Windmill bowling for my 14th marathon.used 10lb polyester plastic Backup ball 22 games 05-25-25

Bowled 22 games, High game was 225 for my 21 game had a Hambone this was also a NO-TAP9 300 game. with a 171.6 avg. 15 frames in a row with First ball 9 or better.
I must of had the 3-9 double wood 10 times & converted it about 7 times. only 3 games over 200. had 152 out of 220 frames first balls 9 or better. that 1 pin is killing my avg!!! I think that has BEEN MY BEST 9 or better first ball frames marathon YET!!
Had 2 HAMBONES. I must have had the 2-8 5 or 6 times converted it a couple times.