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July 4, 2023, was a memorable day for meand it had nothing to do with the holiday.

Photographed by Annie Leibovitz,Vogue, April 2008
If thats you, read on.
Here is everything I learned in training for my inaugural marathon endeavor.
But try not to be too hard on yourself.
You didnt suddenly become out of cardiovascular shape or lose the running foundation youve been building.
A harder-working heart means harder-working…well, everything.
A wearable heart-rate tracker like anApple Watchor aCoroscan keep you safe by helping you stay within yourtarget heart rate.
Electrolytes
Incredibly, our bodies have a built-in cooling mechanismbut it can come with a cost.
When we sweat, we lose not only water but alsoelectrolytes.
These are important minerals including sodium, magnesium, and potassiumthat our bodies rely on to function properly.
This likely isnt the first youre hearing of electrolytes.
These have been a staple in my outdoor summer activities for years.
For the heavy sweaters out there (Im one of you!
), I became obsessed with drinkingLMNTafter really hot training runs.
LMNT leaves the carbohydrates behind to focus solely on sodium, which helpsfight off muscle cramps.
My go-to during marathon trainingand still before any long runwasVans blueberry protein waffles.
(I always craved a smoked salmon and cream cheese bagel.)
I recommend the raspberry flavor.
One of my best running investments is theLululemon Fast and Free running belt.
Do your feet pronate inward?
Do you have weak hips that might cause you to put extra strain on your IT band and ankles?
Basically, I didnt know my own body.
Luckily, many running stores offer complimentary assessments of your form to help you find the perfect shoe.
Give yourself grace
Call it cliche, but it truly is a marathon and not a sprint.
Race day is great, but it is the training that is really the gift.