I’ve run six marathons, and the essential item I never run without is $5 in the Prime Day sales

jane mcguire and amazon box — (Image credit: Instagram/janecmcguire/Shutterstock/Veja)

I’m a fitness editor who runs marathons for fun, and one item you’ll never find me running without is sunscreen. I’m determined to keep wrinkles at bay forever, and one of the best ways to prevent signs of aging is protecting your skin from sun damage, so rain or shine, I make sure I’ve got SPF on my skin.

Right now, my go-to sunscreen for running is down to $5 in the Amazon Prime Day sales. You can grab the Neutrogena Sport Face Sunscreen for $5 on Amazon right now, down from $15. Don’t delay, this one is bound to sell out!

Sure, Amazon Prime Day has some great deals on running shoes and Oura Rings, but personally, I use Prime Days to stock up on the essentials I use all year round, not make big purchases. This sunscreen is my go-to for training all year round, but especially during the summer months.

If you’ve ever returned from your run to find burn marks around your vest, you’ll know how easy it is to catch the sun as you sweat. This is because the sweat forms a thin layer of moisture on your skin, and the wet surface acts like a micro-mirror, reflecting the UV rays hitting your face, shoulders, and chest. If you’re running on concrete or a running track, you’ll also have UV radiation reflected back up at your body.

Of course, skin damage isn’t just about aging. Dermatological studies show that outdoor athletes have significantly higher rates of melanoma and non-melanoma skin cancers, so wearing sunscreen is a must, no matter how far you’re running.

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Jane McGuire is Tom's Guide's Fitness Managing Editor, which means she looks after everything fitness-related - from running gear to yoga mats. An avid runner, Jane has tested and reviewed fitness products for the past ten years, so knows what to look for when finding a good running watch or a pair of shorts with pockets big enough for your smartphone.