Determine your foot type
Identify your gait pattern
Measure your foot size accurately
Try shoes on later in the day
Leave thumb-width space at the toe
Check heel fit for slipping
Match shoe type to your running surface
Choose cushioning level you prefer
Consider stability if you overpronate
Select lightweight shoes for speed work
Select durable shoes for high mileage
Test both shoes by walking and jogging
Wear your running socks when trying shoes
Replace shoes when cushioning wears out
Prioritize comfort over brand or style