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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
Dale Koler 1 4 4 0 0 0 0% 0% $830 $208 $830 0 0
Jim Bob Arrington 1 3 3 0 0 0 0% 0% $488 $163 $488 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
Dale Koler 1 2 2 1 0 1 50% 100% $7,878 $3,939 $7,878 0 0
Jim Bob Arrington 1 4 4 0 0 0 0% 0% $1,152 $288 $1,152 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
Dale Koler 3 8 2.67 1 3 2 12.5% 75% $13,665 $1,708 $4,555 0 0
Jim Bob Arrington 1 3 3 0 0 0 0% 0% $622 $207 $622 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
Dale Koler 2 9 4.5 1 2 4 11.11% 77.78% $11,431 $1,270 $5,716 0 0
Jim Bob Arrington 1 4 4 0 1 1 0% 50% $4,736 $1,184 $4,736 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
Dale Koler 3 6 2 0 1 0 0% 16.67% $2,400 $400 $800 0 0
Jim Bob Arrington 2 4 2 0 0 0 0% 0% $1,032 $258 $516 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
Dale Koler 1 5 5 1 0 1 20% 40% $5,080 $1,016 $5,080 0 0
Jim Bob Arrington 2 4 2 0 0 0 0% 0% $486 $122 $243 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
Dale Koler 2 7 3.5 1 1 0 14.29% 28.57% $6,750 $964 $3,375 0 0
Jim Bob Arrington 1 2 2 0 0 0 0% 0% $257 $129 $257 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
Dale Koler 2 9 4.5 0 1 0 0% 11.11% $4,278 $475 $2,139 0 0
Jim Bob Arrington 3 10 3.33 1 0 0 10% 10% $7,550 $755 $2,517 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
Dale Koler 3 16 5.33 0 0 2 0% 12.5% $5,595 $350 $1,865 0 0
Jim Bob Arrington 7 24 3.43 3 2 2 12.5% 29.17% $33,130 $1,380 $4,733 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
Dale Koler 2 12 6 1 2 1 8.33% 33.33% $7,420 $618 $3,710 0 0
Jim Bob Arrington 12 31 2.58 4 0 2 12.9% 19.35% $65,492 $2,113 $5,458 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
Dale Koler 5 24 4.8 2 4 2 8.33% 33.33% $16,537 $689 $3,307 0 0
Jim Bob Arrington 1 8 8 0 1 1 0% 25% $3,139 $392 $3,139 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 $22,031
Dale Koler 2 10 5 2 2 1 20% 50% $10,434 $1,043 $5,217 0 0
Jim Bob Arrington 2 9 4.5 0 0 0 0% 0% $1,493 $166 $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
Dale Koler 3 19 6.33 2 0 5 10.53% 36.84% $10,304 $542 $3,435 0 0
Jim Bob Arrington 2 13 6.5 0 1 0 0% 7.69% $3,515 $270 $1,758 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
Dale Koler 3 12 4 1 1 1 8.33% 25% $5,595 $466 $1,865 0 0
Jim Bob Arrington 3 10 3.33 0 0 0 0% 0% $593 $59 $198 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
Dale Koler 2 14 7 0 1 1 0% 14.29% $4,392 $314 $2,196 0 0
Jim Bob Arrington 4 33 8.25 1 1 3 3.03% 15.15% $21,650 $656 $5,413 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
Dale Koler 2 15 7.5 0 1 0 0% 6.67% $2,489 $166 $1,245 0 0
Jim Bob Arrington 5 25 5 2 1 1 8% 16% $19,501 $780 $3,900 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
Dale Koler 2 12 6 3 2 4 25% 75% $19,185 $1,599 $9,593 0 0
Jim Bob Arrington 5 17 3.4 0 0 1 0% 5.88% $4,692 $276 $938 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
Dale Koler 2 11 5.5 0 3 0 0% 27.27% $4,932 $448 $2,466 0 0
Jim Bob Arrington 7 29 4.14 1 2 3 3.45% 20.69% $15,687 $541 $2,241 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
Dale Koler 2 12 6 3 0 0 25% 25% $11,527 $961 $5,764 0 0
Jim Bob Arrington 9 31 3.44 0 1 4 0% 16.13% $5,324 $172 $592 0 0