Skip to:

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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kelly Rubley 20 112 5.6 6 6 9 5.36% 18.75% $215,673 $1,926 $10,784 0 0
Jeff W. Zook 24 94 3.92 12 8 15 12.77% 37.23% $266,828 $2,839 $11,118 0 0
Randy Mayfield 1 5 5 0 1 1 0% 40% $31,060 $6,212 $31,060 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kelly Rubley 24 121 5.04 12 10 17 9.92% 32.23% $441,250 $3,647 $18,385 0 0
Jeff W. Zook 18 66 3.67 3 16 8 4.55% 40.91% $89,683 $1,359 $4,982 0 0
Randy Mayfield 1 2 2 0 1 0 0% 50% $3,608 $1,804 $3,608 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kelly Rubley 57 269 4.72 38 49 32 14.13% 44.24% $1,788,649 $6,649 $31,380 1 3
Jeff W. Zook 13 45 3.46 6 3 4 13.33% 28.89% $77,094 $1,713 $5,930 0 0
Randy Mayfield 1 1 1 0 0 0 0% 0% $264 $264 $264 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kelly Rubley 52 229 4.4 35 31 29 15.28% 41.48% $1,264,608 $5,522 $24,319 0 1
Jeff W. Zook 11 41 3.73 2 5 6 4.88% 31.71% $47,670 $1,163 $4,334 0 0
Randy Mayfield 1 2 2 0 0 0 0% 0% $200 $100 $200 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kelly Rubley 40 151 3.78 17 23 22 11.26% 41.06% $761,874 $5,046 $19,047 0 0
Jeff W. Zook 10 34 3.4 5 2 3 14.71% 29.41% $53,365 $1,570 $5,337 0 0
Randy Mayfield 8 53 6.63 6 9 5 11.32% 37.74% $102,600 $1,936 $12,825 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kelly Rubley 20 86 4.3 12 9 13 13.95% 39.53% $604,306 $7,027 $30,215 0 2
Jeff W. Zook 11 45 4.09 3 9 7 6.67% 42.22% $60,261 $1,339 $5,478 0 0
Randy Mayfield 21 108 5.14 13 10 13 12.04% 33.33% $153,307 $1,420 $7,300 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kelly Rubley 6 26 4.33 5 3 4 19.23% 46.15% $204,513 $7,866 $34,086 0 0
Jeff W. Zook 14 44 3.14 1 1 9 2.27% 25% $34,111 $775 $2,437 0 0
Randy Mayfield 10 49 4.9 3 13 7 6.12% 46.94% $72,492 $1,479 $7,249 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kelly Rubley 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jeff W. Zook 19 64 3.37 2 5 1 3.13% 12.5% $64,537 $1,008 $3,397 0 0
Randy Mayfield 16 74 4.63 9 10 11 12.16% 40.54% $115,505 $1,561 $7,219 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kelly Rubley 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jeff W. Zook 32 81 2.53 2 5 10 2.47% 20.99% $51,723 $639 $1,616 0 0
Randy Mayfield 20 94 4.7 13 9 10 13.83% 34.04% $140,991 $1,500 $7,050 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kelly Rubley 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jeff W. Zook 26 90 3.46 5 11 13 5.56% 32.22% $108,394 $1,204 $4,169 0 0
Randy Mayfield 26 133 5.12 15 18 18 11.28% 38.35% $219,783 $1,653 $8,453 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kelly Rubley 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jeff W. Zook 20 63 3.15 3 6 5 4.76% 22.22% $55,083 $874 $2,754 0 0
Randy Mayfield 19 101 5.32 11 14 24 10.89% 48.51% $132,531 $1,312 $6,975 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kelly Rubley 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jeff W. Zook 16 31 1.94 0 2 0 0% 6.45% $12,604 $407 $788 0 0
Randy Mayfield 17 85 5 8 14 11 9.41% 38.82% $123,634 $1,455 $7,273 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kelly Rubley 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jeff W. Zook 6 7 1.17 0 0 2 0% 28.57% $4,513 $645 $752 0 0
Randy Mayfield 39 179 4.59 14 19 17 7.82% 27.93% $233,360 $1,304 $5,984 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kelly Rubley 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jeff W. Zook 4 8 2 1 0 0 12.5% 12.5% $16,022 $2,003 $4,006 0 0
Randy Mayfield 37 152 4.11 36 19 17 23.68% 47.37% $470,382 $3,095 $12,713 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kelly Rubley 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jeff W. Zook 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Randy Mayfield 40 202 5.05 35 42 26 17.33% 50.99% $596,244 $2,952 $14,906 0 4

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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kelly Rubley 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jeff W. Zook 2 3 1.5 0 0 1 0% 33.33% $864 $288 $432 0 0
Randy Mayfield 37 176 4.76 31 35 19 17.61% 48.3% $375,846 $2,135 $10,158 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kelly Rubley 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jeff W. Zook 1 1 1 0 0 0 0% 0% $64 $64 $64 0 0
Randy Mayfield 46 175 3.8 20 29 21 11.43% 40% $272,249 $1,556 $5,918 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kelly Rubley 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jeff W. Zook 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Randy Mayfield 32 184 5.75 26 18 29 14.13% 39.67% $363,668 $1,976 $11,365 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kelly Rubley 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jeff W. Zook 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Randy Mayfield 40 159 3.98 25 13 23 15.72% 38.36% $373,284 $2,348 $9,332 0 4

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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kelly Rubley 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jeff W. Zook 1 1 1 0 0 0 0% 0% $0 $0 $0 0 0
Randy Mayfield 32 165 5.16 21 30 17 12.73% 41.21% $399,522 $2,421 $12,485 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kelly Rubley 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jeff W. Zook 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Randy Mayfield 26 111 4.27 14 15 7 12.61% 32.43% $438,088 $3,947 $16,850 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kelly Rubley 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jeff W. Zook 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Randy Mayfield 28 138 4.93 24 10 23 17.39% 41.3% $322,963 $2,340 $11,534 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kelly Rubley 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jeff W. Zook 1 4 4 0 0 0 0% 0% $124 $31 $124 0 0
Randy Mayfield 25 88 3.52 9 7 10 10.23% 29.55% $91,742 $1,043 $3,670 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kelly Rubley 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jeff W. Zook 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Randy Mayfield 23 116 5.04 12 15 12 10.34% 33.62% $86,263 $744 $3,751 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kelly Rubley 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jeff W. Zook 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Randy Mayfield 11 38 3.45 4 4 4 10.53% 31.58% $19,940 $525 $1,813 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kelly Rubley 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jeff W. Zook 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Randy Mayfield 5 12 2.4 0 3 4 0% 58.33% $8,774 $731 $1,755 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Kelly Rubley 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Jeff W. Zook 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Randy Mayfield 17 38 2.24 3 3 9 7.89% 39.47% $49,151 $1,293 $2,891 0 0