its all random i had a horse that had av best distance 1m4f but stats said he was a sprinter and he won a few 6f g1's
then overnight his stamina bar jumped to a 1m2f horse then it went up again and at 4yo and he won g1s at 6,10,12f
there is no set time when they get there stamina its different for every horse

Ok cheers Sabella and pjr for your hindsight (big word for me )

no worries exxplozion

No problem Exxplozion - those stat bars have baffled me for years, so I'm just glad to have figured one of them out, lol!