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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
Shane M. Spiess 42 226 5.38 17 18 38 7.52% 32.3% $225,467 $998 $5,368 0 0
Donald G. Horrell 4 9 2.25 0 1 2 0% 33.33% $11,190 $1,243 $2,798 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
Shane M. Spiess 76 451 5.93 59 73 81 13.08% 47.23% $745,456 $1,653 $9,809 0 0
Donald G. Horrell 2 8 4 0 1 2 0% 37.5% $6,605 $826 $3,303 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
Shane M. Spiess 64 343 5.36 32 39 55 9.33% 36.73% $325,978 $950 $5,093 0 0
Donald G. Horrell 1 2 2 0 0 0 0% 0% $705 $353 $705 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
Shane M. Spiess 91 476 5.23 54 80 54 11.34% 39.5% $492,188 $1,034 $5,409 0 0
Donald G. Horrell 1 1 1 0 0 0 0% 0% $75 $75 $75 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
Shane M. Spiess 97 536 5.53 62 84 79 11.57% 41.98% $633,643 $1,182 $6,532 0 0
Donald G. Horrell 1 1 1 0 0 0 0% 0% $105 $105 $105 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
Shane M. Spiess 89 442 4.97 46 71 62 10.41% 40.5% $455,701 $1,031 $5,120 0 0
Donald G. Horrell 3 8 2.67 0 0 1 0% 12.5% $2,223 $278 $741 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
Shane M. Spiess 70 352 5.03 60 53 58 17.05% 48.58% $552,624 $1,570 $7,895 0 0
Donald G. Horrell 5 20 4 0 0 1 0% 5% $4,875 $244 $975 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
Shane M. Spiess 51 263 5.16 37 48 42 14.07% 48.29% $390,988 $1,487 $7,666 0 1
Donald G. Horrell 6 15 2.5 1 0 2 6.67% 20% $5,278 $352 $880 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
Shane M. Spiess 40 171 4.28 31 35 26 18.13% 53.8% $370,620 $2,167 $9,266 0 0
Donald G. Horrell 4 18 4.5 4 0 4 22.22% 44.44% $12,494 $694 $3,124 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
Shane M. Spiess 40 227 5.68 16 21 40 7.05% 33.92% $141,797 $625 $3,545 0 0
Donald G. Horrell 3 15 5 2 1 1 13.33% 26.67% $16,118 $1,075 $5,373 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
Shane M. Spiess 32 245 7.66 24 35 42 9.8% 41.22% $227,960 $930 $7,124 0 1
Donald G. Horrell 4 23 5.75 2 2 3 8.7% 30.43% $20,220 $879 $5,055 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
Shane M. Spiess 37 194 5.24 19 33 31 9.79% 42.78% $213,344 $1,100 $5,766 0 0
Donald G. Horrell 7 41 5.86 5 6 5 12.2% 39.02% $43,924 $1,071 $6,275 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
Shane M. Spiess 46 315 6.85 41 44 47 13.02% 41.9% $499,751 $1,587 $10,864 0 1
Donald G. Horrell 9 39 4.33 5 4 2 12.82% 28.21% $38,867 $997 $4,319 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
Shane M. Spiess 57 326 5.72 42 49 59 12.88% 46.01% $485,583 $1,490 $8,519 0 2
Donald G. Horrell 11 75 6.82 8 4 11 10.67% 30.67% $63,351 $845 $5,759 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
Shane M. Spiess 51 279 5.47 43 30 45 15.41% 42.29% $326,615 $1,171 $6,404 0 0
Donald G. Horrell 11 82 7.45 9 8 13 10.98% 36.59% $78,027 $952 $7,093 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
Shane M. Spiess 48 257 5.35 25 25 35 9.73% 33.07% $215,350 $838 $4,486 0 0
Donald G. Horrell 17 89 5.24 6 10 10 6.74% 29.21% $61,959 $696 $3,645 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
Shane M. Spiess 47 265 5.64 24 36 41 9.06% 38.11% $222,825 $841 $4,741 0 0
Donald G. Horrell 20 113 5.65 10 20 14 8.85% 38.94% $112,777 $998 $5,639 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
Shane M. Spiess 66 330 5 47 43 51 14.24% 42.73% $479,314 $1,452 $7,262 0 1
Donald G. Horrell 23 91 3.96 18 7 10 19.78% 38.46% $157,021 $1,726 $6,827 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
Shane M. Spiess 65 378 5.82 49 49 51 12.96% 39.42% $526,961 $1,394 $8,107 0 2
Donald G. Horrell 18 62 3.44 6 11 4 9.68% 33.87% $95,119 $1,534 $5,284 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
Shane M. Spiess 54 369 6.83 57 71 60 15.45% 50.95% $455,505 $1,234 $8,435 0 0
Donald G. Horrell 17 68 4 5 5 7 7.35% 25% $67,531 $993 $3,972 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
Shane M. Spiess 67 427 6.37 75 71 76 17.56% 51.99% $516,715 $1,210 $7,712 0 0
Donald G. Horrell 22 87 3.95 9 10 7 10.34% 29.89% $82,999 $954 $3,773 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
Shane M. Spiess 56 336 6 48 50 49 14.29% 43.75% $329,127 $980 $5,877 0 0
Donald G. Horrell 28 114 4.07 8 11 8 7.02% 23.68% $108,426 $951 $3,872 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
Shane M. Spiess 58 337 5.81 47 47 50 13.95% 42.73% $356,813 $1,059 $6,152 0 0
Donald G. Horrell 25 113 4.52 5 11 8 4.42% 21.24% $72,532 $642 $2,901 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
Shane M. Spiess 53 340 6.42 35 39 32 10.29% 31.18% $229,364 $675 $4,328 0 0
Donald G. Horrell 32 129 4.03 9 6 13 6.98% 21.71% $62,549 $485 $1,955 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
Shane M. Spiess 56 341 6.09 32 57 65 9.38% 45.16% $191,130 $560 $3,413 0 0
Donald G. Horrell 62 228 3.68 22 23 24 9.65% 30.26% $93,381 $410 $1,506 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
Shane M. Spiess 57 237 4.16 29 39 29 12.24% 40.93% $141,421 $597 $2,481 0 0
Donald G. Horrell 53 258 4.87 40 32 35 15.5% 41.47% $114,978 $446 $2,169 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
Shane M. Spiess 66 316 4.79 41 45 31 12.97% 37.03% $142,098 $450 $2,153 0 0
Donald G. Horrell 44 161 3.66 20 21 14 12.42% 34.16% $76,007 $472 $1,727 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
Shane M. Spiess 57 351 6.16 49 43 43 13.96% 38.46% $178,941 $510 $3,139 0 0
Donald G. Horrell 47 225 4.79 20 26 33 8.89% 35.11% $86,677 $385 $1,844 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
Shane M. Spiess 35 270 7.71 33 39 47 12.22% 44.07% $176,802 $655 $5,051 0 0
Donald G. Horrell 45 254 5.64 24 26 27 9.45% 30.31% $79,231 $312 $1,761 0 0