why do they do this?

[ontheoutside]

i have been watching chanal 12 o t b channel on one t v
channal 26 tvg when a big rqace is on
channal 13 n b c
and not one of them will show you the race before
as soon as versus goes off
there are always 2 races before the big one on these 3 saturdays that u dont get to watch
why is that>
i used to see[or at least i think i was able to see the 2 races before on some channal]
why no more?