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Custom 10K Marathon T-Shirts

Lightweight, breathable custom t-shirts designed specifically for 10K runners. Fourthwall offers instant race team apparel with no minimum orders, zero upfront costs, and quick 10-minute setup on performance fabric.
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Make your own 10K Marathon t-shirts

Find your favorite product, upload your designs, and start creating shirts for 10k marathons
Bella+Canvas Supersoft T-ShirtBella+Canvas Supersoft T-Shirt
Bella+Canvas 3001
Bella+Canvas Supersoft T-Shirt
184
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Comfort Colors Garment-Dyed Heavyweight T-ShirtComfort Colors Garment-Dyed Heavyweight T-Shirt
Comfort Colors 1717
Comfort Colors Garment-Dyed Heavyweight T-Shirt
180
Printed
Embroidered
From $15.40
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No minimums
+40
Gildan Heavyweight T-ShirtGildan Heavyweight T-Shirt
Gildan 5000
Gildan Heavyweight T-Shirt
72
Printed
Embroidered
From $9.50
|
No minimums
+31
Gildan Unisex Softstyle T-ShirtGildan Unisex Softstyle T-Shirt
Gildan 64000
Gildan Unisex Softstyle T-Shirt
65
Printed
Embroidered
From $9.50
|
No minimums
+3
AS Colour Unisex Premium T-ShirtAS Colour Unisex Premium T-Shirt
AS Colour 5001T
AS Colour Unisex Premium T-Shirt
27
Printed
Embroidered
From $16.32
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No minimums
+1
Cotton Heritage Men's Premium Heavyweight TeeCotton Heritage Men's Premium Heavyweight Tee
Cotton Heritage MC1086
Cotton Heritage Men's Premium Heavyweight Tee
23
Printed
Embroidered
From $16.69
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No minimums
+3
Bella+Canvas Triblend Short Sleeve T-ShirtBella+Canvas Triblend Short Sleeve T-Shirt
Bella+Canvas 3413
Bella+Canvas Triblend Short Sleeve T-Shirt
14
Printed
Embroidered
From $18.20
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No minimums
+17
Next Level Supersoft T-ShirtNext Level Supersoft T-Shirt
Next Level 3600
Next Level Supersoft T-Shirt
13
Printed
Embroidered
From $16.70
|
No minimums
+18

What Are Custom Marathon Training T-Shirts?

10K race t-shirts are lightweight, breathable athletic shirts designed for 6.2-mile running events. Custom printed with race logos or participant names, these performance shirts are typically worn on race day to commemorate runners' achievements and display team or individual identity.

Make your 10K Marathon T-Shirts with our custom t-shirt maker:

Custom merch made easy, no experience necessary

An image showing how a product can go from creation in the product designer to a real mockup

Design the perfect product

Go beyond basic customization. Our product designer helps you create truly unique pieces with integrated tools, professional artist support, and hyper-realistic renders.
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12
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12
manufacturers
$4.80
avg. ship cost
4 days
avg. ship time
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Global manufacturing, local delivery

Our worldwide manufacturing network ensures your products are made and shipped from locations near your customers, significantly reducing delivery times and costs.

Popular Uses for Custom
10K Marathon T-Shirts

Race Day Team Uniforms

Moisture-wicking 10K race day t-shirts help runners stay cool during the 6.2-mile challenge. Order precise team quantities to ensure matching style without excess inventory.

Milestone Achievement Commemoratives

10K runners conquer 6.2 miles of personal triumph. Custom shirts celebrate their achievement with breathable, lightweight designs. No minimums required. Each shirt captures the runner's unique race day victory.

Training Group Visibility Shirts

Training groups build community through visual unity, but buying shirts for large, fluid rosters risks wasted spending. Custom t-shirts let you order exactly the number of shirts needed for current runners, adding team spirit without financial risk.

Personal Record Celebration Gear

Celebrate your 10K personal record with a custom t-shirt that captures your 6.2-mile achievement. Order exactly the design you want without buying bulk. Create a personalized memento of your running milestone.

Create and sell your custom 10K Marathon T-Shirts in 3 easy steps

1. Design Your Product

Browse our product catalog to find the perfect option for your 10k marathon t-shirts. Choose between multiple options like printed or embroidered to match your needs.
Browse all products →

2. Order Your Product

Fourthwall automatically generates apparel mockups of your products. When you're ready, you can place a bulk order of your 10k marathon t-shirts to ensure you're happy with the design and quality.
Learn more →

3. We Handle The Rest

Fourthwall prints, packs, and ships each order directly to your community. No inventory, no shipping labels, no hassle. You can even generate shareable store links. No need to collect their shipping address up front!
Learn how to sell →
Perfect for any 10k marathon
Creating impressive t-shirts for 10k marathons has never been easier. Our trusted platform is built to take the stress off of you, so you can go from idea to product in just minutes. Whatever you're making t-shirts for, Fourthwall makes it simple to design, customize, and share without the hassle.
“Working with Fourthwall is a fantastic experience. They allow us as creators to focus on what counts, the creative, and they handle the administration duties, such as logistics, imports, manufacturing, and most importantly, customer service. I’d recommend Fourthwall to all creators.”
Marques Brownlee (MKBHD)
mkbhd.com ↗

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Frequently asked questions

Why are custom 10k marathon t-shirts a good option?

Custom 10K marathon t-shirts are a powerful way to build team spirit, promote your event, and create a lasting impression for participants and supporters alike.

Whether you're organizing a community run, charity fundraiser, or corporate wellness challenge, personalized t-shirts help unify your group and showcase your branding.

With options to include event logos, sponsor names, and race-day graphics, these shirts become memorable keepsakes runners will wear long after the finish line. 

How can I order personalized 10k marathon t-shirts?

Ordering personalized 10K marathon t-shirts is quick and hassle-free. 

Start by uploading your custom design, whether it’s a race logo, team name, or your own graphic.

Next, choose from a variety of performance-ready t-shirt styles, colors, and sizes to match your event’s theme. With Fourthwall’s mockup generator tool, you’ll get a live preview of your design before publishing, so you can perfect every detail before placing your order. 

Once finalized, we’ll take care of the printing, shipping, and fulfillment, so you can focus on gearing up for race day and celebrating in style with your custom 10K marathon shirts.

Does Fourthwall ship worldwide?

Yes! Fourthwall works with manufacturing & fulfillment partners around the globe in the US, UK, EU, Canada, Mexico, Australia, and Japan.

Shipping rates are dynamically determined by the size of package and destination. We work with most major carriers and pass through the true cost of shipping. That means that you can offer low-cost, fast shipping to your fans. Most items have a delivery window of 5-8 days.

Be sure to browse our product catalog to find products that are fulfilled out of your target regions to provide the fastest & cheapest shipping for your community.

How do custom t-shirts improve breathability during a 10k race?

Custom moisture-wicking polyester t-shirts improve breathability during a 10k race by pulling sweat away from the skin and enabling rapid evaporation. Lightweight, 4-way stretch fabrics allow maximum airflow and prevent overheating while maintaining runner comfort throughout the race.

What sleeve lengths help prevent chafing during 10K races?

Sleeveless, cap sleeve, and short sleeve t-shirts with moisture-wicking polyester fabric minimize chafing during 10K races. These designs reduce friction, prevent skin irritation, and keep runners comfortable with breathable, stretchy materials that move with your body.

Can custom t-shirt designs include moisture-wicking performance fabric?

Absolutely! Our custom t-shirts come in moisture-wicking polyester and 50/50 blends designed for 10K runners. These performance fabrics efficiently manage sweat, keeping you cool and dry during your race and training.

Is personalized race day artwork included in the t-shirt design?

Yes, personalized race day artwork is fully supported in our custom t-shirt design process. Design unique graphics for each runner or create a team template, with artwork printed directly onto performance moisture-wicking t-shirts before shipping.

What is the quality commitment and return policy?

For any product from the Fourthwall product catalog, quality is guaranteed. If there is a print error or visible quality issue with your order, we’ll replace or refund it!

How much do custom t-shirts cost on Fourthwall?

Custom t-shirts on Fourthwall start at $9.25 with zero monthly fees or upfront costs. The final price depends on fulfillment technique (DTG, embroidery, screen-printing), design placement, and branding options. You set your own selling price and keep 100% of the markup profit.

Available styles include Short Sleeve Tees, Long Sleeve Tees, Streetwear Tees, Form-Fitting Tees, and more.

How do I get started on Fourthwall?

There are no monthly costs or upfront fees on Fourthwall! Sign up now.

Order for your community with ease

Use giveaway links to let your community choose the right sizes and colors for them.

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