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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
Ronald B. Spatz 43 175 4.07 27 28 30 15.43% 48.57% $1,039,575 $5,940 $24,176 0 1
Erin Riefenberg 5 19 3.8 2 2 1 10.53% 26.32% $58,494 $3,079 $11,699 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
Ronald B. Spatz 53 186 3.51 25 32 30 13.44% 46.77% $1,086,280 $5,840 $20,496 0 2
Erin Riefenberg 1 6 6 2 0 1 33.33% 50% $34,453 $5,742 $34,453 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 $22,031
Ronald B. Spatz 47 157 3.34 27 17 18 17.2% 39.49% $957,412 $6,098 $20,370 0 4
Erin Riefenberg 1 2 2 0 0 0 0% 0% $1,000 $500 $1,000 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 $22,031
Ronald B. Spatz 39 143 3.67 24 23 25 16.78% 50.35% $782,682 $5,473 $20,069 0 2
Erin Riefenberg 1 1 1 0 0 0 0% 0% $500 $500 $500 0 0