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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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
George R. Arnold II 58 162 2.79 26 13 27 16.05% 40.74% $2,551,239 $15,748 $43,987 0 7
Bob G. Dunham 1 1 1 0 1 0 0% 100% $6,200 $6,200 $6,200 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 R. Arnold II 89 296 3.33 40 27 39 13.51% 35.81% $5,603,177 $18,930 $62,957 5 7
Bob G. Dunham 2 10 5 1 0 1 10% 20% $36,814 $3,681 $18,407 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 R. Arnold II 77 265 3.44 38 29 30 14.34% 36.6% $4,372,072 $16,498 $56,780 3 7
Bob G. Dunham 2 6 3 1 0 0 16.67% 16.67% $33,803 $5,634 $16,902 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 R. Arnold II 85 261 3.07 26 29 32 9.96% 33.33% $3,230,122 $12,376 $38,001 3 4
Bob G. Dunham 5 11 2.2 0 0 1 0% 9.09% $20,426 $1,857 $4,085 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 R. Arnold II 82 256 3.12 32 31 27 12.5% 35.16% $2,790,593 $10,901 $34,032 1 2
Bob G. Dunham 5 17 3.4 0 0 3 0% 17.65% $47,161 $2,774 $9,432 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 R. Arnold II 64 228 3.56 37 32 28 16.23% 42.54% $3,591,929 $15,754 $56,124 3 6
Bob G. Dunham 9 31 3.44 3 4 3 9.68% 32.26% $292,095 $9,422 $32,455 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 R. Arnold II 65 223 3.43 27 22 22 12.11% 31.84% $1,586,106 $7,113 $24,402 2 3
Bob G. Dunham 9 25 2.78 0 3 0 0% 12% $45,462 $1,818 $5,051 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 R. Arnold II 70 252 3.6 38 27 32 15.08% 38.49% $4,221,733 $16,753 $60,310 6 9
Bob G. Dunham 11 43 3.91 4 7 2 9.3% 30.23% $232,810 $5,414 $21,165 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 R. Arnold II 57 247 4.33 38 27 31 15.38% 38.87% $2,476,021 $10,024 $43,439 5 6
Bob G. Dunham 3 25 8.33 2 0 3 8% 20% $65,515 $2,621 $21,838 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 R. Arnold II 64 266 4.16 33 36 42 12.41% 41.73% $2,768,718 $10,409 $43,261 5 9
Bob G. Dunham 5 20 4 1 3 3 5% 35% $74,599 $3,730 $14,920 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 R. Arnold II 57 248 4.35 36 33 34 14.52% 41.53% $2,238,309 $9,025 $39,269 1 3
Bob G. Dunham 3 14 4.67 0 0 0 0% 0% $10,728 $766 $3,576 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 R. Arnold II 53 200 3.77 20 25 21 10% 33% $1,078,969 $5,395 $20,358 0 0
Bob G. Dunham 3 16 5.33 1 0 3 6.25% 25% $43,118 $2,695 $14,373 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 R. Arnold II 50 214 4.28 23 38 29 10.75% 42.06% $1,474,259 $6,889 $29,485 2 2
Bob G. Dunham 4 8 2 0 0 0 0% 0% $6,806 $851 $1,702 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 R. Arnold II 65 234 3.6 27 32 29 11.54% 37.61% $1,704,902 $7,286 $26,229 3 5
Bob G. Dunham 5 21 4.2 1 3 0 4.76% 19.05% $55,523 $2,644 $11,105 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 R. Arnold II 64 260 4.06 36 41 35 13.85% 43.08% $2,354,583 $9,056 $36,790 4 7
Bob G. Dunham 6 33 5.5 4 2 1 12.12% 21.21% $155,441 $4,710 $25,907 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 R. Arnold II 84 294 3.5 34 40 38 11.56% 38.1% $1,434,029 $4,878 $17,072 0 0
Bob G. Dunham 7 45 6.43 2 4 6 4.44% 26.67% $76,386 $1,697 $10,912 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
George R. Arnold II 82 304 3.71 37 43 36 12.17% 38.16% $2,105,210 $6,925 $25,673 2 4
Bob G. Dunham 7 50 7.14 4 5 8 8% 34% $108,349 $2,167 $15,478 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 R. Arnold II 83 309 3.72 43 39 41 13.92% 39.81% $2,266,502 $7,335 $27,307 4 4
Bob G. Dunham 9 48 5.33 2 2 8 4.17% 25% $88,404 $1,842 $9,823 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 R. Arnold II 81 313 3.86 50 36 40 15.97% 40.26% $2,392,905 $7,645 $29,542 4 7
Bob G. Dunham 10 60 6 4 7 2 6.67% 21.67% $161,771 $2,696 $16,177 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 R. Arnold II 70 254 3.63 32 43 43 12.6% 46.46% $1,952,114 $7,685 $27,887 2 4
Bob G. Dunham 8 41 5.13 1 4 6 2.44% 26.83% $84,524 $2,062 $10,566 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 R. Arnold II 49 171 3.49 29 17 16 16.96% 36.26% $986,944 $5,772 $20,142 0 0
Bob G. Dunham 9 46 5.11 3 5 5 6.52% 28.26% $109,232 $2,375 $12,137 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 R. Arnold II 47 166 3.53 22 23 26 13.25% 42.77% $1,133,117 $6,826 $24,109 3 3
Bob G. Dunham 9 53 5.89 4 4 9 7.55% 32.08% $134,295 $2,534 $14,922 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 R. Arnold II 51 189 3.71 24 25 28 12.7% 40.74% $1,270,678 $6,723 $24,915 0 6
Bob G. Dunham 10 44 4.4 3 1 5 6.82% 20.45% $127,732 $2,903 $12,773 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 R. Arnold II 63 259 4.11 34 47 35 13.13% 44.79% $1,961,444 $7,573 $31,134 1 5
Bob G. Dunham 12 35 2.92 0 5 3 0% 22.86% $61,917 $1,769 $5,160 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 R. Arnold II 58 269 4.64 36 43 36 13.38% 42.75% $1,775,316 $6,600 $30,609 0 6
Bob G. Dunham 9 58 6.44 4 2 4 6.9% 17.24% $85,905 $1,481 $9,545 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 R. Arnold II 69 289 4.19 47 43 37 16.26% 43.94% $2,421,943 $8,380 $35,101 2 6
Bob G. Dunham 13 66 5.08 3 3 6 4.55% 18.18% $145,010 $2,197 $11,155 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 R. Arnold II 68 363 5.34 47 61 45 12.95% 42.15% $2,262,516 $6,233 $33,272 0 8
Bob G. Dunham 14 96 6.86 8 8 6 8.33% 22.92% $209,775 $2,185 $14,984 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 R. Arnold II 71 322 4.54 60 47 29 18.63% 42.24% $2,771,678 $8,608 $39,038 1 7
Bob G. Dunham 11 71 6.45 10 3 8 14.08% 29.58% $233,445 $3,288 $21,222 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 R. Arnold II 61 268 4.39 42 44 34 15.67% 44.78% $1,968,309 $7,344 $32,267 1 5
Bob G. Dunham 10 66 6.6 1 11 10 1.52% 33.33% $84,175 $1,275 $8,418 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 R. Arnold II 54 270 5 51 35 33 18.89% 44.07% $2,532,526 $9,380 $46,899 5 7
Bob G. Dunham 8 44 5.5 2 8 4 4.55% 31.82% $77,865 $1,770 $9,733 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 R. Arnold II 53 275 5.19 40 31 36 14.55% 38.91% $1,861,011 $6,767 $35,113 2 4
Bob G. Dunham 9 33 3.67 3 2 2 9.09% 21.21% $68,915 $2,088 $7,657 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 R. Arnold II 52 230 4.42 26 35 33 11.3% 40.87% $1,043,833 $4,538 $20,074 2 2
Bob G. Dunham 16 70 4.38 5 9 5 7.14% 27.14% $166,225 $2,375 $10,389 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
George R. Arnold II 46 217 4.72 29 27 22 13.36% 35.94% $1,060,305 $4,886 $23,050 1 2
Bob G. Dunham 21 94 4.48 6 9 18 6.38% 35.11% $163,340 $1,738 $7,778 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 R. Arnold II 41 185 4.51 24 25 36 12.97% 45.95% $1,125,238 $6,082 $27,445 2 3
Bob G. Dunham 18 99 5.5 7 10 9 7.07% 26.26% $167,558 $1,693 $9,309 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 R. Arnold II 47 219 4.66 30 31 37 13.7% 44.75% $1,493,457 $6,819 $31,776 2 3
Bob G. Dunham 20 65 3.25 5 5 8 7.69% 27.69% $85,826 $1,320 $4,291 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 R. Arnold II 70 292 4.17 34 56 40 11.64% 44.52% $1,231,303 $4,217 $17,590 2 2
Bob G. Dunham 13 83 6.38 0 9 8 0% 20.48% $76,160 $918 $5,858 0 0