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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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Robert A. MacDonald 4 24 6 4 2 5 16.67% 45.83% $40,674 $1,695 $10,169 0 0
Arlen Dieno 6 13 2.17 2 2 3 15.38% 53.85% $10,566 $813 $1,761 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
Robert A. MacDonald 7 37 5.29 4 2 4 10.81% 27.03% $27,043 $731 $3,863 0 0
Arlen Dieno 8 29 3.63 0 2 3 0% 17.24% $8,779 $303 $1,097 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
Robert A. MacDonald 9 40 4.44 4 4 5 10% 32.5% $45,141 $1,129 $5,016 0 0
Arlen Dieno 12 63 5.25 6 5 7 9.52% 28.57% $20,342 $323 $1,695 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
Robert A. MacDonald 13 61 4.69 4 7 10 6.56% 34.43% $49,278 $808 $3,791 0 0
Arlen Dieno 17 62 3.65 8 5 7 12.9% 32.26% $26,312 $424 $1,548 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
Robert A. MacDonald 7 34 4.86 5 5 6 14.71% 47.06% $51,546 $1,516 $7,364 0 0
Arlen Dieno 15 73 4.87 9 12 9 12.33% 41.1% $30,458 $417 $2,031 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
Robert A. MacDonald 8 29 3.63 2 7 2 6.9% 37.93% $46,083 $1,589 $5,760 0 0
Arlen Dieno 14 73 5.21 9 10 10 12.33% 39.73% $29,477 $404 $2,106 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
Robert A. MacDonald 8 47 5.88 10 8 9 21.28% 57.45% $115,044 $2,448 $14,381 0 0
Arlen Dieno 17 68 4 8 15 10 11.76% 48.53% $31,509 $463 $1,853 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Robert A. MacDonald 6 30 5 4 2 4 13.33% 33.33% $48,259 $1,609 $8,043 0 0
Arlen Dieno 12 54 4.5 11 8 11 20.37% 55.56% $36,099 $669 $3,008 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
Robert A. MacDonald 7 38 5.43 10 4 1 26.32% 39.47% $120,765 $3,178 $17,252 0 1
Arlen Dieno 16 72 4.5 4 12 17 5.56% 45.83% $24,403 $339 $1,525 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
Robert A. MacDonald 4 28 7 8 3 4 28.57% 53.57% $91,892 $3,282 $22,973 0 0
Arlen Dieno 24 93 3.88 13 11 18 13.98% 45.16% $43,299 $466 $1,804 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
Robert A. MacDonald 4 27 6.75 5 1 2 18.52% 29.63% $48,086 $1,781 $12,022 0 0
Arlen Dieno 12 61 5.08 9 5 9 14.75% 37.7% $28,758 $471 $2,397 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
Robert A. MacDonald 6 28 4.67 1 5 5 3.57% 39.29% $21,240 $759 $3,540 0 0
Arlen Dieno 14 70 5 9 15 11 12.86% 50% $30,332 $433 $2,167 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
Robert A. MacDonald 4 33 8.25 4 6 3 12.12% 39.39% $70,842 $2,147 $17,711 0 1
Arlen Dieno 17 71 4.18 7 10 9 9.86% 36.62% $23,618 $333 $1,389 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
Robert A. MacDonald 9 48 5.33 6 5 5 12.5% 33.33% $59,870 $1,247 $6,652 0 0
Arlen Dieno 18 72 4 13 15 14 18.06% 58.33% $42,921 $596 $2,385 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
Robert A. MacDonald 9 52 5.78 2 9 6 3.85% 32.69% $41,198 $792 $4,578 0 0
Arlen Dieno 14 54 3.86 9 5 4 16.67% 33.33% $24,581 $455 $1,756 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
Robert A. MacDonald 7 61 8.71 1 2 12 1.64% 24.59% $26,700 $438 $3,814 0 0
Arlen Dieno 11 53 4.82 5 3 8 9.43% 30.19% $15,019 $283 $1,365 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
Robert A. MacDonald 10 56 5.6 6 8 5 10.71% 33.93% $68,488 $1,223 $6,849 0 0
Arlen Dieno 8 43 5.38 6 5 7 13.95% 41.86% $16,140 $375 $2,018 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
Robert A. MacDonald 10 66 6.6 4 13 8 6.06% 37.88% $104,168 $1,578 $10,417 0 1
Arlen Dieno 8 45 5.63 3 7 10 6.67% 44.44% $12,100 $269 $1,513 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
Robert A. MacDonald 12 62 5.17 3 7 9 4.84% 30.65% $40,829 $659 $3,402 0 0
Arlen Dieno 4 19 4.75 5 2 1 26.32% 42.11% $8,592 $452 $2,148 0 0