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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
Sergio Ledezma 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jonathan B. Buckley 24 31 1.29 4 7 4 12.9% 48.39% $107,406 $3,465 $4,475 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
Sergio Ledezma 8 36 4.5 1 3 1 2.78% 13.89% $40,335 $1,120 $5,042 0 0
Jonathan B. Buckley 55 298 5.42 63 50 33 21.14% 48.99% $1,165,262 $3,910 $21,187 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
Sergio Ledezma 13 45 3.46 3 4 6 6.67% 28.89% $90,643 $2,014 $6,973 0 0
Jonathan B. Buckley 43 271 6.3 53 59 38 19.56% 55.35% $1,142,057 $4,214 $26,559 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
Sergio Ledezma 15 65 4.33 6 3 7 9.23% 24.62% $148,822 $2,290 $9,921 0 0
Jonathan B. Buckley 45 223 4.96 36 36 41 16.14% 50.67% $745,450 $3,343 $16,566 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
Sergio Ledezma 23 120 5.22 4 14 18 3.33% 30% $157,650 $1,314 $6,854 0 0
Jonathan B. Buckley 43 200 4.65 47 34 31 23.5% 56% $916,928 $4,585 $21,324 0 1

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
Sergio Ledezma 30 135 4.5 23 23 18 17.04% 47.41% $396,239 $2,935 $13,208 0 0
Jonathan B. Buckley 41 216 5.27 28 42 42 12.96% 51.85% $738,426 $3,419 $18,010 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
Sergio Ledezma 23 99 4.3 10 14 18 10.1% 42.42% $272,029 $2,748 $11,827 0 0
Jonathan B. Buckley 38 132 3.47 16 17 25 12.12% 43.94% $257,214 $1,949 $6,769 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
Sergio Ledezma 25 143 5.72 18 17 23 12.59% 40.56% $484,088 $3,385 $19,364 0 2
Jonathan B. Buckley 61 279 4.57 37 49 47 13.26% 47.67% $688,969 $2,469 $11,295 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
Sergio Ledezma 29 121 4.17 11 21 17 9.09% 40.5% $276,599 $2,286 $9,538 0 0
Jonathan B. Buckley 55 318 5.78 39 43 58 12.26% 44.03% $739,664 $2,326 $13,448 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
Sergio Ledezma 34 114 3.35 10 8 18 8.77% 31.58% $148,855 $1,306 $4,378 0 0
Jonathan B. Buckley 56 334 5.96 40 44 54 11.98% 41.32% $691,351 $2,070 $12,346 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
Sergio Ledezma 44 170 3.86 24 11 27 14.12% 36.47% $303,948 $1,788 $6,908 0 0
Jonathan B. Buckley 60 347 5.78 38 58 65 10.95% 46.4% $701,611 $2,022 $11,694 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
Sergio Ledezma 30 145 4.83 16 22 18 11.03% 38.62% $313,583 $2,163 $10,453 0 0
Jonathan B. Buckley 73 368 5.04 48 63 48 13.04% 43.21% $848,871 $2,307 $11,628 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
Sergio Ledezma 42 146 3.48 19 19 18 13.01% 38.36% $343,192 $2,351 $8,171 0 1
Jonathan B. Buckley 49 273 5.57 31 45 45 11.36% 44.32% $401,528 $1,471 $8,194 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
Sergio Ledezma 54 195 3.61 27 24 26 13.85% 39.49% $385,410 $1,976 $7,137 0 0
Jonathan B. Buckley 75 321 4.28 31 36 40 9.66% 33.33% $459,224 $1,431 $6,123 0 1

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
Sergio Ledezma 47 175 3.72 23 19 16 13.14% 33.14% $263,148 $1,504 $5,599 0 0
Jonathan B. Buckley 90 397 4.41 40 55 58 10.08% 38.54% $532,026 $1,340 $5,911 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
Sergio Ledezma 39 145 3.72 19 20 18 13.1% 39.31% $250,322 $1,726 $6,419 0 0
Jonathan B. Buckley 81 379 4.68 62 50 52 16.36% 43.27% $662,904 $1,749 $8,184 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
Sergio Ledezma 48 139 2.9 13 14 18 9.35% 32.37% $165,253 $1,189 $3,443 0 0
Jonathan B. Buckley 85 361 4.25 54 53 47 14.96% 42.66% $699,125 $1,937 $8,225 0 1

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
Sergio Ledezma 65 252 3.88 24 27 44 9.52% 37.7% $370,708 $1,471 $5,703 0 0
Jonathan B. Buckley 82 345 4.21 39 44 36 11.3% 34.49% $620,015 $1,797 $7,561 0 2

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
Sergio Ledezma 77 304 3.95 39 33 33 12.83% 34.54% $471,342 $1,550 $6,121 0 0
Jonathan B. Buckley 71 360 5.07 58 55 38 16.11% 41.94% $770,481 $2,140 $10,852 0 1

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
Sergio Ledezma 63 170 2.7 11 15 19 6.47% 26.47% $221,653 $1,304 $3,518 0 0
Jonathan B. Buckley 78 392 5.03 41 58 52 10.46% 38.52% $609,517 $1,555 $7,814 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
Sergio Ledezma 40 126 3.15 12 16 22 9.52% 39.68% $188,955 $1,500 $4,724 0 0
Jonathan B. Buckley 59 344 5.83 50 55 57 14.53% 47.09% $591,406 $1,719 $10,024 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
Sergio Ledezma 60 190 3.17 15 17 27 7.89% 31.05% $243,408 $1,281 $4,057 0 0
Jonathan B. Buckley 68 329 4.84 24 62 47 7.29% 40.43% $399,740 $1,215 $5,879 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
Sergio Ledezma 76 294 3.87 27 35 41 9.18% 35.03% $454,759 $1,547 $5,984 0 0
Jonathan B. Buckley 55 321 5.84 48 55 40 14.95% 44.55% $539,756 $1,681 $9,814 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
Sergio Ledezma 88 318 3.61 38 47 42 11.95% 39.94% $617,084 $1,941 $7,012 0 0
Jonathan B. Buckley 63 306 4.86 32 57 58 10.46% 48.04% $427,795 $1,398 $6,790 0 1

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
Sergio Ledezma 40 100 2.5 12 7 14 12% 33% $153,327 $1,533 $3,833 0 0
Jonathan B. Buckley 45 313 6.96 54 49 50 17.25% 48.88% $680,652 $2,175 $15,126 0 1

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
Sergio Ledezma 1 1 1 0 1 0 0% 100% $1,800 $1,800 $1,800 0 0
Jonathan B. Buckley 52 310 5.96 53 47 46 17.1% 47.1% $552,242 $1,781 $10,620 0 1

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
Sergio Ledezma 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jonathan B. Buckley 54 372 6.89 62 56 63 16.67% 48.66% $589,418 $1,584 $10,915 0 3

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
Sergio Ledezma 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jonathan B. Buckley 53 396 7.47 78 72 60 19.7% 53.03% $618,712 $1,562 $11,674 0 3

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
Sergio Ledezma 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jonathan B. Buckley 46 370 8.04 43 55 46 11.62% 38.92% $313,574 $847 $6,817 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
Sergio Ledezma 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jonathan B. Buckley 50 377 7.54 42 54 56 11.14% 40.32% $261,404 $693 $5,228 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
Sergio Ledezma 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jonathan B. Buckley 69 444 6.43 52 58 64 11.71% 39.19% $289,658 $652 $4,198 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
Sergio Ledezma 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jonathan B. Buckley 48 418 8.71 57 56 63 13.64% 42.11% $331,028 $792 $6,896 0 1

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
Sergio Ledezma 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jonathan B. Buckley 50 355 7.1 35 63 77 9.86% 49.3% $288,782 $813 $5,776 0 1

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
Sergio Ledezma 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jonathan B. Buckley 37 292 7.89 54 42 50 18.49% 50% $244,912 $839 $6,619 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
Sergio Ledezma 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jonathan B. Buckley 40 302 7.55 37 44 41 12.25% 40.4% $159,192 $527 $3,980 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
Sergio Ledezma 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jonathan B. Buckley 41 328 8 38 46 43 11.59% 38.72% $210,820 $643 $5,142 0 0