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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 $22,028
Michael R. Thompson 2 10 5 1 0 0 10% 10% $40,782 $4,078 $20,391 0 0
Don Stemmans 1 2 2 0 1 0 0% 50% $2,400 $1,200 $2,400 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 $22,028
Michael R. Thompson 1 6 6 2 0 1 33.33% 50% $79,066 $13,178 $79,066 0 0
Don Stemmans 2 17 8.5 1 2 0 5.88% 17.65% $19,810 $1,165 $9,905 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 $22,028
Michael R. Thompson 1 2 2 1 0 0 50% 50% $8,121 $4,061 $8,121 0 0
Don Stemmans 3 11 3.67 0 0 0 0% 0% $4,140 $376 $1,380 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 $22,028
Michael R. Thompson 1 8 8 0 0 3 0% 37.5% $7,540 $943 $7,540 0 0
Don Stemmans 6 10 1.67 1 0 0 10% 10% $11,700 $1,170 $1,950 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 $22,028
Michael R. Thompson 1 5 5 0 0 0 0% 0% $3,160 $632 $3,160 0 0
Don Stemmans 4 6 1.5 0 0 1 0% 16.67% $1,870 $312 $468 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 $22,028
Michael R. Thompson 2 4 2 0 1 0 0% 25% $6,370 $1,593 $3,185 0 0
Don Stemmans 4 14 3.5 0 1 0 0% 7.14% $4,300 $307 $1,075 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 $22,028
Michael R. Thompson 1 2 2 0 0 0 0% 0% $1,140 $570 $1,140 0 0
Don Stemmans 2 9 4.5 2 0 0 22.22% 22.22% $30,120 $3,347 $15,060 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 $22,028
Michael R. Thompson 2 7 3.5 0 0 1 0% 14.29% $3,878 $554 $1,939 0 0
Don Stemmans 4 20 5 2 1 1 10% 20% $20,910 $1,046 $5,228 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 $22,028
Michael R. Thompson 1 6 6 1 1 0 16.67% 33.33% $17,215 $2,869 $17,215 0 0
Don Stemmans 4 28 7 1 3 1 3.57% 17.86% $15,225 $544 $3,806 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 $22,028
Michael R. Thompson 1 6 6 0 3 1 0% 66.67% $16,407 $2,735 $16,407 0 0
Don Stemmans 5 25 5 4 1 3 16% 32% $30,845 $1,234 $6,169 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 $22,028
Michael R. Thompson 1 6 6 1 1 1 16.67% 50% $16,285 $2,714 $16,285 0 0
Don Stemmans 7 20 2.86 1 0 0 5% 5% $5,565 $278 $795 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 $22,028
Michael R. Thompson 4 19 4.75 0 2 2 0% 21.05% $18,428 $970 $4,607 0 0
Don Stemmans 6 21 3.5 1 3 1 4.76% 23.81% $12,735 $606 $2,123 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 $22,028
Michael R. Thompson 8 30 3.75 5 2 3 16.67% 33.33% $103,751 $3,458 $12,969 0 0
Don Stemmans 8 30 3.75 0 2 0 0% 6.67% $7,620 $254 $953 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 $22,028
Michael R. Thompson 13 69 5.31 4 9 7 5.8% 28.99% $143,451 $2,079 $11,035 0 0
Don Stemmans 8 29 3.63 0 0 0 0% 0% $3,627 $125 $453 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 $22,028
Michael R. Thompson 10 67 6.7 8 8 8 11.94% 35.82% $208,971 $3,119 $20,897 0 0
Don Stemmans 13 38 2.92 2 2 1 5.26% 13.16% $34,674 $912 $2,667 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 $22,028
Michael R. Thompson 12 74 6.17 6 5 10 8.11% 28.38% $139,031 $1,879 $11,586 0 0
Don Stemmans 20 88 4.4 4 2 10 4.55% 18.18% $80,802 $918 $4,040 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 $22,028
Michael R. Thompson 11 65 5.91 6 13 8 9.23% 41.54% $176,970 $2,723 $16,088 0 0
Don Stemmans 25 80 3.2 4 4 8 5% 20% $80,963 $1,012 $3,239 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 $22,028
Michael R. Thompson 9 48 5.33 6 3 6 12.5% 31.25% $102,589 $2,137 $11,399 0 0
Don Stemmans 24 119 4.96 11 15 6 9.24% 26.89% $230,225 $1,935 $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 $22,028
Michael R. Thompson 8 50 6.25 8 1 5 16% 28% $118,123 $2,362 $14,765 0 0
Don Stemmans 22 113 5.14 6 17 13 5.31% 31.86% $157,813 $1,397 $7,173 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 $22,028
Michael R. Thompson 14 78 5.57 7 11 11 8.97% 37.18% $101,295 $1,299 $7,235 0 0
Don Stemmans 16 77 4.81 7 9 9 9.09% 32.47% $116,681 $1,515 $7,293 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 $22,028
Michael R. Thompson 15 65 4.33 9 6 4 13.85% 29.23% $91,018 $1,400 $6,068 0 0
Don Stemmans 12 57 4.75 7 4 1 12.28% 21.05% $48,445 $850 $4,037 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 $22,028
Michael R. Thompson 13 86 6.62 12 10 12 13.95% 39.53% $168,095 $1,955 $12,930 0 0
Don Stemmans 11 44 4 5 5 6 11.36% 36.36% $81,811 $1,859 $7,437 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 $22,028
Michael R. Thompson 12 69 5.75 8 5 12 11.59% 36.23% $111,969 $1,623 $9,331 0 0
Don Stemmans 16 59 3.69 3 6 8 5.08% 28.81% $30,918 $524 $1,932 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 $22,028
Michael R. Thompson 7 34 4.86 3 6 2 8.82% 32.35% $76,412 $2,247 $10,916 0 0
Don Stemmans 16 76 4.75 7 11 11 9.21% 38.16% $53,867 $709 $3,367 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 $22,028
Michael R. Thompson 8 53 6.63 3 9 14 5.66% 49.06% $100,203 $1,891 $12,525 0 0
Don Stemmans 14 82 5.86 4 10 5 4.88% 23.17% $47,249 $576 $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 $22,028
Michael R. Thompson 10 39 3.9 7 4 2 17.95% 33.33% $55,907 $1,434 $5,591 0 0
Don Stemmans 22 74 3.36 0 2 4 0% 8.11% $9,430 $127 $429 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 $22,028
Michael R. Thompson 6 39 6.5 5 3 5 12.82% 33.33% $47,832 $1,226 $7,972 0 0
Don Stemmans 24 94 3.92 6 0 3 6.38% 9.57% $27,096 $288 $1,129 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 $22,028
Michael R. Thompson 15 43 2.87 4 3 5 9.3% 27.91% $50,902 $1,184 $3,393 0 0
Don Stemmans 15 62 4.13 6 9 3 9.68% 29.03% $37,251 $601 $2,483 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 $22,028
Michael R. Thompson 5 27 5.4 2 4 2 7.41% 29.63% $26,529 $983 $5,306 0 0
Don Stemmans 17 76 4.47 7 3 8 9.21% 23.68% $32,142 $423 $1,891 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 $22,028
Michael R. Thompson 5 33 6.6 5 7 4 15.15% 48.48% $91,079 $2,760 $18,216 0 0
Don Stemmans 9 37 4.11 3 2 1 8.11% 16.22% $17,999 $486 $2,000 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 $22,028
Michael R. Thompson 5 20 4 3 2 5 15% 50% $15,197 $760 $3,039 0 0
Don Stemmans 6 45 7.5 2 4 2 4.44% 17.78% $10,148 $226 $1,691 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 $22,028
Michael R. Thompson 18 128 7.11 20 15 11 15.63% 35.94% $272,283 $2,127 $15,127 0 1
Don Stemmans 11 44 4 6 4 4 13.64% 31.82% $40,664 $924 $3,697 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 $22,028
Michael R. Thompson 16 85 5.31 15 17 14 17.65% 54.12% $255,953 $3,011 $15,997 0 0
Don Stemmans 12 68 5.67 5 6 11 7.35% 32.35% $30,127 $443 $2,511 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 $22,028
Michael R. Thompson 5 38 7.6 4 8 3 10.53% 39.47% $35,693 $939 $7,139 0 0
Don Stemmans 13 41 3.15 1 1 2 2.44% 9.76% $3,886 $95 $299 0 0