.37% $125,765 $3,310 $20,961 0 0
Demelza McMahon 43 114 2.65 30 28 18 26.32% 66.67% $533,245 $4,678 $12,401 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
David Oyola 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Demelza McMahon 50 106 2.12 35 23 11 33.02% 65.09% $551,592 $5,204 $11,032 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
David Oyola 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Demelza McMahon 39 112 2.87 25 20 15 22.32% 53.57% $350,034 $3,125 $8,975 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
David Oyola 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Demelza McMahon 29 48 1.66 8 11 5 16.67% 50% $132,661 $2,764 $4,575 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
David Oyola 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Demelza McMahon 45 79 1.76 14 13 13 17.72% 50.63% $237,111 $3,001 $5,269 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
David Oyola 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Demelza McMahon 46 115 2.5 25 20 18 21.74% 54.78% $475,067 $4,131 $10,328 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
David Oyola 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Demelza McMahon 21 28 1.33 6 2 4 21.43% 42.86% $97,737 $3,491 $4,654 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
David Oyola 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Demelza McMahon 38 52 1.37 12 11 8 23.08% 59.62% $197,390 $3,796 $5,194 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
David Oyola 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Demelza McMahon 24 40 1.67 12 9 3 30% 60% $156,187 $3,905 $6,508 0 0