5 % race in non championship mode

i have read the f1gstate.sav in hexdecimal editor
when i edit the quickrace mode 10% from 5% length the 6D8 offset change from 0A to 05,the offset that make the non championship race lenght is 1766 but when i change the value from 0A to 05 the file become corrupt.
There is other way to put the non-championship race lenght to 5%?

if you enter a quickrace using default config, and then quit, change to a non championship race, the non championship race distance remains at the quickrace setting, which is 5% unless you edit it using gpxpatch

can you make this and send me your f1gstate.sav to alexandrefaustini@gmail.com I try but i didn´t make it.

forget it...i could make it..thanks!