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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
Pamela A. Arnold 1 3 3 0 0 0 0% 0% $1,260 $420 $1,260 0 0
Mark Jensen 7 9 1.29 1 1 3 11.11% 55.56% $14,400 $1,600 $2,057 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
Pamela A. Arnold 1 1 1 1 0 0 100% 100% $10,200 $10,200 $10,200 0 0
Mark Jensen 12 28 2.33 5 4 5 17.86% 50% $59,490 $2,125 $4,958 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
Pamela A. Arnold 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Mark Jensen 2 11 5.5 0 3 2 0% 45.45% $9,140 $831 $4,570 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
Pamela A. Arnold 20 35 1.75 7 5 5 20% 48.57% $159,827 $4,566 $7,991 0 0
Mark Jensen 4 5 1.25 0 0 0 0% 0% $1,253 $251 $313 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
Pamela A. Arnold 3 15 5 3 3 2 20% 53.33% $36,172 $2,411 $12,057 0 0
Mark Jensen 4 7 1.75 5 0 1 71.43% 85.71% $19,770 $2,824 $4,943 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
Pamela A. Arnold 7 22 3.14 1 1 2 4.55% 18.18% $20,253 $921 $2,893 0 0
Mark Jensen 6 11 1.83 1 3 3 9.09% 63.64% $8,326 $757 $1,388 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
Pamela A. Arnold 7 18 2.57 0 2 2 0% 22.22% $13,835 $769 $1,976 0 0
Mark Jensen 5 6 1.2 1 1 0 16.67% 33.33% $10,866 $1,811 $2,173 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
Pamela A. Arnold 10 53 5.3 2 5 8 3.77% 28.3% $67,185 $1,268 $6,719 0 0
Mark Jensen 6 8 1.33 3 0 1 37.5% 50% $16,047 $2,006 $2,675 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
Pamela A. Arnold 10 48 4.8 2 4 10 4.17% 33.33% $91,967 $1,916 $9,197 0 0
Mark Jensen 3 5 1.67 1 1 2 20% 80% $6,616 $1,323 $2,205 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
Pamela A. Arnold 12 48 4 3 4 7 6.25% 29.17% $97,477 $2,031 $8,123 0 0
Mark Jensen 3 6 2 1 1 1 16.67% 50% $4,884 $814 $1,628 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
Pamela A. Arnold 12 52 4.33 8 6 9 15.38% 44.23% $174,039 $3,347 $14,503 0 0
Mark Jensen 15 43 2.87 3 0 4 6.98% 16.28% $18,319 $426 $1,221 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
Pamela A. Arnold 8 33 4.13 3 9 7 9.09% 57.58% $108,594 $3,291 $13,574 0 0
Mark Jensen 27 143 5.3 16 17 8 11.19% 28.67% $144,711 $1,012 $5,360 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
Pamela A. Arnold 8 36 4.5 4 7 1 11.11% 33.33% $71,485 $1,986 $8,936 0 0
Mark Jensen 27 125 4.63 8 16 12 6.4% 28.8% $123,923 $991 $4,590 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
Pamela A. Arnold 8 40 5 2 8 4 5% 35% $48,602 $1,215 $6,075 0 0
Mark Jensen 27 144 5.33 15 19 25 10.42% 40.97% $189,942 $1,319 $7,035 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
Pamela A. Arnold 13 50 3.85 3 6 7 6% 32% $61,790 $1,236 $4,753 0 0
Mark Jensen 22 102 4.64 13 12 7 12.75% 31.37% $147,313 $1,444 $6,696 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
Pamela A. Arnold 13 31 2.38 0 2 6 0% 25.81% $19,232 $620 $1,479 0 0
Mark Jensen 14 67 4.79 10 9 8 14.93% 40.3% $172,212 $2,570 $12,301 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
Pamela A. Arnold 8 63 7.88 4 9 17 6.35% 47.62% $114,264 $1,814 $14,283 0 0
Mark Jensen 13 33 2.54 2 4 2 6.06% 24.24% $30,485 $924 $2,345 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
Pamela A. Arnold 14 47 3.36 2 3 2 4.26% 14.89% $45,550 $969 $3,254 0 0
Mark Jensen 9 25 2.78 1 1 0 4% 8% $6,282 $251 $698 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
Pamela A. Arnold 11 46 4.18 3 4 7 6.52% 30.43% $55,796 $1,213 $5,072 0 0
Mark Jensen 17 59 3.47 3 2 5 5.08% 16.95% $21,754 $369 $1,280 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
Pamela A. Arnold 2 9 4.5 1 0 0 11.11% 11.11% $5,925 $658 $2,963 0 0
Mark Jensen 8 20 2.5 0 1 0 0% 5% $3,492 $175 $437 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
Pamela A. Arnold 16 39 2.44 3 7 6 7.69% 41.03% $34,662 $889 $2,166 0 0
Mark Jensen 9 30 3.33 2 2 3 6.67% 23.33% $13,502 $450 $1,500 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
Pamela A. Arnold 34 104 3.06 7 9 6 6.73% 21.15% $88,549 $851 $2,604 0 0
Mark Jensen 14 44 3.14 1 1 3 2.27% 11.36% $8,950 $203 $639 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
Pamela A. Arnold 35 183 5.23 19 21 19 10.38% 32.24% $224,290 $1,226 $6,408 0 0
Mark Jensen 7 15 2.14 1 2 3 6.67% 40% $11,951 $797 $1,707 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
Pamela A. Arnold 32 144 4.5 16 13 18 11.11% 32.64% $148,302 $1,030 $4,634 0 0
Mark Jensen 18 60 3.33 3 2 6 5% 18.33% $20,785 $346 $1,155 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
Pamela A. Arnold 26 121 4.65 10 13 17 8.26% 33.06% $104,460 $863 $4,018 0 0
Mark Jensen 9 25 2.78 0 3 2 0% 20% $4,886 $195 $543 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
Pamela A. Arnold 29 187 6.45 24 19 27 12.83% 37.43% $232,867 $1,245 $8,030 0 0
Mark Jensen 6 18 3 5 0 3 27.78% 44.44% $18,854 $1,047 $3,142 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
Pamela A. Arnold 38 217 5.71 32 32 23 14.75% 40.09% $324,413 $1,495 $8,537 0 0
Mark Jensen 2 2 1 0 0 0 0% 0% $216 $108 $108 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
Pamela A. Arnold 31 159 5.13 30 24 22 18.87% 47.8% $270,410 $1,701 $8,723 0 0
Mark Jensen 2 5 2.5 3 0 0 60% 60% $3,619 $724 $1,810 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Pamela A. Arnold 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Mark Jensen 1 1 1 0 0 0 0% 0% $55 $55 $55 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
Pamela A. Arnold 7 26 3.71 2 3 1 7.69% 23.08% $10,536 $405 $1,505 0 0
Mark Jensen 2 3 1.5 0 0 0 0% 0% $51 $17 $26 0 0