Endurance House Jacksonville is your one stop shop for Walking, Running, Swimming, Cycling, Nutrition, Recovery and more – and now shop online!. Come into Endurance House Jacksonville and experience our FREE shoe fitting service, the Personalized Movement Profile. This no-cost-service requires No-Appointment and will get you outfitted with the correct shoe! We are also the home of the GURU Bike Fit System. The most advanced bike fitting system available.