Skip to:

OwnerView is growing. Help introduce others to ownership.
Visit the
New Site

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 9 23 2.56 6 1 3 26.09% 43.48% $48,924 $2,127 $5,436 0 0
Andrew Tumblin 22 111 5.05 11 19 15 9.91% 40.54% $275,864 $2,485 $12,539 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
Andrew Tumblin 42 185 4.4 15 26 39 8.11% 43.24% $418,666 $2,263 $9,968 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 12 31 2.58 5 9 4 16.13% 58.06% $95,878 $3,093 $7,990 0 0
Andrew Tumblin 35 196 5.6 15 15 34 7.65% 32.65% $419,137 $2,138 $11,975 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
Mike Chambers 19 46 2.42 11 9 1 23.91% 45.65% $147,286 $3,202 $7,752 0 0
Andrew Tumblin 24 120 5 7 12 19 5.83% 31.67% $218,044 $1,817 $9,085 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 56 2.95 10 9 6 17.86% 44.64% $84,707 $1,513 $4,458 0 0
Andrew Tumblin 40 159 3.98 7 12 17 4.4% 22.64% $207,042 $1,302 $5,176 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
Andrew Tumblin 28 144 5.14 4 5 19 2.78% 19.44% $144,057 $1,000 $5,145 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
Andrew Tumblin 12 81 6.75 5 8 13 6.17% 32.1% $125,299 $1,547 $10,442 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 20 36 1.8 8 4 4 22.22% 44.44% $71,823 $1,995 $3,591 0 0
Andrew Tumblin 17 66 3.88 5 5 7 7.58% 25.76% $88,293 $1,338 $5,194 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
Mike Chambers 22 44 2 8 3 7 18.18% 40.91% $94,610 $2,150 $4,300 0 0
Andrew Tumblin 12 68 5.67 5 8 5 7.35% 26.47% $71,740 $1,055 $5,978 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 51 2.68 14 5 8 27.45% 52.94% $102,427 $2,008 $5,391 0 0
Andrew Tumblin 16 58 3.63 4 8 6 6.9% 31.03% $66,199 $1,141 $4,137 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 45 130 2.89 38 23 24 29.23% 65.38% $317,852 $2,445 $7,063 0 0
Andrew Tumblin 8 37 4.63 0 2 3 0% 13.51% $15,138 $409 $1,892 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
Andrew Tumblin 6 38 6.33 3 2 1 7.89% 15.79% $28,164 $741 $4,694 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
Mike Chambers 62 209 3.37 71 30 31 33.97% 63.16% $637,207 $3,049 $10,278 0 1
Andrew Tumblin 7 35 5 3 4 3 8.57% 28.57% $23,843 $681 $3,406 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
Andrew Tumblin 11 66 6 1 4 7 1.52% 18.18% $22,820 $346 $2,075 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 95 259 2.73 78 46 39 30.12% 62.93% $547,617 $2,114 $5,764 0 0
Andrew Tumblin 9 35 3.89 1 2 3 2.86% 17.14% $11,335 $324 $1,259 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
Andrew Tumblin 6 23 3.83 4 0 2 17.39% 26.09% $19,469 $846 $3,245 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
Mike Chambers 87 273 3.14 95 50 34 34.8% 65.57% $670,085 $2,455 $7,702 0 1
Andrew Tumblin 2 14 7 4 1 1 28.57% 42.86% $22,167 $1,583 $11,084 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 110 333 3.03 126 63 48 37.84% 71.17% $1,127,188 $3,385 $10,247 0 5
Andrew Tumblin 3 6 2 0 0 0 0% 0% $345 $58 $115 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
Andrew Tumblin 1 5 5 1 0 0 20% 20% $5,941 $1,188 $5,941 0 0