All 25 horses race in 5 heats
The 4th and 5th of each heat eliminated
Race 6 is the winners of the 5 heats.
Race 7 is the 1st, 2nd and 3rd placegetters of race 6 plus the horses that finished 2nd and 3rd in the heats to the winner of race 6.
And, no. I havent looked up the answers
