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
Gary G. Hartlage 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Dino DiZeo 6 13 2.17 2 4 2 15.38% 61.54% $29,320 $2,255 $4,887 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
Gary G. Hartlage 2 3 1.5 0 0 0 0% 0% $7,789 $2,596 $3,895 0 0
Dino DiZeo 23 102 4.43 10 15 14 9.8% 38.24% $177,987 $1,745 $7,739 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
Gary G. Hartlage 3 28 9.33 3 3 1 10.71% 25% $147,207 $5,257 $49,069 0 0
Dino DiZeo 29 121 4.17 11 13 19 9.09% 35.54% $220,943 $1,826 $7,619 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
Gary G. Hartlage 4 13 3.25 0 4 2 0% 46.15% $37,074 $2,852 $9,269 0 0
Dino DiZeo 11 30 2.73 3 2 4 10% 30% $42,680 $1,423 $3,880 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
Gary G. Hartlage 3 15 5 1 0 1 6.67% 13.33% $38,521 $2,568 $12,840 0 0
Dino DiZeo 10 45 4.5 6 9 6 13.33% 46.67% $107,688 $2,393 $10,769 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
Gary G. Hartlage 4 14 3.5 0 0 0 0% 0% $12,091 $864 $3,023 0 0
Dino DiZeo 9 27 3 4 5 3 14.81% 44.44% $39,875 $1,477 $4,431 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
Gary G. Hartlage 6 21 3.5 2 1 0 9.52% 14.29% $120,960 $5,760 $20,160 0 0
Dino DiZeo 11 27 2.45 3 2 4 11.11% 33.33% $47,824 $1,771 $4,348 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
Gary G. Hartlage 9 45 5 5 1 3 11.11% 20% $115,104 $2,558 $12,789 0 0
Dino DiZeo 2 10 5 0 0 0 0% 0% $1,264 $126 $632 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
Gary G. Hartlage 8 46 5.75 2 2 6 4.35% 21.74% $97,277 $2,115 $12,160 0 0
Dino DiZeo 4 21 5.25 3 0 1 14.29% 19.05% $19,505 $929 $4,876 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
Gary G. Hartlage 12 56 4.67 4 8 6 7.14% 32.14% $207,724 $3,709 $17,310 0 0
Dino DiZeo 2 10 5 0 0 1 0% 10% $2,684 $268 $1,342 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
Gary G. Hartlage 13 59 4.54 6 8 6 10.17% 33.9% $243,820 $4,133 $18,755 0 0
Dino DiZeo 1 1 1 0 0 0 0% 0% $80 $80 $80 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
Gary G. Hartlage 20 87 4.35 14 7 7 16.09% 32.18% $637,839 $7,331 $31,892 1 1
Dino DiZeo 8 37 4.63 2 3 4 5.41% 24.32% $27,215 $736 $3,402 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
Gary G. Hartlage 16 74 4.63 12 8 11 16.22% 41.89% $668,604 $9,035 $41,788 1 1
Dino DiZeo 10 61 6.1 11 6 8 18.03% 40.98% $79,306 $1,300 $7,931 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
Gary G. Hartlage 15 70 4.67 7 4 8 10% 27.14% $243,605 $3,480 $16,240 1 1
Dino DiZeo 10 30 3 3 4 5 10% 40% $52,749 $1,758 $5,275 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
Gary G. Hartlage 12 58 4.83 13 7 6 22.41% 44.83% $388,152 $6,692 $32,346 2 2
Dino DiZeo 7 40 5.71 8 8 3 20% 47.5% $76,596 $1,915 $10,942 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
Gary G. Hartlage 17 83 4.88 10 14 8 12.05% 38.55% $228,804 $2,757 $13,459 0 0
Dino DiZeo 5 24 4.8 4 5 3 16.67% 50% $38,011 $1,584 $7,602 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
Gary G. Hartlage 16 75 4.69 12 8 10 16% 40% $251,289 $3,351 $15,706 0 1
Dino DiZeo 2 7 3.5 2 2 0 28.57% 57.14% $15,800 $2,257 $7,900 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 $22,031
Gary G. Hartlage 48 269 5.6 39 19 28 14.5% 31.97% $725,015 $2,695 $15,104 0 1
Dino DiZeo 3 8 2.67 1 2 2 12.5% 62.5% $13,400 $1,675 $4,467 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
Gary G. Hartlage 68 298 4.38 32 40 38 10.74% 36.91% $891,149 $2,990 $13,105 0 1
Dino DiZeo 1 3 3 0 0 0 0% 0% $25 $8 $25 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
Gary G. Hartlage 48 239 4.98 29 39 25 12.13% 38.91% $555,599 $2,325 $11,575 0 0
Dino DiZeo 14 58 4.14 4 5 5 6.9% 24.14% $42,824 $738 $3,059 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
Gary G. Hartlage 51 247 4.84 47 27 32 19.03% 42.91% $991,680 $4,015 $19,445 1 5
Dino DiZeo 13 75 5.77 5 7 5 6.67% 22.67% $32,574 $434 $2,506 0 0