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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
Don Stemmans 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Mark L. Tasso 2 2 1 0 0 0 0% 0% $825 $413 $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
Don Stemmans 1 2 2 0 1 0 0% 50% $2,400 $1,200 $2,400 0 0
Mark L. Tasso 7 27 3.86 3 2 2 11.11% 25.93% $55,536 $2,057 $7,934 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
Don Stemmans 2 17 8.5 1 2 0 5.88% 17.65% $19,810 $1,165 $9,905 0 0
Mark L. Tasso 11 64 5.82 5 13 8 7.81% 40.63% $146,231 $2,285 $13,294 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
Don Stemmans 3 11 3.67 0 0 0 0% 0% $4,140 $376 $1,380 0 0
Mark L. Tasso 6 34 5.67 3 1 8 8.82% 35.29% $74,726 $2,198 $12,454 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
Don Stemmans 6 10 1.67 1 0 0 10% 10% $11,700 $1,170 $1,950 0 0
Mark L. Tasso 8 38 4.75 4 5 8 10.53% 44.74% $77,521 $2,040 $9,690 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
Don Stemmans 4 6 1.5 0 0 1 0% 16.67% $1,870 $312 $468 0 0
Mark L. Tasso 8 30 3.75 3 2 4 10% 30% $40,148 $1,338 $5,019 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
Don Stemmans 4 14 3.5 0 1 0 0% 7.14% $4,300 $307 $1,075 0 0
Mark L. Tasso 8 38 4.75 7 4 4 18.42% 39.47% $69,097 $1,818 $8,637 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
Don Stemmans 2 9 4.5 2 0 0 22.22% 22.22% $30,120 $3,347 $15,060 0 0
Mark L. Tasso 12 54 4.5 6 7 10 11.11% 42.59% $85,537 $1,584 $7,128 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
Don Stemmans 4 20 5 2 1 1 10% 20% $20,910 $1,046 $5,228 0 0
Mark L. Tasso 11 57 5.18 7 8 7 12.28% 38.6% $119,218 $2,092 $10,838 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
Don Stemmans 4 28 7 1 3 1 3.57% 17.86% $15,225 $544 $3,806 0 0
Mark L. Tasso 7 57 8.14 6 12 6 10.53% 42.11% $104,786 $1,838 $14,969 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
Don Stemmans 5 25 5 4 1 3 16% 32% $30,845 $1,234 $6,169 0 0
Mark L. Tasso 18 106 5.89 24 19 15 22.64% 54.72% $264,110 $2,492 $14,673 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
Don Stemmans 7 20 2.86 1 0 0 5% 5% $5,565 $278 $795 0 0
Mark L. Tasso 16 85 5.31 12 17 10 14.12% 45.88% $145,149 $1,708 $9,072 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
Don Stemmans 6 21 3.5 1 3 1 4.76% 23.81% $12,735 $606 $2,123 0 0
Mark L. Tasso 9 34 3.78 3 1 9 8.82% 38.24% $32,970 $970 $3,663 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
Don Stemmans 8 30 3.75 0 2 0 0% 6.67% $7,620 $254 $953 0 0
Mark L. Tasso 3 19 6.33 3 3 2 15.79% 42.11% $26,635 $1,402 $8,878 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 $22,031
Don Stemmans 8 29 3.63 0 0 0 0% 0% $3,627 $125 $453 0 0
Mark L. Tasso 9 34 3.78 6 4 3 17.65% 38.24% $54,865 $1,614 $6,096 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
Don Stemmans 13 38 2.92 2 2 1 5.26% 13.16% $34,674 $912 $2,667 0 0
Mark L. Tasso 12 22 1.83 0 1 1 0% 9.09% $9,864 $448 $822 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
Don Stemmans 20 88 4.4 4 2 10 4.55% 18.18% $80,802 $918 $4,040 0 0
Mark L. Tasso 3 4 1.33 0 2 0 0% 50% $4,371 $1,093 $1,457 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
Don Stemmans 25 80 3.2 4 4 8 5% 20% $80,963 $1,012 $3,239 0 0
Mark L. Tasso 4 10 2.5 0 1 1 0% 20% $4,207 $421 $1,052 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
Don Stemmans 24 119 4.96 11 15 6 9.24% 26.89% $230,225 $1,935 $9,593 0 0
Mark L. Tasso 5 6 1.2 1 0 0 16.67% 16.67% $7,123 $1,187 $1,425 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
Don Stemmans 14 82 5.86 4 10 5 4.88% 23.17% $47,249 $576 $3,375 0 0
Mark L. Tasso 16 92 5.75 6 9 11 6.52% 28.26% $66,802 $726 $4,175 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
Don Stemmans 22 74 3.36 0 2 4 0% 8.11% $9,430 $127 $429 0 0
Mark L. Tasso 11 47 4.27 11 8 5 23.4% 51.06% $83,753 $1,782 $7,614 0 0