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
George Papaprodromou 48 141 2.94 24 25 26 17.02% 53.19% $1,086,500 $7,706 $22,635 0 0
Nestor R. Rivera 58 239 4.12 44 35 46 18.41% 52.3% $949,522 $3,973 $16,371 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
George Papaprodromou 95 346 3.64 50 27 49 14.45% 36.42% $2,292,240 $6,625 $24,129 2 4
Nestor R. Rivera 76 478 6.29 99 96 64 20.71% 54.18% $2,021,688 $4,229 $26,601 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
George Papaprodromou 98 375 3.83 55 33 54 14.67% 37.87% $2,674,528 $7,132 $27,291 1 1
Nestor R. Rivera 83 420 5.06 76 65 65 18.1% 49.05% $1,621,452 $3,861 $19,536 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
George Papaprodromou 118 458 3.88 59 53 72 12.88% 40.17% $3,588,804 $7,836 $30,414 3 5
Nestor R. Rivera 69 368 5.33 77 69 55 20.92% 54.62% $1,529,362 $4,156 $22,165 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
George Papaprodromou 132 406 3.08 59 46 48 14.53% 37.68% $3,392,502 $8,356 $25,701 4 5
Nestor R. Rivera 61 319 5.23 50 51 50 15.67% 47.34% $1,045,980 $3,279 $17,147 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
George Papaprodromou 43 161 3.74 19 23 17 11.8% 36.65% $881,260 $5,474 $20,494 0 0
Nestor R. Rivera 45 271 6.02 45 40 39 16.61% 45.76% $753,628 $2,781 $16,747 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
George Papaprodromou 40 177 4.43 13 21 29 7.34% 35.59% $580,497 $3,280 $14,512 0 0
Nestor R. Rivera 33 183 5.55 22 20 33 12.02% 40.98% $351,867 $1,923 $10,663 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
George Papaprodromou 42 155 3.69 18 17 20 11.61% 35.48% $681,499 $4,397 $16,226 0 0
Nestor R. Rivera 27 141 5.22 16 13 17 11.35% 32.62% $244,573 $1,735 $9,058 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
George Papaprodromou 42 186 4.43 22 26 23 11.83% 38.17% $540,235 $2,904 $12,863 0 0
Nestor R. Rivera 16 100 6.25 15 16 12 15% 43% $220,226 $2,202 $13,764 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
George Papaprodromou 40 157 3.93 19 18 18 12.1% 35.03% $663,857 $4,228 $16,596 1 1
Nestor R. Rivera 15 71 4.73 7 6 4 9.86% 23.94% $82,100 $1,156 $5,473 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
George Papaprodromou 51 192 3.76 17 21 27 8.85% 33.85% $901,085 $4,693 $17,668 0 3
Nestor R. Rivera 11 39 3.55 8 6 3 20.51% 43.59% $65,568 $1,681 $5,961 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
George Papaprodromou 45 166 3.69 9 23 21 5.42% 31.93% $813,282 $4,899 $18,073 0 0
Nestor R. Rivera 10 47 4.7 8 6 5 17.02% 40.43% $90,142 $1,918 $9,014 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
George Papaprodromou 47 196 4.17 16 24 28 8.16% 34.69% $1,900,435 $9,696 $40,435 1 1
Nestor R. Rivera 12 46 3.83 5 9 7 10.87% 45.65% $62,560 $1,360 $5,213 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
George Papaprodromou 20 81 4.05 7 7 8 8.64% 27.16% $196,710 $2,429 $9,836 0 0
Nestor R. Rivera 1 1 1 0 0 0 0% 0% $73 $73 $73 0 0