Charity Fun Run T-Shirts: How to Order Custom Tees for Your Event

Planning a charity run, walk or 5K this summer? Here is a practical UK guide to ordering custom fun run t-shirts: choosing the right fabric, sizing a whole crowd, fitting in sponsor logos and making sure everything arrives before the starting gun.

Few things bring a charity event to life like a sea of matching t-shirts crossing the finish line. Beyond looking good in the photos, fun run tees do real work: they identify your participants, thank your sponsors, and become a wearable reminder of the day that keeps your cause visible for months afterwards. If you are organising a charity run, walk or 5K this summer, here is everything you need to know to order custom t-shirts that look great, fit everyone and arrive on time.

Why custom t-shirts matter for a charity run

A branded tee is one of the cheapest, highest-impact pieces of kit you can produce for an event. It turns a scattered group of runners into a single recognisable team, which is reassuring for participants and great for crowd photos and social media. It also gives your sponsors genuine value — their logo is seen by spectators on the day and worn around town long after, which makes it far easier to secure their support next year. And because a good t-shirt outlives the event, it keeps your charity's name in front of people every time it comes out of the wardrobe.

Step 1: Choose the right fabric for runners

Comfort matters more for a run than for most events, because people will be moving and sweating in these shirts. You have two main options.

Cotton tees

Soft ringspun cotton is comfortable, prints beautifully and is the most cost-effective choice. It is ideal for walks, family fun days and shorter runs where a relaxed feel matters more than performance. The trade-off is that cotton holds moisture, so it can feel heavy on a hot, fast 10K.

Performance fabrics

Lightweight polyester or technical "moisture-wicking" fabrics pull sweat away from the body and dry quickly, which keeps runners more comfortable over distance. They cost a little more but are worth it for competitive races and hot weather. If your budget is mixed, a common approach is performance tees for runners and cotton tees for volunteers and supporters.

Whichever you choose, ask for a range of cuts and sizes so the kit suits all body shapes — a shirt nobody wants to wear is money wasted.

Step 2: Get your design and sponsor logos right

The strongest fun run designs are simple and bold. Keep the front for your charity name, event title and year, and use the back for sponsor logos where there is more room. A few practical tips:

  • Prioritise legibility. Big, clear lettering reads well from a distance and photographs better than fussy detail.
  • Plan sponsor tiers. Give headline sponsors a larger, more prominent logo and group smaller supporters together — agree this before you collect artwork to avoid awkward conversations later.
  • Collect print-ready files early. Ask sponsors for high-resolution vector logos (EPS, PDF or AI). Our guide on how to prepare your logo for printing and embroidery explains exactly what to send.
  • Mind your colours. A light shirt keeps printing costs down and makes colourful logos pop, but pick a colour that suits your branding and stands out in a crowd.

If you are unsure how full-colour or photographic artwork will reproduce, it is worth understanding the difference between print methods. Our comparison of embroidery versus screen printing is a helpful starting point, and for multi-colour sponsor logos, DTF transfer printing usually gives the best results.

Step 3: Size a whole crowd without the headache

Sizing is where event organisers most often come unstuck. A few reliable habits make it manageable:

  • Ask for sizes at sign-up. Add a size dropdown to your registration form so you collect data as people enter, rather than guessing.
  • Use a size guide. Share a clear chart so participants pick accurately — our size guide takes the guesswork out of it.
  • Order a sensible size spread. If you cannot collect every size in advance, a typical UK adult distribution leans towards M and L. Order extra of the middle sizes and a smaller buffer of XS and XXL.
  • Add a 5–10% buffer. Late entrants, last-minute volunteers and the occasional printing mishap all happen. A small overage saves a panic the night before.
  • Don't forget children's sizes if your event is family-friendly — kids' fun runs are hugely popular and need their own size range.

Step 4: Plan your timeline backwards from event day

The single biggest cause of stress is leaving the order too late. Work backwards from your event date:

  1. Finalise artwork and sponsor logos at least three to four weeks out.
  2. Place your order once sizes are confirmed, allowing roughly 7–10 working days for standard production plus delivery.
  3. Build in a buffer week for proofing, approvals and any reprints.
  4. Arrange distribution — decide whether shirts are posted to participants in advance or handed out at registration on the day. Bagging by size beforehand makes race-morning much smoother.

If your date is tight, talk to us early — express turnaround is often possible, but the sooner we know, the more options you have.

Step 5: Make the shirts work harder for your cause

A little planning turns a one-day t-shirt into a long-term fundraising asset. Consider selling spare shirts as merchandise to raise extra funds, offering an upgraded "supporter" tee for non-runners, or printing a hashtag and your donation page so every photo spreads the word. You can even extend the range into matching custom clothing such as hoodies for organisers and volunteers, or tote bags for goody bags.

Frequently asked questions

How far in advance should I order charity run t-shirts?

Aim to place your order three to four weeks before the event once sizes are confirmed. Standard production is usually around 7–10 working days, but ordering early gives you room for proofing and any reprints. Express options are available for tighter deadlines.

What is the best t-shirt material for a running event?

Moisture-wicking performance fabric is best for competitive or long-distance runs because it dries quickly. Soft cotton is more comfortable and cost-effective for walks, family fun days and volunteers.

Can I include multiple sponsor logos on one shirt?

Yes. The back of the shirt usually has room for several sponsor logos, with headline sponsors given more prominence. Send high-resolution vector files so everything prints crisply.

Is there a minimum order for fun run t-shirts?

At CentralCustom there is no minimum order, so you can produce exactly what you need — and larger quantities unlock bulk discounts, which suits most charity events.

Ready to order your fun run t-shirts?

Whether you are expecting 30 walkers or 3,000 runners, we will help you choose the right fabric, set up your sponsor artwork and hit your deadline. Request a quote or browse our custom clothing range to get your charity event started.

Shop Custom T-Shirts

Browse our full range of event t-shirts — available with custom printing from just 1 item, with fast UK turnaround.

Browse T-Shirts & Polos Get a Free Quote

Custom Printing

We handle all printing in-house — screen print, DTG or transfer. Upload your sponsor logos and event artwork and we'll do the rest.

View Printing Service Get a Free Quote