The magic number is ????

8 is the sweet spot!!!!

This season 4475 horses( which is very good considering economic environment) have been raced according to NHRA site.
In this era of High costs and low stakes, the question is what is the optimum strategy for an owner?
Some yards race for high strike rates and other for stakes. 
But what number of runs is the optimum for a horse in the 2023/2024 season?

1 Run 477 horses 23 wins 4.82% strike rate
2 Runs 478 horses 47 wins 4.92% strike rate
3 Runs 445 horses 94 wins 7.06% strike rate
4 Runs 446 horses 151 wins 8.46% strike rate
5 Runs 380 horses 197 wins 10.34% strike rate
6 Runs 351 horses 222 wins 10.54% strike rate
7 Runs 367 horses 288 wins 11.21% strike rate
8 Runs 352 horses 351 wins 12.46% strike rate.
9 Runs 353 horses 359 wins 11.30% strike rate
10 Runs 269 horses 316 wins 11.75% strike rate
11 Runs 208 horses 239 wins 10.45% strike rate
12 Runs 118 horses 143 wins 10.10% strike rate
13 Runs 92 horses 194 wins 8.70% strike rate