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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 $22,032
Arnulfo Rangel 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Dale Koler 1 4 4 0 0 0 0% 0% $830 $208 $830 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 $22,032
Arnulfo Rangel 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Dale Koler 1 2 2 1 0 1 50% 100% $7,878 $3,939 $7,878 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 $22,032
Arnulfo Rangel 3 40 13.33 3 3 6 7.5% 30% $50,138 $1,253 $16,713 0 0
Dale Koler 3 8 2.67 1 3 2 12.5% 75% $13,665 $1,708 $4,555 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 $22,032
Arnulfo Rangel 4 25 6.25 2 0 1 8% 12% $14,507 $580 $3,627 0 0
Dale Koler 2 9 4.5 1 2 4 11.11% 77.78% $11,431 $1,270 $5,716 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 $22,032
Arnulfo Rangel 5 14 2.8 0 1 1 0% 14.29% $5,202 $372 $1,040 0 0
Dale Koler 3 10 3.33 2 2 1 20% 50% $12,301 $1,230 $4,100 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 $22,032
Arnulfo Rangel 3 26 8.67 3 3 4 11.54% 38.46% $44,005 $1,693 $14,668 0 0
Dale Koler 3 6 2 0 1 0 0% 16.67% $2,400 $400 $800 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 $22,032
Arnulfo Rangel 8 43 5.38 1 5 4 2.33% 23.26% $31,674 $737 $3,959 0 0
Dale Koler 1 5 5 1 0 1 20% 40% $5,080 $1,016 $5,080 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 $22,032
Arnulfo Rangel 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Dale Koler 2 7 3.5 1 1 0 14.29% 28.57% $6,750 $964 $3,375 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 $22,032
Arnulfo Rangel 8 47 5.88 3 6 8 6.38% 36.17% $40,089 $853 $5,011 0 0
Dale Koler 2 9 4.5 0 1 0 0% 11.11% $4,278 $475 $2,139 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 $22,032
Arnulfo Rangel 10 71 7.1 4 11 7 5.63% 30.99% $47,479 $669 $4,748 0 0
Dale Koler 3 16 5.33 0 0 2 0% 12.5% $5,595 $350 $1,865 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 $22,032
Arnulfo Rangel 5 24 4.8 3 3 3 12.5% 37.5% $28,867 $1,203 $5,773 0 0
Dale Koler 2 12 6 1 2 1 8.33% 33.33% $7,420 $618 $3,710 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 $22,032
Arnulfo Rangel 1 1 1 0 0 0 0% 0% $0 $0 $0 0 0
Dale Koler 5 24 4.8 2 4 2 8.33% 33.33% $16,537 $689 $3,307 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 $22,032
Arnulfo Rangel 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Dale Koler 2 10 5 2 2 1 20% 50% $10,434 $1,043 $5,217 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 $22,032
Arnulfo Rangel 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Dale Koler 3 19 6.33 2 0 5 10.53% 36.84% $10,304 $542 $3,435 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 $22,032
Arnulfo Rangel 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Dale Koler 3 12 4 1 1 1 8.33% 25% $5,595 $466 $1,865 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 $22,032
Arnulfo Rangel 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Dale Koler 2 14 7 0 1 1 0% 14.29% $4,392 $314 $2,196 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 $22,032
Arnulfo Rangel 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Dale Koler 2 15 7.5 0 1 0 0% 6.67% $2,489 $166 $1,245 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 $22,032
Arnulfo Rangel 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Dale Koler 2 12 6 3 2 4 25% 75% $19,185 $1,599 $9,593 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 $22,032
Arnulfo Rangel 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Dale Koler 2 11 5.5 0 3 0 0% 27.27% $4,932 $448 $2,466 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 $22,032
Arnulfo Rangel 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Dale Koler 2 12 6 3 0 0 25% 25% $11,527 $961 $5,764 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 $22,032
Arnulfo Rangel 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Dale Koler 2 9 4.5 1 0 0 11.11% 11.11% $3,347 $372 $1,674 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 $22,032
Arnulfo Rangel 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Dale Koler 3 16 5.33 0 1 1 0% 12.5% $2,259 $141 $753 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 $22,032
Arnulfo Rangel 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Dale Koler 5 27 5.4 2 1 1 7.41% 14.81% $11,011 $408 $2,202 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 $22,032
Arnulfo Rangel 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Dale Koler 2 17 8.5 1 1 4 5.88% 35.29% $7,492 $441 $3,746 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 $22,032
Arnulfo Rangel 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Dale Koler 3 14 4.67 0 1 3 0% 28.57% $5,103 $365 $1,701 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 $22,032
Arnulfo Rangel 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Dale Koler 3 14 4.67 0 1 0 0% 7.14% $2,042 $146 $681 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 $22,032
Arnulfo Rangel 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Dale Koler 3 12 4 1 0 0 8.33% 8.33% $4,215 $351 $1,405 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 $22,032
Arnulfo Rangel 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Dale Koler 2 4 2 0 0 1 0% 25% $505 $126 $253 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 $22,032
Arnulfo Rangel 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Dale Koler 3 16 5.33 2 1 2 12.5% 31.25% $6,331 $396 $2,110 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 $22,032
Arnulfo Rangel 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Dale Koler 7 39 5.57 0 3 4 0% 17.95% $8,560 $219 $1,223 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 $22,032
Arnulfo Rangel 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Dale Koler 4 23 5.75 0 2 0 0% 8.7% $3,665 $159 $916 0 0