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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
Bradley C. Bolen 5 10 2 0 0 0 0% 0% $3,909 $391 $782 0 0
Tena Birdwell 24 81 3.38 7 10 11 8.64% 34.57% $181,836 $2,245 $7,577 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
Bradley C. Bolen 9 24 2.67 1 6 3 4.17% 41.67% $42,493 $1,771 $4,721 0 0
Tena Birdwell 30 107 3.57 10 13 15 9.35% 35.51% $166,308 $1,554 $5,544 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
Bradley C. Bolen 7 18 2.57 1 0 1 5.56% 11.11% $21,203 $1,178 $3,029 0 0
Tena Birdwell 28 101 3.61 11 14 16 10.89% 40.59% $191,138 $1,892 $6,826 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
Bradley C. Bolen 8 29 3.63 3 1 4 10.34% 27.59% $72,884 $2,513 $9,111 0 0
Tena Birdwell 14 31 2.21 7 6 2 22.58% 48.39% $66,227 $2,136 $4,731 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
Bradley C. Bolen 6 14 2.33 1 0 3 7.14% 28.57% $18,483 $1,320 $3,081 0 0
Tena Birdwell 13 63 4.85 6 9 12 9.52% 42.86% $93,414 $1,483 $7,186 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
Bradley C. Bolen 6 18 3 1 0 3 5.56% 22.22% $25,805 $1,434 $4,301 0 0
Tena Birdwell 12 55 4.58 4 6 12 7.27% 40% $56,365 $1,025 $4,697 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 $22,031
Bradley C. Bolen 9 17 1.89 2 0 1 11.76% 17.65% $15,299 $900 $1,700 0 0
Tena Birdwell 18 61 3.39 8 6 14 13.11% 45.9% $66,397 $1,088 $3,689 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
Bradley C. Bolen 9 21 2.33 3 4 1 14.29% 38.1% $39,489 $1,880 $4,388 0 0
Tena Birdwell 4 7 1.75 4 2 0 57.14% 85.71% $17,739 $2,534 $4,435 0 0