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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
Robert E. Gamber 2 7 3.5 0 0 2 0% 28.57% $11,325 $1,618 $5,663 0 0
Gordon C. Colbourne 7 18 2.57 3 2 2 16.67% 38.89% $81,119 $4,507 $11,588 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
Robert E. Gamber 1 2 2 0 0 0 0% 0% $1,460 $730 $1,460 0 0
Gordon C. Colbourne 8 45 5.63 2 2 8 4.44% 26.67% $164,814 $3,663 $20,602 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
Robert E. Gamber 3 13 4.33 1 0 2 7.69% 23.08% $17,495 $1,346 $5,832 0 0
Gordon C. Colbourne 9 40 4.44 5 3 7 12.5% 37.5% $167,839 $4,196 $18,649 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
Robert E. Gamber 4 20 5 2 1 2 10% 25% $57,840 $2,892 $14,460 0 0
Gordon C. Colbourne 9 43 4.78 3 7 5 6.98% 34.88% $122,648 $2,852 $13,628 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
Robert E. Gamber 5 25 5 0 3 1 0% 16% $43,188 $1,728 $8,638 0 0
Gordon C. Colbourne 9 50 5.56 6 3 8 12% 34% $183,060 $3,661 $20,340 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
Robert E. Gamber 6 30 5 2 1 3 6.67% 20% $65,629 $2,188 $10,938 0 0
Gordon C. Colbourne 11 56 5.09 3 3 5 5.36% 19.64% $109,059 $1,947 $9,914 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
Robert E. Gamber 8 36 4.5 1 1 0 2.78% 5.56% $49,311 $1,370 $6,164 0 0
Gordon C. Colbourne 12 60 5 2 4 5 3.33% 18.33% $88,564 $1,476 $7,380 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
Robert E. Gamber 5 35 7 2 1 6 5.71% 25.71% $76,078 $2,174 $15,216 0 0
Gordon C. Colbourne 8 43 5.38 6 5 4 13.95% 34.88% $241,849 $5,624 $30,231 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
Robert E. Gamber 5 24 4.8 1 0 2 4.17% 12.5% $35,970 $1,499 $7,194 0 0
Gordon C. Colbourne 14 55 3.93 1 3 6 1.82% 18.18% $111,210 $2,022 $7,944 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
Robert E. Gamber 10 39 3.9 1 0 1 2.56% 5.13% $19,624 $503 $1,962 0 0
Gordon C. Colbourne 13 61 4.69 6 4 2 9.84% 19.67% $232,622 $3,813 $17,894 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
Robert E. Gamber 9 57 6.33 4 0 6 7.02% 17.54% $70,290 $1,233 $7,810 0 0
Gordon C. Colbourne 11 53 4.82 4 4 3 7.55% 20.75% $106,061 $2,001 $9,642 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
Robert E. Gamber 11 78 7.09 3 5 8 3.85% 20.51% $78,284 $1,004 $7,117 0 0
Gordon C. Colbourne 13 66 5.08 2 6 8 3.03% 24.24% $105,307 $1,596 $8,101 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
Robert E. Gamber 13 51 3.92 1 1 2 1.96% 7.84% $34,690 $680 $2,668 0 0
Gordon C. Colbourne 13 86 6.62 9 11 8 10.47% 32.56% $276,998 $3,221 $21,308 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
Robert E. Gamber 9 46 5.11 2 3 3 4.35% 17.39% $46,565 $1,012 $5,174 0 0
Gordon C. Colbourne 10 51 5.1 2 4 3 3.92% 17.65% $104,750 $2,054 $10,475 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
Robert E. Gamber 13 79 6.08 2 5 7 2.53% 17.72% $57,115 $723 $4,393 0 0
Gordon C. Colbourne 11 51 4.64 4 1 7 7.84% 23.53% $103,241 $2,024 $9,386 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
Robert E. Gamber 12 92 7.67 3 2 10 3.26% 16.3% $48,605 $528 $4,050 0 0
Gordon C. Colbourne 6 36 6 3 3 3 8.33% 25% $109,259 $3,035 $18,210 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
Robert E. Gamber 13 91 7 3 4 4 3.3% 12.09% $43,960 $483 $3,382 0 0
Gordon C. Colbourne 10 52 5.2 4 6 2 7.69% 23.08% $131,525 $2,529 $13,153 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
Robert E. Gamber 16 90 5.63 5 6 7 5.56% 20% $69,645 $774 $4,353 0 0
Gordon C. Colbourne 12 57 4.75 2 2 7 3.51% 19.3% $97,898 $1,718 $8,158 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
Robert E. Gamber 15 70 4.67 3 7 4 4.29% 20% $54,950 $785 $3,663 0 0
Gordon C. Colbourne 9 45 5 1 2 4 2.22% 15.56% $59,334 $1,319 $6,593 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
Robert E. Gamber 18 77 4.28 4 3 8 5.19% 19.48% $58,840 $764 $3,269 0 0
Gordon C. Colbourne 8 47 5.88 1 4 7 2.13% 25.53% $86,280 $1,836 $10,785 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
Robert E. Gamber 13 52 4 6 2 7 11.54% 28.85% $63,965 $1,230 $4,920 0 0
Gordon C. Colbourne 13 58 4.46 2 5 4 3.45% 18.97% $152,865 $2,636 $11,759 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
Robert E. Gamber 11 62 5.64 2 1 13 3.23% 25.81% $44,945 $725 $4,086 0 0
Gordon C. Colbourne 13 52 4 0 7 3 0% 19.23% $89,493 $1,721 $6,884 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
Robert E. Gamber 11 66 6 5 4 4 7.58% 19.7% $85,522 $1,296 $7,775 0 0
Gordon C. Colbourne 12 82 6.83 8 9 5 9.76% 26.83% $278,261 $3,393 $23,188 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
Robert E. Gamber 17 49 2.88 2 3 2 4.08% 14.29% $35,993 $735 $2,117 0 0
Gordon C. Colbourne 14 55 3.93 2 6 10 3.64% 32.73% $209,097 $3,802 $14,936 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
Robert E. Gamber 19 117 6.16 5 15 10 4.27% 25.64% $110,180 $942 $5,799 0 0
Gordon C. Colbourne 11 50 4.55 3 5 9 6% 34% $203,345 $4,067 $18,486 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
Robert E. Gamber 20 103 5.15 3 8 12 2.91% 22.33% $80,684 $783 $4,034 0 0
Gordon C. Colbourne 9 35 3.89 1 4 2 2.86% 20% $84,761 $2,422 $9,418 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
Robert E. Gamber 19 114 6 7 12 13 6.14% 28.07% $141,699 $1,243 $7,458 0 0
Gordon C. Colbourne 8 22 2.75 1 4 2 4.55% 31.82% $98,658 $4,484 $12,332 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
Robert E. Gamber 23 170 7.39 15 19 22 8.82% 32.94% $309,156 $1,819 $13,442 0 1
Gordon C. Colbourne 6 21 3.5 0 1 1 0% 9.52% $14,714 $701 $2,452 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
Robert E. Gamber 17 89 5.24 8 11 6 8.99% 28.09% $177,663 $1,996 $10,451 0 0
Gordon C. Colbourne 5 18 3.6 1 2 1 5.56% 22.22% $14,577 $810 $2,915 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
Robert E. Gamber 13 88 6.77 5 10 14 5.68% 32.95% $91,946 $1,045 $7,073 0 0
Gordon C. Colbourne 11 73 6.64 2 4 6 2.74% 16.44% $17,086 $234 $1,553 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
Robert E. Gamber 5 36 7.2 1 3 4 2.78% 22.22% $9,890 $275 $1,978 0 0
Gordon C. Colbourne 14 55 3.93 7 3 4 12.73% 25.45% $42,818 $779 $3,058 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
Robert E. Gamber 7 58 8.29 3 4 5 5.17% 20.69% $21,263 $367 $3,038 0 0
Gordon C. Colbourne 16 94 5.88 6 10 10 6.38% 27.66% $114,371 $1,217 $7,148 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
Robert E. Gamber 5 34 6.8 2 10 1 5.88% 38.24% $19,234 $566 $3,847 0 0
Gordon C. Colbourne 17 90 5.29 5 6 13 5.56% 26.67% $156,963 $1,744 $9,233 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
Robert E. Gamber 11 47 4.27 5 2 5 10.64% 25.53% $23,194 $493 $2,109 0 0
Gordon C. Colbourne 13 91 7 3 12 6 3.3% 23.08% $197,745 $2,173 $15,211 1 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
Robert E. Gamber 7 55 7.86 6 9 11 10.91% 47.27% $50,680 $921 $7,240 0 0
Gordon C. Colbourne 17 101 5.94 12 6 9 11.88% 26.73% $233,812 $2,315 $13,754 1 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
Robert E. Gamber 12 62 5.17 5 5 6 8.06% 25.81% $36,452 $588 $3,038 0 0
Gordon C. Colbourne 15 99 6.6 12 15 8 12.12% 35.35% $80,783 $816 $5,386 0 0