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Women's I had a BIG DAY Running Tank Top

Regular price $39.00

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Please reference size chart at the bottom of the description.

Spend $150 to get free shipping

Are you ready to let the world know you've had a BIG DAY running? Look no further than our "Women's I Had a BIG DAY Running Tank Top." Part of the exclusive BIG DAY Running Collection, this tank top is not just a piece of clothing—it's a statement.

Made from 100% combed and ringspun cotton, this tank is as soft as the pillow you dream of during those long runs. For those who like a little extra techno-fabric magic, we've got a tri-blend option that's like wearing a cloud made of unicorns—50% polyester for durability, 25% combed cotton for comfort, and 25% rayon for a bit of mystical stretch.

Why settle for screaming about your run milestones when you can wear them proudly? This tank comes in classic Black, nautical Navy, mysterious Charcoal-black triblend, and sleek asphalt. Each color says, "I just had a BIG DAY, and yes, I’m awesome." With its side-seamed construction, this tank top is crafted to fit the victorious contours of your "just conquered the world" body.

But it’s not just about looking good—it’s about feeling great! The sleeveless design lets you showcase those runner's arms you’ve been working on. It’s perfect for sunny victory laps, casual coffee runs, or even your "I'm just going to sit here and bask in my own greatness" moments.

Whether you blitzed a 5K or powered through a marathon, wearing this tank top might just make you want to run another lap, just for the fun of it. Or not. We understand if you just want to lounge around and enjoy the glory.

So, get ready to don your new favorite tank top, hit the pavement, or the party, and let everyone know, "I Had a BIG DAY Running!" because every day you run is a BIG DAY.

• 100% combed and ringspun cotton
• Tri-blends are 50% polyester/25% combed/25% ringspun cotton/rayon
• Fabric weight: 4.2 oz/yd² (142.40 g/m²), triblends: 3.8 oz/yd² (90.07 g/m²)
• 30 singles thread weight
• Side-seamed

This product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions!

Size guide

  BODY LENGTH (inches) BODY WIDTH (inches)
XS 26 16 ¼
S 27 18 ¼
M 28 20 ¼
L 29 22 ¼
XL 30 24 ¼
2XL 31 26 ¼
XS 66 41.3
S 68.6 46.4
M 71.1 51.4
L 73.7 56.5
XL 76.2 61.6
2XL 78.7 66.7

Return Policy FAQs


We don’t offer returns and exchanges, but if there’s something wrong with your order, please let us know by contacting us using our contact form.


Refunds are only offered to customers that receive the wrong items or damaged items. If any of these apply, please contact us at with photos of wrong/damaged items and we’ll sort that out for you.


At this time, we don't offer exchanges. If you’re unsure which size would fit better, check out our sizing charts—we have one for every item listed on our store, in the product description section. Though rare, it's possible that an item you ordered was mislabeled. If that’s the case, please let us know at within a week after receiving your order. Include your order number and photos of the mislabeled item, and we’ll send you a new one, or issue a refund!

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