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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
Jonathan B. Buckley 34 75 2.21 14 15 10 18.67% 52% $304,733 $4,063 $8,963 0 0
Donna Riley 3 9 3 2 0 2 22.22% 44.44% $44,869 $4,985 $14,956 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
Jonathan B. Buckley 55 298 5.42 63 50 33 21.14% 48.99% $1,165,262 $3,910 $21,187 0 0
Donna Riley 4 22 5.5 1 1 5 4.55% 31.82% $34,690 $1,577 $8,673 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
Jonathan B. Buckley 43 271 6.3 53 59 38 19.56% 55.35% $1,142,057 $4,214 $26,559 0 0
Donna Riley 5 40 8 3 4 3 7.5% 25% $107,302 $2,683 $21,460 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
Jonathan B. Buckley 45 223 4.96 36 36 41 16.14% 50.67% $745,450 $3,343 $16,566 0 0
Donna Riley 5 35 7 0 1 2 0% 8.57% $23,805 $680 $4,761 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
Jonathan B. Buckley 43 200 4.65 47 34 31 23.5% 56% $916,928 $4,585 $21,324 0 1
Donna Riley 5 23 4.6 3 0 1 13.04% 17.39% $85,010 $3,696 $17,002 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
Jonathan B. Buckley 41 216 5.27 28 42 42 12.96% 51.85% $738,426 $3,419 $18,010 0 0
Donna Riley 3 22 7.33 2 3 5 9.09% 45.45% $101,784 $4,627 $33,928 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
Jonathan B. Buckley 38 132 3.47 16 17 25 12.12% 43.94% $257,214 $1,949 $6,769 0 0
Donna Riley 2 8 4 1 0 0 12.5% 12.5% $23,006 $2,876 $11,503 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
Jonathan B. Buckley 61 279 4.57 37 49 47 13.26% 47.67% $688,969 $2,469 $11,295 0 0
Donna Riley 1 2 2 0 0 0 0% 0% $578 $289 $578 0 0