You don't set the purse. As the prestige for the competition increases, the purse amount increases.
i know all the cheats to howrse email me i am chloe-lou on howrse
no you don't have to pay it's free to enter competitions.
all you do is go to competitions and enter the howrse of your choice.
3 years old.
Go to competitions. and then click make one
You can make money through your job, lessons and competitions with your howrse, winning a prize from Xanthos, and selling things.
Buy it or win it in one of the monthly competitions
Competition results show up on your horse's history as they happen. You can also view them under the competitions tab.
You can complete objective 26 on howrse by selling stuff at the store, entering your horse in competitions, and selling horses.
the 4th of March at 23:00 Game time
Under the genetics tab. you can improve it by completing training and entering competitions.
train your horse and get bonuses for him/her...horses with good gp are best =D