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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 $22,028
Stephen P. Ubbink 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Shelton J. Zenon, Sr. 12 19 1.58 0 2 3 0% 26.32% $16,065 $846 $1,339 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 $22,028
Stephen P. Ubbink 1 8 8 1 3 1 12.5% 62.5% $25,341 $3,168 $25,341 0 0
Shelton J. Zenon, Sr. 35 175 5 11 15 13 6.29% 22.29% $195,690 $1,118 $5,591 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 $22,028
Stephen P. Ubbink 2 10 5 2 2 0 20% 40% $32,331 $3,233 $16,166 0 0
Shelton J. Zenon, Sr. 46 221 4.8 13 22 24 5.88% 26.7% $265,295 $1,200 $5,767 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 $22,028
Stephen P. Ubbink 1 8 8 2 1 1 25% 50% $30,608 $3,826 $30,608 0 0
Shelton J. Zenon, Sr. 44 241 5.48 20 25 24 8.3% 28.63% $406,655 $1,687 $9,242 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 $22,028
Stephen P. Ubbink 8 40 5 3 5 5 7.5% 32.5% $67,183 $1,680 $8,398 0 0
Shelton J. Zenon, Sr. 47 249 5.3 15 36 34 6.02% 34.14% $328,771 $1,320 $6,995 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 $22,028
Stephen P. Ubbink 15 61 4.07 4 6 14 6.56% 39.34% $90,413 $1,482 $6,028 0 0
Shelton J. Zenon, Sr. 36 159 4.42 6 14 20 3.77% 25.16% $177,140 $1,114 $4,921 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 $22,028
Stephen P. Ubbink 2 7 3.5 0 0 1 0% 14.29% $2,411 $344 $1,206 0 0
Shelton J. Zenon, Sr. 46 190 4.13 12 14 20 6.32% 24.21% $232,870 $1,226 $5,062 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 $22,028
Stephen P. Ubbink 1 8 8 1 0 0 12.5% 12.5% $11,744 $1,468 $11,744 0 0
Shelton J. Zenon, Sr. 44 209 4.75 13 21 23 6.22% 27.27% $299,715 $1,434 $6,812 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 $22,028
Stephen P. Ubbink 1 1 1 1 0 0 100% 100% $18,400 $18,400 $18,400 0 0
Shelton J. Zenon, Sr. 49 166 3.39 17 14 22 10.24% 31.93% $298,795 $1,800 $6,098 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 $22,028
Stephen P. Ubbink 2 11 5.5 1 1 0 9.09% 18.18% $9,470 $861 $4,735 0 0
Shelton J. Zenon, Sr. 40 143 3.58 10 10 20 6.99% 27.97% $162,040 $1,133 $4,051 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 $22,028
Stephen P. Ubbink 2 3 1.5 0 0 1 0% 33.33% $1,870 $623 $935 0 0
Shelton J. Zenon, Sr. 51 222 4.35 9 17 23 4.05% 22.07% $264,669 $1,192 $5,190 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 $22,028
Stephen P. Ubbink 3 21 7 2 2 5 9.52% 42.86% $27,355 $1,303 $9,118 0 0
Shelton J. Zenon, Sr. 39 143 3.67 10 12 13 6.99% 24.48% $225,313 $1,576 $5,777 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 $22,028
Stephen P. Ubbink 3 20 6.67 1 3 4 5% 40% $36,855 $1,843 $12,285 0 0
Shelton J. Zenon, Sr. 48 160 3.33 7 15 25 4.38% 29.38% $171,515 $1,072 $3,573 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 $22,028
Stephen P. Ubbink 9 45 5 4 7 7 8.89% 40% $59,945 $1,332 $6,661 0 0
Shelton J. Zenon, Sr. 24 104 4.33 2 8 9 1.92% 18.27% $71,721 $690 $2,988 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 $22,028
Stephen P. Ubbink 8 40 5 2 0 6 5% 20% $22,244 $556 $2,781 0 0
Shelton J. Zenon, Sr. 15 66 4.4 1 1 4 1.52% 9.09% $40,704 $617 $2,714 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 $22,028
Stephen P. Ubbink 6 26 4.33 1 2 2 3.85% 19.23% $14,671 $564 $2,445 0 0
Shelton J. Zenon, Sr. 19 58 3.05 1 0 3 1.72% 6.9% $17,103 $295 $900 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 $22,028
Stephen P. Ubbink 8 39 4.88 2 6 4 5.13% 30.77% $46,357 $1,189 $5,795 0 0
Shelton J. Zenon, Sr. 22 92 4.18 5 3 10 5.43% 19.57% $62,759 $682 $2,853 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 $22,028
Stephen P. Ubbink 8 52 6.5 3 2 6 5.77% 21.15% $35,648 $686 $4,456 0 0
Shelton J. Zenon, Sr. 19 51 2.68 0 3 1 0% 7.84% $19,223 $377 $1,012 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 $22,028
Stephen P. Ubbink 11 65 5.91 11 10 12 16.92% 50.77% $118,929 $1,830 $10,812 0 0
Shelton J. Zenon, Sr. 3 3 1 0 0 0 0% 0% $0 $0 $0 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 $22,028
Stephen P. Ubbink 6 36 6 10 3 9 27.78% 61.11% $92,002 $2,556 $15,334 0 0
Shelton J. Zenon, Sr. 15 72 4.8 8 1 8 11.11% 23.61% $60,669 $843 $4,045 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 $22,028
Stephen P. Ubbink 7 44 6.29 4 6 3 9.09% 29.55% $31,683 $720 $4,526 0 0
Shelton J. Zenon, Sr. 17 119 7 6 11 13 5.04% 25.21% $57,690 $485 $3,394 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 $22,028
Stephen P. Ubbink 4 15 3.75 0 0 1 0% 6.67% $3,891 $259 $973 0 0
Shelton J. Zenon, Sr. 17 127 7.47 6 13 15 4.72% 26.77% $62,135 $489 $3,655 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 $22,028
Stephen P. Ubbink 7 36 5.14 3 4 3 8.33% 27.78% $24,622 $684 $3,517 0 0
Shelton J. Zenon, Sr. 10 94 9.4 6 14 12 6.38% 34.04% $47,809 $509 $4,781 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 $22,028
Stephen P. Ubbink 19 98 5.16 10 15 12 10.2% 37.76% $108,467 $1,107 $5,709 0 0
Shelton J. Zenon, Sr. 15 86 5.73 3 4 5 3.49% 13.95% $26,489 $308 $1,766 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 $22,028
Stephen P. Ubbink 16 123 7.69 14 15 19 11.38% 39.02% $95,540 $777 $5,971 0 0
Shelton J. Zenon, Sr. 11 46 4.18 2 2 7 4.35% 23.91% $12,905 $281 $1,173 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 $22,028
Stephen P. Ubbink 24 147 6.13 20 17 28 13.61% 44.22% $182,588 $1,242 $7,608 0 0
Shelton J. Zenon, Sr. 7 42 6 1 7 4 2.38% 28.57% $12,799 $305 $1,828 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 $22,028
Stephen P. Ubbink 16 98 6.13 13 11 14 13.27% 38.78% $79,853 $815 $4,991 0 0
Shelton J. Zenon, Sr. 3 22 7.33 3 2 2 13.64% 31.82% $10,011 $455 $3,337 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 $22,028
Stephen P. Ubbink 11 81 7.36 24 11 14 29.63% 60.49% $134,211 $1,657 $12,201 0 1
Shelton J. Zenon, Sr. 4 21 5.25 1 3 7 4.76% 52.38% $4,469 $213 $1,117 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 $22,028
Stephen P. Ubbink 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Shelton J. Zenon, Sr. 3 13 4.33 1 1 3 7.69% 38.46% $2,035 $157 $678 0 0