Check the horse girl’s aptitudes in the character profile
Prioritize trainees with A or higher Long distance aptitude
Use inheritance to raise Long distance aptitude before training
Pick support cards that boost stamina, power, and long-distance performance
Train stamina heavily for long-distance races
Raise speed enough to maintain race pace
Improve guts and wisdom for stability and skill activation
Learn long-distance and recovery skills from support cards and events
Enter long-distance races to build appropriate stat growth and skill points
Use factors from parents with Long distance aptitude
Choose a career path and race schedule with long-distance targets
Aim for characters naturally suited to long-distance running
Equip skills that reduce stamina loss during long races
Use training scenarios that provide strong stamina support
Increase fan count and skill points to unlock key long-distance skills