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
Gerald Kokoski 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donald C. Bookman 4 13 3.25 0 0 0 0% 0% $9,583 $737 $2,396 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
Gerald Kokoski 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donald C. Bookman 8 27 3.38 4 7 3 14.81% 51.85% $120,915 $4,478 $15,114 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
Gerald Kokoski 1 2 2 0 0 0 0% 0% $546 $273 $546 0 0
Donald C. Bookman 8 33 4.13 6 4 5 18.18% 45.45% $138,295 $4,191 $17,287 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
Gerald Kokoski 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donald C. Bookman 2 10 5 0 1 1 0% 20% $10,734 $1,073 $5,367 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
Gerald Kokoski 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donald C. Bookman 3 8 2.67 0 1 1 0% 25% $10,865 $1,358 $3,622 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
Gerald Kokoski 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donald C. Bookman 2 20 10 3 4 3 15% 50% $112,383 $5,619 $56,192 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
Gerald Kokoski 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donald C. Bookman 11 66 6 6 9 6 9.09% 31.82% $169,315 $2,565 $15,392 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
Gerald Kokoski 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donald C. Bookman 15 81 5.4 3 10 8 3.7% 25.93% $55,859 $690 $3,724 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
Gerald Kokoski 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donald C. Bookman 17 116 6.82 13 10 9 11.21% 27.59% $124,415 $1,073 $7,319 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
Gerald Kokoski 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donald C. Bookman 25 153 6.12 20 18 12 13.07% 32.68% $163,446 $1,068 $6,538 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
Gerald Kokoski 3 7 2.33 0 0 0 0% 0% $859 $123 $286 0 0
Donald C. Bookman 14 86 6.14 9 7 10 10.47% 30.23% $115,959 $1,348 $8,283 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
Gerald Kokoski 5 28 5.6 2 0 1 7.14% 10.71% $13,977 $499 $2,795 0 0
Donald C. Bookman 12 90 7.5 5 10 12 5.56% 30% $112,490 $1,250 $9,374 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
Gerald Kokoski 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donald C. Bookman 9 54 6 4 5 6 7.41% 27.78% $72,289 $1,339 $8,032 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
Gerald Kokoski 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donald C. Bookman 11 60 5.45 6 8 12 10% 43.33% $110,301 $1,838 $10,027 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
Gerald Kokoski 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donald C. Bookman 6 40 6.67 3 6 2 7.5% 27.5% $67,097 $1,677 $11,183 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
Gerald Kokoski 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donald C. Bookman 6 29 4.83 0 1 0 0% 3.45% $12,426 $428 $2,071 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
Gerald Kokoski 4 13 3.25 0 0 1 0% 7.69% $2,832 $218 $708 0 0
Donald C. Bookman 8 43 5.38 3 9 4 6.98% 37.21% $89,706 $2,086 $11,213 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Gerald Kokoski 4 17 4.25 1 1 2 5.88% 23.53% $11,820 $695 $2,955 0 0
Donald C. Bookman 7 31 4.43 2 3 1 6.45% 19.35% $23,516 $759 $3,359 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
Gerald Kokoski 14 56 4 5 5 4 8.93% 25% $57,722 $1,031 $4,123 0 0
Donald C. Bookman 4 12 3 0 0 3 0% 25% $3,239 $270 $810 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
Gerald Kokoski 12 30 2.5 2 1 2 6.67% 16.67% $21,053 $702 $1,754 0 0
Donald C. Bookman 17 73 4.29 8 9 7 10.96% 32.88% $54,983 $753 $3,234 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
Gerald Kokoski 4 16 4 1 3 0 6.25% 25% $12,959 $810 $3,240 0 0
Donald C. Bookman 16 94 5.88 19 11 15 20.21% 47.87% $103,359 $1,100 $6,460 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
Gerald Kokoski 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donald C. Bookman 6 12 2 1 3 1 8.33% 41.67% $8,826 $736 $1,471 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
Gerald Kokoski 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donald C. Bookman 7 39 5.57 4 4 4 10.26% 30.77% $14,234 $365 $2,033 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
Gerald Kokoski 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donald C. Bookman 12 81 6.75 8 13 11 9.88% 39.51% $64,088 $791 $5,341 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
Gerald Kokoski 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donald C. Bookman 13 74 5.69 9 10 11 12.16% 40.54% $42,159 $570 $3,243 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
Gerald Kokoski 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donald C. Bookman 17 104 6.12 7 9 12 6.73% 26.92% $46,749 $450 $2,750 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
Gerald Kokoski 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Donald C. Bookman 2 2 1 0 0 0 0% 0% $74 $37 $37 0 0