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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
Michael E. Biehler 46 196 4.26 43 28 19 21.94% 45.92% $927,016 $4,730 $20,153 0 2
Tom Zwiesler 1 1 1 0 0 1 0% 100% $2,550 $2,550 $2,550 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
Michael E. Biehler 52 220 4.23 30 23 31 13.64% 38.18% $582,529 $2,648 $11,202 0 0
Tom Zwiesler 4 6 1.5 0 1 2 0% 50% $10,170 $1,695 $2,543 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
Michael E. Biehler 45 178 3.96 26 22 25 14.61% 41.01% $566,726 $3,184 $12,594 0 0
Tom Zwiesler 1 1 1 0 0 0 0% 0% $170 $170 $170 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
Michael E. Biehler 43 203 4.72 31 22 22 15.27% 36.95% $703,737 $3,467 $16,366 0 0
Tom Zwiesler 5 5 1 1 0 2 20% 60% $11,930 $2,386 $2,386 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
Michael E. Biehler 60 282 4.7 40 47 28 14.18% 40.78% $1,082,490 $3,839 $18,042 0 2
Tom Zwiesler 2 3 1.5 0 0 0 0% 0% $1,750 $583 $875 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
Michael E. Biehler 56 251 4.48 49 28 37 19.52% 45.42% $815,410 $3,249 $14,561 0 1
Tom Zwiesler 2 3 1.5 0 1 1 0% 66.67% $5,540 $1,847 $2,770 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
Michael E. Biehler 59 293 4.97 50 42 44 17.06% 46.42% $768,606 $2,623 $13,027 0 1
Tom Zwiesler 2 2 1 0 1 0 0% 50% $2,410 $1,205 $1,205 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
Michael E. Biehler 34 193 5.68 29 29 27 15.03% 44.04% $217,243 $1,126 $6,390 0 0
Tom Zwiesler 2 7 3.5 2 0 0 28.57% 28.57% $5,034 $719 $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
Michael E. Biehler 33 137 4.15 12 12 25 8.76% 35.77% $118,845 $867 $3,601 0 0
Tom Zwiesler 5 23 4.6 7 4 2 30.43% 56.52% $31,547 $1,372 $6,309 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
Michael E. Biehler 32 140 4.38 12 11 24 8.57% 33.57% $78,770 $563 $2,462 0 0
Tom Zwiesler 5 11 2.2 2 4 0 18.18% 54.55% $8,336 $758 $1,667 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 $22,031
Michael E. Biehler 41 253 6.17 25 37 26 9.88% 34.78% $154,465 $611 $3,767 0 0
Tom Zwiesler 15 54 3.6 10 6 11 18.52% 50% $42,343 $784 $2,823 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
Michael E. Biehler 37 258 6.97 35 23 47 13.57% 40.7% $170,447 $661 $4,607 0 1
Tom Zwiesler 24 55 2.29 4 8 8 7.27% 36.36% $24,651 $448 $1,027 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
Michael E. Biehler 41 284 6.93 28 42 32 9.86% 35.92% $162,877 $574 $3,973 0 0
Tom Zwiesler 12 35 2.92 5 4 6 14.29% 42.86% $14,238 $407 $1,187 0 0