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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
Domingo Chacaltana 7 38 5.43 5 6 4 13.16% 39.47% $93,312 $2,456 $13,330 0 0
Michael Charles Aro 8 22 2.75 0 4 2 0% 27.27% $35,400 $1,609 $4,425 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
Domingo Chacaltana 7 16 2.29 1 2 0 6.25% 18.75% $18,749 $1,172 $2,678 0 0
Michael Charles Aro 12 78 6.5 7 5 7 8.97% 24.36% $202,148 $2,592 $16,846 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
Domingo Chacaltana 9 39 4.33 3 3 5 7.69% 28.21% $62,359 $1,599 $6,929 0 0
Michael Charles Aro 13 65 5 2 3 8 3.08% 20% $106,105 $1,632 $8,162 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
Domingo Chacaltana 10 41 4.1 4 3 6 9.76% 31.71% $81,698 $1,993 $8,170 0 0
Michael Charles Aro 9 53 5.89 2 3 4 3.77% 16.98% $87,936 $1,659 $9,771 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
Domingo Chacaltana 11 57 5.18 6 8 9 10.53% 40.35% $147,768 $2,592 $13,433 0 0
Michael Charles Aro 15 52 3.47 3 2 3 5.77% 15.38% $83,030 $1,597 $5,535 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
Domingo Chacaltana 11 38 3.45 1 2 4 2.63% 18.42% $72,944 $1,920 $6,631 0 0
Michael Charles Aro 13 62 4.77 8 8 9 12.9% 40.32% $196,328 $3,167 $15,102 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
Domingo Chacaltana 15 64 4.27 3 5 9 4.69% 26.56% $83,839 $1,310 $5,589 0 0
Michael Charles Aro 16 55 3.44 3 3 2 5.45% 14.55% $69,961 $1,272 $4,373 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
Domingo Chacaltana 16 120 7.5 11 14 19 9.17% 36.67% $169,657 $1,414 $10,604 0 0
Michael Charles Aro 24 97 4.04 4 8 11 4.12% 23.71% $168,009 $1,732 $7,000 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
Domingo Chacaltana 9 113 12.56 10 18 15 8.85% 38.05% $156,303 $1,383 $17,367 0 0
Michael Charles Aro 42 126 3 7 19 8 5.56% 26.98% $322,248 $2,558 $7,673 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
Domingo Chacaltana 18 135 7.5 6 14 22 4.44% 31.11% $86,221 $639 $4,790 0 0
Michael Charles Aro 32 166 5.19 17 25 21 10.24% 37.95% $559,561 $3,371 $17,486 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
Domingo Chacaltana 19 164 8.63 8 19 39 4.88% 40.24% $158,697 $968 $8,352 0 0
Michael Charles Aro 22 117 5.32 16 11 17 13.68% 37.61% $559,411 $4,781 $25,428 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
Domingo Chacaltana 10 95 9.5 14 8 17 14.74% 41.05% $134,168 $1,412 $13,417 0 0
Michael Charles Aro 25 127 5.08 13 12 19 10.24% 34.65% $441,265 $3,475 $17,651 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
Domingo Chacaltana 9 25 2.78 10 1 3 40% 56% $37,250 $1,490 $4,139 0 0
Michael Charles Aro 26 124 4.77 16 14 11 12.9% 33.06% $551,876 $4,451 $21,226 0 3

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
Domingo Chacaltana 7 37 5.29 9 9 2 24.32% 54.05% $82,500 $2,230 $11,786 0 0
Michael Charles Aro 23 103 4.48 11 12 6 10.68% 28.16% $400,656 $3,890 $17,420 0 3

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
Domingo Chacaltana 5 24 4.8 3 3 3 12.5% 37.5% $18,195 $758 $3,639 0 0
Michael Charles Aro 33 143 4.33 14 16 15 9.79% 31.47% $733,967 $5,133 $22,241 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
Domingo Chacaltana 4 11 2.75 1 2 1 9.09% 36.36% $14,349 $1,304 $3,587 0 0
Michael Charles Aro 37 151 4.08 15 27 21 9.93% 41.72% $650,011 $4,305 $17,568 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
Domingo Chacaltana 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Michael Charles Aro 35 132 3.77 15 19 21 11.36% 41.67% $492,587 $3,732 $14,074 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
Domingo Chacaltana 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Michael Charles Aro 33 126 3.82 8 17 13 6.35% 30.16% $343,571 $2,727 $10,411 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
Domingo Chacaltana 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Michael Charles Aro 32 127 3.97 9 18 9 7.09% 28.35% $279,916 $2,204 $8,747 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
Domingo Chacaltana 1 1 1 0 0 0 0% 0% $66 $66 $66 0 0
Michael Charles Aro 26 103 3.96 12 12 14 11.65% 36.89% $204,065 $1,981 $7,849 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
Domingo Chacaltana 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Michael Charles Aro 24 124 5.17 11 22 15 8.87% 38.71% $188,203 $1,518 $7,842 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
Domingo Chacaltana 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Michael Charles Aro 30 140 4.67 19 14 16 13.57% 35% $195,717 $1,398 $6,524 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
Domingo Chacaltana 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Michael Charles Aro 26 162 6.23 15 28 19 9.26% 38.27% $213,906 $1,320 $8,227 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
Domingo Chacaltana 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Michael Charles Aro 52 252 4.85 31 29 32 12.3% 36.51% $426,840 $1,694 $8,208 0 2

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
Domingo Chacaltana 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Michael Charles Aro 41 230 5.61 32 30 27 13.91% 38.7% $391,779 $1,703 $9,556 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
Domingo Chacaltana 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Michael Charles Aro 38 258 6.79 36 36 31 13.95% 39.92% $459,347 $1,780 $12,088 0 2

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
Domingo Chacaltana 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Michael Charles Aro 32 242 7.56 35 28 28 14.46% 37.6% $369,624 $1,527 $11,551 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
Domingo Chacaltana 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Michael Charles Aro 34 265 7.79 32 36 29 12.08% 36.6% $331,682 $1,252 $9,755 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
Domingo Chacaltana 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Michael Charles Aro 33 233 7.06 36 23 32 15.45% 39.06% $383,457 $1,646 $11,620 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
Domingo Chacaltana 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Michael Charles Aro 37 262 7.08 40 34 35 15.27% 41.6% $411,192 $1,569 $11,113 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
Domingo Chacaltana 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Michael Charles Aro 34 346 10.18 42 57 56 12.14% 44.8% $424,231 $1,226 $12,477 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
Domingo Chacaltana 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Michael Charles Aro 36 249 6.92 31 29 31 12.45% 36.55% $286,526 $1,151 $7,959 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
Domingo Chacaltana 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Michael Charles Aro 30 206 6.87 30 25 21 14.56% 36.89% $295,878 $1,436 $9,863 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
Domingo Chacaltana 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Michael Charles Aro 37 300 8.11 45 33 39 15% 39% $355,089 $1,184 $9,597 0 2

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
Domingo Chacaltana 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Michael Charles Aro 42 324 7.71 47 41 48 14.51% 41.98% $301,939 $932 $7,189 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
Domingo Chacaltana 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Michael Charles Aro 46 363 7.89 54 59 44 14.88% 43.25% $332,372 $916 $7,225 0 0