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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
Mike Chambers 12 29 2.42 5 9 4 17.24% 62.07% $70,830 $2,442 $5,903 0 0
Brian Williamson 10 34 3.4 2 4 5 5.88% 32.35% $94,469 $2,779 $9,447 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
Mike Chambers 9 23 2.56 6 1 3 26.09% 43.48% $48,924 $2,127 $5,436 0 0
Brian Williamson 19 93 4.89 11 7 9 11.83% 29.03% $368,198 $3,959 $19,379 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
Mike Chambers 18 34 1.89 2 7 8 5.88% 50% $65,543 $1,928 $3,641 0 0
Brian Williamson 20 81 4.05 9 7 9 11.11% 30.86% $361,959 $4,469 $18,098 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
Mike Chambers 12 31 2.58 5 9 4 16.13% 58.06% $95,878 $3,093 $7,990 0 0
Brian Williamson 24 89 3.71 12 8 12 13.48% 35.96% $605,863 $6,807 $25,244 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
Mike Chambers 19 46 2.42 11 9 1 23.91% 45.65% $147,286 $3,202 $7,752 0 0
Brian Williamson 25 130 5.2 12 13 17 9.23% 32.31% $615,415 $4,734 $24,617 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
Mike Chambers 19 56 2.95 10 9 6 17.86% 44.64% $84,707 $1,513 $4,458 0 0
Brian Williamson 30 135 4.5 6 23 23 4.44% 38.52% $645,162 $4,779 $21,505 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
Mike Chambers 11 21 1.91 0 2 4 0% 28.57% $10,038 $478 $913 0 0
Brian Williamson 29 149 5.14 12 15 21 8.05% 32.21% $558,177 $3,746 $19,247 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
Mike Chambers 15 35 2.33 6 5 7 17.14% 51.43% $49,450 $1,413 $3,297 0 0
Brian Williamson 51 334 6.55 42 33 45 12.57% 35.93% $1,168,958 $3,500 $22,921 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
Mike Chambers 20 36 1.8 8 4 4 22.22% 44.44% $71,823 $1,995 $3,591 0 0
Brian Williamson 49 328 6.69 43 38 46 13.11% 38.72% $1,248,124 $3,805 $25,472 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
Mike Chambers 22 44 2 8 3 7 18.18% 40.91% $94,610 $2,150 $4,300 0 0
Brian Williamson 48 302 6.29 31 37 52 10.26% 39.74% $1,233,296 $4,084 $25,694 1 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
Mike Chambers 19 51 2.68 14 5 8 27.45% 52.94% $102,427 $2,008 $5,391 0 0
Brian Williamson 45 272 6.04 30 46 41 11.03% 43.01% $1,161,504 $4,270 $25,811 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
Mike Chambers 45 130 2.89 38 23 24 29.23% 65.38% $317,852 $2,445 $7,063 0 0
Brian Williamson 42 272 6.48 43 42 38 15.81% 45.22% $922,474 $3,391 $21,964 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
Mike Chambers 51 195 3.82 48 36 31 24.62% 58.97% $464,949 $2,384 $9,117 0 0
Brian Williamson 44 287 6.52 45 38 49 15.68% 45.99% $1,108,424 $3,862 $25,191 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
Mike Chambers 62 209 3.37 71 30 31 33.97% 63.16% $637,207 $3,049 $10,278 0 1
Brian Williamson 49 273 5.57 34 29 39 12.45% 37.36% $864,296 $3,166 $17,639 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
Mike Chambers 72 212 2.94 62 47 39 29.25% 69.81% $603,376 $2,846 $8,380 0 1
Brian Williamson 56 355 6.34 37 45 51 10.42% 37.46% $1,346,677 $3,793 $24,048 1 6

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
Mike Chambers 95 259 2.73 78 46 39 30.12% 62.93% $547,617 $2,114 $5,764 0 0
Brian Williamson 48 316 6.58 47 40 38 14.87% 39.56% $876,711 $2,774 $18,265 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
Mike Chambers 77 232 3.01 79 61 29 34.05% 72.84% $626,917 $2,702 $8,142 0 0
Brian Williamson 45 277 6.16 40 32 37 14.44% 39.35% $832,918 $3,007 $18,509 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
Mike Chambers 87 273 3.14 95 50 34 34.8% 65.57% $670,085 $2,455 $7,702 0 1
Brian Williamson 74 427 5.77 51 55 52 11.94% 37% $1,183,767 $2,772 $15,997 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
Mike Chambers 110 333 3.03 126 63 48 37.84% 71.17% $1,127,188 $3,385 $10,247 0 5
Brian Williamson 74 451 6.09 68 50 70 15.08% 41.69% $1,587,190 $3,519 $21,449 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
Mike Chambers 57 171 3 51 46 18 29.82% 67.25% $498,813 $2,917 $8,751 0 0
Brian Williamson 75 377 5.03 45 58 52 11.94% 41.11% $1,450,938 $3,849 $19,346 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
Mike Chambers 21 38 1.81 14 7 10 36.84% 81.58% $103,288 $2,718 $4,918 0 0
Brian Williamson 76 339 4.46 55 50 45 16.22% 44.25% $1,559,620 $4,601 $20,521 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
Mike Chambers 2 5 2.5 2 2 1 40% 100% $11,370 $2,274 $5,685 0 0
Brian Williamson 64 337 5.27 60 49 45 17.8% 45.7% $1,441,240 $4,277 $22,519 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
Mike Chambers 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Brian Williamson 51 156 3.06 26 24 16 16.67% 42.31% $699,338 $4,483 $13,713 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
Mike Chambers 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Brian Williamson 48 207 4.31 17 25 26 8.21% 32.85% $564,936 $2,729 $11,770 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
Mike Chambers 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Brian Williamson 31 78 2.52 5 8 4 6.41% 21.79% $152,343 $1,953 $4,914 0 0