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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
Javier Jose Sierra 3 16 5.33 0 2 1 0% 18.75% $32,240 $2,015 $10,747 0 0
Charles A. Frock 18 68 3.78 5 7 6 7.35% 26.47% $222,709 $3,275 $12,373 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
Javier Jose Sierra 7 20 2.86 2 1 1 10% 20% $52,250 $2,613 $7,464 0 0
Charles A. Frock 18 94 5.22 4 14 9 4.26% 28.72% $184,146 $1,959 $10,230 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
Javier Jose Sierra 3 7 2.33 0 0 0 0% 0% $5,480 $783 $1,827 0 0
Charles A. Frock 23 115 5 12 17 11 10.43% 34.78% $392,806 $3,416 $17,079 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
Javier Jose Sierra 2 15 7.5 1 1 2 6.67% 26.67% $80,020 $5,335 $40,010 0 0
Charles A. Frock 20 69 3.45 7 5 10 10.14% 31.88% $224,915 $3,260 $11,246 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
Javier Jose Sierra 4 10 2.5 0 0 0 0% 0% $10,360 $1,036 $2,590 0 0
Charles A. Frock 11 64 5.82 6 6 10 9.38% 34.38% $244,499 $3,820 $22,227 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
Javier Jose Sierra 9 40 4.44 2 2 3 5% 17.5% $50,660 $1,267 $5,629 0 0
Charles A. Frock 11 66 6 10 10 9 15.15% 43.94% $299,529 $4,538 $27,230 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
Javier Jose Sierra 14 54 3.86 1 5 6 1.85% 22.22% $105,510 $1,954 $7,536 0 0
Charles A. Frock 5 22 4.4 2 4 4 9.09% 45.45% $64,117 $2,914 $12,823 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
Javier Jose Sierra 19 61 3.21 5 6 5 8.2% 26.23% $218,007 $3,574 $11,474 0 0
Charles A. Frock 8 50 6.25 5 5 9 10% 38% $177,931 $3,559 $22,241 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
Javier Jose Sierra 17 90 5.29 10 7 9 11.11% 28.89% $362,005 $4,022 $21,294 0 0
Charles A. Frock 6 28 4.67 4 2 0 14.29% 21.43% $74,375 $2,656 $12,396 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
Javier Jose Sierra 15 79 5.27 2 10 10 2.53% 27.85% $245,407 $3,106 $16,360 0 0
Charles A. Frock 1 3 3 0 0 1 0% 33.33% $2,720 $907 $2,720 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
Javier Jose Sierra 22 95 4.32 5 15 10 5.26% 31.58% $325,281 $3,424 $14,786 0 0
Charles A. Frock 6 37 6.17 2 4 2 5.41% 21.62% $31,955 $864 $5,326 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
Javier Jose Sierra 25 95 3.8 7 11 13 7.37% 32.63% $254,908 $2,683 $10,196 0 0
Charles A. Frock 6 17 2.83 3 7 1 17.65% 64.71% $62,369 $3,669 $10,395 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
Javier Jose Sierra 21 109 5.19 13 13 11 11.93% 33.94% $318,346 $2,921 $15,159 0 0
Charles A. Frock 5 15 3 1 2 2 6.67% 33.33% $25,561 $1,704 $5,112 0 0