www.run4prs.com What is one thing you would do differently for your first marathon if you could go back? Do it sooner & not overthink it so much Have no ego Run based off effort Have fun with it Train better How many miles can a pair of shoes get before you need to retire them? When to wear certain types of shoes Easy run Clifton Carbon X Endorphin Nike Workouts Alpha Fueling during runs and training Before During after