I like messing around with trends for the Grand National. Posting these here if anyone finds them interesting:
-14/17 of the past winners hit their best ever RPR in that season
– 12/17 of the past winners hit their best ever RPR last time out or penultimate start
– 13/17 of the past winners achieved an RPR 6 or more pounds higher than their OR for the Grand National
So ideally you want something which has achieved an RPR well above their current rating on their previous start:
Tiger Roll was the only recent double winner and he was even more of a likely winner on these trends in 2019 than 2018. 2019 he was +12 LTO whereas in 2018 he didnt qualify.