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
Oliver P. Hosang, Jr. 2 6 3 0 1 0 0% 16.67% $20,247 $3,375 $10,124 0 0
Kathleen Mastin 2 12 6 0 2 1 0% 25% $11,243 $937 $5,622 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
Oliver P. Hosang, Jr. 2 7 3.5 0 1 2 0% 42.86% $37,106 $5,301 $18,553 0 0
Kathleen Mastin 5 38 7.6 2 9 7 5.26% 47.37% $114,558 $3,015 $22,912 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
Oliver P. Hosang, Jr. 2 9 4.5 0 1 2 0% 33.33% $42,853 $4,761 $21,427 0 0
Kathleen Mastin 3 23 7.67 3 5 5 13.04% 56.52% $89,167 $3,877 $29,722 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
Oliver P. Hosang, Jr. 2 4 2 0 0 0 0% 0% $878 $220 $439 0 0
Kathleen Mastin 4 11 2.75 0 0 1 0% 9.09% $4,513 $410 $1,128 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
Oliver P. Hosang, Jr. 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Kathleen Mastin 4 22 5.5 0 2 8 0% 45.45% $18,898 $859 $4,725 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
Oliver P. Hosang, Jr. 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Kathleen Mastin 2 20 10 1 4 2 5% 35% $23,330 $1,167 $11,665 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
Oliver P. Hosang, Jr. 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Kathleen Mastin 2 22 11 4 2 3 18.18% 40.91% $38,098 $1,732 $19,049 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
Oliver P. Hosang, Jr. 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Kathleen Mastin 2 7 3.5 1 0 1 14.29% 28.57% $11,055 $1,579 $5,528 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
Oliver P. Hosang, Jr. 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Kathleen Mastin 2 18 9 0 1 5 0% 33.33% $8,100 $450 $4,050 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
Oliver P. Hosang, Jr. 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Kathleen Mastin 5 31 6.2 2 1 2 6.45% 16.13% $32,041 $1,034 $6,408 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
Oliver P. Hosang, Jr. 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Kathleen Mastin 6 61 10.17 2 6 8 3.28% 26.23% $49,366 $809 $8,228 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
Oliver P. Hosang, Jr. 5 19 3.8 0 2 0 0% 10.53% $23,839 $1,255 $4,768 0 0
Kathleen Mastin 10 71 7.1 6 4 6 8.45% 22.54% $55,338 $779 $5,534 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
Oliver P. Hosang, Jr. 2 9 4.5 0 0 0 0% 0% $3,688 $410 $1,844 0 0
Kathleen Mastin 6 64 10.67 9 9 8 14.06% 40.63% $80,280 $1,254 $13,380 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
Oliver P. Hosang, Jr. 4 17 4.25 0 0 0 0% 0% $3,919 $231 $980 0 0
Kathleen Mastin 8 78 9.75 3 9 14 3.85% 33.33% $56,027 $718 $7,003 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
Oliver P. Hosang, Jr. 4 13 3.25 0 0 0 0% 0% $2,348 $181 $587 0 0
Kathleen Mastin 15 94 6.27 8 6 14 8.51% 29.79% $97,965 $1,042 $6,531 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
Oliver P. Hosang, Jr. 1 12 12 0 0 2 0% 16.67% $6,754 $563 $6,754 0 0
Kathleen Mastin 12 112 9.33 11 12 17 9.82% 35.71% $135,926 $1,214 $11,327 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
Oliver P. Hosang, Jr. 1 6 6 0 0 0 0% 0% $2,656 $443 $2,656 0 0
Kathleen Mastin 12 84 7 8 11 10 9.52% 34.52% $88,506 $1,054 $7,376 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
Oliver P. Hosang, Jr. 1 9 9 0 0 0 0% 0% $2,051 $228 $2,051 0 0
Kathleen Mastin 8 56 7 8 4 7 14.29% 33.93% $67,303 $1,202 $8,413 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
Oliver P. Hosang, Jr. 1 2 2 0 0 0 0% 0% $126 $63 $126 0 0
Kathleen Mastin 6 55 9.17 5 9 8 9.09% 40% $63,127 $1,148 $10,521 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
Oliver P. Hosang, Jr. 2 4 2 0 0 0 0% 0% $512 $128 $256 0 0
Kathleen Mastin 6 50 8.33 2 4 4 4% 20% $23,704 $474 $3,951 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
Oliver P. Hosang, Jr. 1 1 1 0 0 0 0% 0% $0 $0 $0 0 0
Kathleen Mastin 11 64 5.82 5 6 6 7.81% 26.56% $50,167 $784 $4,561 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
Oliver P. Hosang, Jr. 2 9 4.5 0 0 1 0% 11.11% $14,410 $1,601 $7,205 0 0
Kathleen Mastin 7 38 5.43 3 9 5 7.89% 44.74% $31,611 $832 $4,516 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
Oliver P. Hosang, Jr. 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Kathleen Mastin 6 39 6.5 6 2 9 15.38% 43.59% $43,808 $1,123 $7,301 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
Oliver P. Hosang, Jr. 1 4 4 0 0 0 0% 0% $1,320 $330 $1,320 0 0
Kathleen Mastin 6 56 9.33 1 7 9 1.79% 30.36% $24,168 $432 $4,028 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
Oliver P. Hosang, Jr. 1 6 6 1 0 1 16.67% 33.33% $12,760 $2,127 $12,760 0 0
Kathleen Mastin 7 63 9 4 5 7 6.35% 25.4% $30,463 $484 $4,352 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
Oliver P. Hosang, Jr. 3 17 5.67 0 1 1 0% 11.76% $7,580 $446 $2,527 0 0
Kathleen Mastin 9 44 4.89 8 6 9 18.18% 52.27% $56,867 $1,292 $6,319 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
Oliver P. Hosang, Jr. 4 17 4.25 1 0 2 5.88% 17.65% $16,220 $954 $4,055 0 0
Kathleen Mastin 3 19 6.33 1 4 5 5.26% 52.63% $8,519 $448 $2,840 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
Oliver P. Hosang, Jr. 4 15 3.75 0 1 1 0% 13.33% $13,205 $880 $3,301 0 0
Kathleen Mastin 1 5 5 1 1 1 20% 60% $3,584 $717 $3,584 0 0