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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
Gordon C. Colbourne 7 17 2.43 3 2 2 17.65% 41.18% $79,980 $4,705 $11,426 0 0
Robert Mosco 30 97 3.23 12 22 17 12.37% 52.58% $481,932 $4,968 $16,064 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
Gordon C. Colbourne 8 45 5.63 2 2 8 4.44% 26.67% $164,814 $3,663 $20,602 0 0
Robert Mosco 52 168 3.23 33 17 18 19.64% 40.48% $916,433 $5,455 $17,624 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
Gordon C. Colbourne 9 40 4.44 5 3 7 12.5% 37.5% $167,839 $4,196 $18,649 0 0
Robert Mosco 48 214 4.46 33 32 27 15.42% 42.99% $1,046,721 $4,891 $21,807 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
Gordon C. Colbourne 9 43 4.78 3 7 5 6.98% 34.88% $122,648 $2,852 $13,628 0 0
Robert Mosco 42 256 6.1 33 42 41 12.89% 45.31% $1,306,756 $5,105 $31,113 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
Gordon C. Colbourne 9 50 5.56 6 3 8 12% 34% $183,060 $3,661 $20,340 0 0
Robert Mosco 50 211 4.22 42 31 32 19.91% 49.76% $1,365,610 $6,472 $27,312 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
Gordon C. Colbourne 11 56 5.09 3 3 5 5.36% 19.64% $109,059 $1,947 $9,914 0 0
Robert Mosco 37 196 5.3 40 32 29 20.41% 51.53% $1,281,896 $6,540 $34,646 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
Gordon C. Colbourne 12 60 5 2 4 5 3.33% 18.33% $88,564 $1,476 $7,380 0 0
Robert Mosco 35 150 4.29 16 32 27 10.67% 50% $661,625 $4,411 $18,904 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
Gordon C. Colbourne 8 43 5.38 6 5 4 13.95% 34.88% $241,849 $5,624 $30,231 0 0
Robert Mosco 39 184 4.72 36 25 37 19.57% 53.26% $1,171,127 $6,365 $30,029 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
Gordon C. Colbourne 14 55 3.93 1 3 6 1.82% 18.18% $111,210 $2,022 $7,944 0 0
Robert Mosco 32 170 5.31 30 22 27 17.65% 46.47% $850,454 $5,003 $26,577 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
Gordon C. Colbourne 13 61 4.69 6 4 2 9.84% 19.67% $232,622 $3,813 $17,894 0 0
Robert Mosco 30 137 4.57 17 22 23 12.41% 45.26% $491,099 $3,585 $16,370 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
Gordon C. Colbourne 11 53 4.82 4 4 3 7.55% 20.75% $106,061 $2,001 $9,642 0 0
Robert Mosco 38 169 4.45 21 24 35 12.43% 47.34% $675,211 $3,995 $17,769 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
Gordon C. Colbourne 13 66 5.08 2 6 8 3.03% 24.24% $105,307 $1,596 $8,101 0 0
Robert Mosco 31 158 5.1 20 27 22 12.66% 43.67% $524,983 $3,323 $16,935 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
Gordon C. Colbourne 13 86 6.62 9 11 8 10.47% 32.56% $276,998 $3,221 $21,308 0 0
Robert Mosco 34 170 5 32 34 26 18.82% 54.12% $833,553 $4,903 $24,516 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
Gordon C. Colbourne 10 51 5.1 2 4 3 3.92% 17.65% $104,750 $2,054 $10,475 0 0
Robert Mosco 31 150 4.84 17 24 19 11.33% 40% $519,653 $3,464 $16,763 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
Gordon C. Colbourne 11 51 4.64 4 1 7 7.84% 23.53% $103,241 $2,024 $9,386 0 0
Robert Mosco 39 177 4.54 18 18 33 10.17% 38.98% $508,967 $2,876 $13,050 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
Gordon C. Colbourne 6 36 6 3 3 3 8.33% 25% $109,259 $3,035 $18,210 0 0
Robert Mosco 36 177 4.92 17 33 28 9.6% 44.07% $605,272 $3,420 $16,813 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
Gordon C. Colbourne 10 52 5.2 4 6 2 7.69% 23.08% $131,525 $2,529 $13,153 0 0
Robert Mosco 42 206 4.9 24 27 25 11.65% 36.89% $589,743 $2,863 $14,042 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
Gordon C. Colbourne 12 57 4.75 2 2 7 3.51% 19.3% $97,898 $1,718 $8,158 0 0
Robert Mosco 41 196 4.78 25 28 21 12.76% 37.76% $577,106 $2,944 $14,076 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
Gordon C. Colbourne 9 45 5 1 2 4 2.22% 15.56% $59,334 $1,319 $6,593 0 0
Robert Mosco 41 166 4.05 21 21 25 12.65% 40.36% $415,466 $2,503 $10,133 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
Gordon C. Colbourne 8 47 5.88 1 4 7 2.13% 25.53% $86,280 $1,836 $10,785 0 0
Robert Mosco 39 133 3.41 15 18 14 11.28% 35.34% $282,546 $2,124 $7,245 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
Gordon C. Colbourne 13 58 4.46 2 5 4 3.45% 18.97% $152,865 $2,636 $11,759 0 0
Robert Mosco 39 138 3.54 27 24 20 19.57% 51.45% $367,816 $2,665 $9,431 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
Gordon C. Colbourne 13 52 4 0 7 3 0% 19.23% $89,493 $1,721 $6,884 0 0
Robert Mosco 49 187 3.82 30 23 29 16.04% 43.85% $411,837 $2,202 $8,405 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
Gordon C. Colbourne 12 82 6.83 8 9 5 9.76% 26.83% $278,261 $3,393 $23,188 0 0
Robert Mosco 64 288 4.5 49 45 34 17.01% 44.44% $626,001 $2,174 $9,781 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
Gordon C. Colbourne 14 55 3.93 2 6 10 3.64% 32.73% $209,097 $3,802 $14,936 0 0
Robert Mosco 55 243 4.42 47 32 29 19.34% 44.44% $589,858 $2,427 $10,725 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
Gordon C. Colbourne 11 50 4.55 3 5 9 6% 34% $203,345 $4,067 $18,486 0 0
Robert Mosco 45 216 4.8 39 35 36 18.06% 50.93% $516,198 $2,390 $11,471 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
Gordon C. Colbourne 9 35 3.89 1 4 2 2.86% 20% $84,761 $2,422 $9,418 0 0
Robert Mosco 37 155 4.19 28 24 22 18.06% 47.74% $371,066 $2,394 $10,029 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
Gordon C. Colbourne 11 73 6.64 2 4 6 2.74% 16.44% $17,086 $234 $1,553 0 0
Robert Mosco 3 16 5.33 1 3 1 6.25% 31.25% $9,785 $612 $3,262 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
Gordon C. Colbourne 14 55 3.93 7 3 4 12.73% 25.45% $42,818 $779 $3,058 0 0
Robert Mosco 5 17 3.4 3 2 5 17.65% 58.82% $16,335 $961 $3,267 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
Gordon C. Colbourne 16 94 5.88 6 10 10 6.38% 27.66% $114,371 $1,217 $7,148 0 1
Robert Mosco 2 2 1 0 0 0 0% 0% $315 $158 $158 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
Gordon C. Colbourne 17 90 5.29 5 6 13 5.56% 26.67% $156,963 $1,744 $9,233 0 1
Robert Mosco 2 8 4 1 0 2 12.5% 37.5% $3,545 $443 $1,773 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
Gordon C. Colbourne 13 91 7 3 12 6 3.3% 23.08% $197,745 $2,173 $15,211 1 1
Robert Mosco 1 5 5 0 0 0 0% 0% $1,095 $219 $1,095 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
Gordon C. Colbourne 17 101 5.94 12 6 9 11.88% 26.73% $233,812 $2,315 $13,754 1 1
Robert Mosco 3 8 2.67 0 2 1 0% 37.5% $6,438 $805 $2,146 0 0