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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
Donald G. Horrell 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Michael L. Slager 2 4 2 0 1 1 0% 50% $10,920 $2,730 $5,460 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
Donald G. Horrell 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Michael L. Slager 6 40 6.67 3 8 11 7.5% 55% $89,261 $2,232 $14,877 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
Donald G. Horrell 4 9 2.25 0 1 2 0% 33.33% $11,190 $1,243 $2,798 0 0
Michael L. Slager 5 31 6.2 1 5 6 3.23% 38.71% $51,804 $1,671 $10,361 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
Donald G. Horrell 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Michael L. Slager 4 34 8.5 1 5 3 2.94% 26.47% $80,251 $2,360 $20,063 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
Donald G. Horrell 2 8 4 0 1 2 0% 37.5% $6,605 $826 $3,303 0 0
Michael L. Slager 4 27 6.75 0 0 3 0% 11.11% $29,254 $1,083 $7,314 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
Donald G. Horrell 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Michael L. Slager 4 20 5 3 4 3 15% 50% $66,706 $3,335 $16,677 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
Donald G. Horrell 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Michael L. Slager 2 17 8.5 2 0 3 11.76% 29.41% $37,581 $2,211 $18,791 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
Donald G. Horrell 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Michael L. Slager 1 4 4 1 0 1 25% 50% $19,040 $4,760 $19,040 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
Donald G. Horrell 1 2 2 0 0 0 0% 0% $705 $353 $705 0 0
Michael L. Slager 1 2 2 0 1 0 0% 50% $5,925 $2,963 $5,925 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
Donald G. Horrell 4 18 4.5 4 0 4 22.22% 44.44% $12,494 $694 $3,124 0 0
Michael L. Slager 2 11 5.5 0 2 2 0% 36.36% $7,743 $704 $3,872 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
Donald G. Horrell 3 15 5 2 1 1 13.33% 26.67% $16,118 $1,075 $5,373 0 0
Michael L. Slager 3 17 5.67 2 2 1 11.76% 29.41% $20,734 $1,220 $6,911 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
Donald G. Horrell 18 62 3.44 6 11 4 9.68% 33.87% $95,119 $1,534 $5,284 0 0
Michael L. Slager 2 2 1 0 0 0 0% 0% $310 $155 $155 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
Donald G. Horrell 17 68 4 5 5 7 7.35% 25% $67,531 $993 $3,972 0 0
Michael L. Slager 11 33 3 4 5 1 12.12% 30.3% $69,965 $2,120 $6,360 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
Donald G. Horrell 22 87 3.95 9 10 7 10.34% 29.89% $82,999 $954 $3,773 0 0
Michael L. Slager 12 76 6.33 3 8 10 3.95% 27.63% $86,699 $1,141 $7,225 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
Donald G. Horrell 28 114 4.07 8 11 8 7.02% 23.68% $108,426 $951 $3,872 0 0
Michael L. Slager 6 38 6.33 5 3 4 13.16% 31.58% $71,341 $1,877 $11,890 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
Donald G. Horrell 25 113 4.52 5 11 8 4.42% 21.24% $72,532 $642 $2,901 0 0
Michael L. Slager 5 43 8.6 6 7 8 13.95% 48.84% $42,086 $979 $8,417 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
Donald G. Horrell 62 228 3.68 22 23 24 9.65% 30.26% $93,381 $410 $1,506 0 0
Michael L. Slager 4 28 7 2 5 0 7.14% 25% $17,805 $636 $4,451 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
Donald G. Horrell 53 258 4.87 40 32 35 15.5% 41.47% $114,978 $446 $2,169 0 0
Michael L. Slager 2 7 3.5 1 0 1 14.29% 28.57% $4,748 $678 $2,374 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
Donald G. Horrell 47 225 4.79 20 26 33 8.89% 35.11% $86,677 $385 $1,844 0 0
Michael L. Slager 13 41 3.15 2 2 3 4.88% 17.07% $15,943 $389 $1,226 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
Donald G. Horrell 45 254 5.64 24 26 27 9.45% 30.31% $79,231 $312 $1,761 0 0
Michael L. Slager 2 8 4 0 1 0 0% 12.5% $1,380 $173 $690 0 0