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What to Wear For a 10k

Amanda Wendorff

One of the most common concerns for beginner runners is what to wear for a 10k race. This topic is important, as good clothing choices can make or break your race. In this article, we’ll discuss the basics of dressing for a 10k so you will be comfortable in your running gear and ready to run fast.

In this article, we’ll discuss: 

  • The rules of thumb to apply when dressing for a 10k
  • Sock and shoe choices for a 10k race
  • What to wear on your legs and upper body during a 10k
  • Accessories for a 10k
  • How to dress if your 10k is in the rain
MOTTIV app user David McIlmoyl nears the finish line on an overcast but warm race day.

The Golden Rules of Dressing for a 10k

When selecting your running clothes for a 10k race, remember two main things: nothing new on race day, and dress as if it’s warmer than it is. We’ll discuss these in greater detail below.

Nothing New on Race Day

Whether you are racing a 5k, 10k, marathon, or triathlon, one rule applies to every clothing and gear selection: nothing new on race day. You should test your equipment and clothing in training at least once and ideally a couple of times. 

Testing gear in training is important because many pieces of clothing or equipment can cause issues during your race that you may not anticipate, like blister formation, chafing, or even the clothing item not fitting well.

These issues will likely lead to some annoyance during training that can be fixed quickly if you stop for a moment. But if they occur during your 10k race, they may become so distracting or uncomfortable that they affect your race. So, do some testing, ideally at your 10k race intensity and in the same weather conditions where your race is likely to occur.

Dress As If it is About 20 Degrees Warmer

One of the toughest decisions for 10k racers is what to wear, given the outdoor temperature. 

A good rule of thumb for this is to choose the amount of clothing you would wear when out and about if it were about 20 degrees warmer than it actually is (20 degrees Fahrenheit or 10 degrees Celsius.)

For example, if it's forecast to be 50 degrees Fahrenheit (or about 10 degrees Celsius) at race time, dress as if it were 70 degrees Fahrenheit or 20 degrees Celsius. That may mean something like a short-sleeved shirt with capri-length running tights or shorts and a light long-sleeve shirt. 

If this sounds like too few layers, remember that during a 10k race, you’ll run fast, and your core temperature will quickly heat up. In other words, you'll warm up as you run. If you’re a bit chilly while standing at the start line, that indicates that you’re dressed appropriately for the race.

What Socks Should You Wear in a 10k?

Your socks and shoes are the most important clothing and equipment for a 10k race. If you can keep your feet happy, you’ll be much more likely to reach your potential in a 10k race. 

When it comes to investments in apparel, running-specific socks are among the best. The right socks can be the difference between a good race and an uncomfortable battle to the finish line. 

Generally, any sock length is appropriate to run a 10k, so long as the socks are designed for runners. Running-specific socks are made to support the foot and fit in a way that prevents bunching (which may cause blisters) or chafing. Almost all running-specific socks are moisture-wicking. 

It’s a good idea to try a few pairs of running socks to determine which works best for you. Of course, test your socks in a few training runs before using them in the 10k race.

What are the Best Types of Shoes to Wear in a 10k Race?

A 10k race is a fast and hard effort, so many athletes opt to wear race-specific shoes. There are two main types of racing shoes that are popular for 10k races: super shoes and racing flats.

Super Shoes

Super shoes are a relatively new phenomenon in the running world. They are very popular race shoes for runners of all speeds in race distances from the 5k to the marathon. 

These shoes typically contain a carbon fiber plate that runs the entire shoe length and are constructed of extremely light and high-tech foam cushioning. The combination of the carbon fiber plate and the lightweight foam improves running economy and the energy return of each run stride. This results in significantly faster times for most runners. 

A few examples of popular super shoes are:

The downsides of super shoes are their cost and lack of durability. You should save these shoes for races and a couple of short workouts in advance for testing. 

Racing Flats

The running flat is a more traditional type of racing shoe for the 10k. 

Racing flats are lightweight, flexible shoes with less cushioning than traditional running shoes. Some racers prefer to compete in racing flats because they are light, responsive, and allow the runner to really feel the ground. 

A few examples of popular racing flats are:

Because racing flats don’t provide much support or cushioning, limiting your miles in these shoes is important. If you tend to have frequent injuries, particularly bone injuries, racing flats may not be your best choice.

Training Shoes

It is also fine to race a 10k in your normal running shoes rather than using specific race shoes. Remember, comfort is key. If your training shoes are broken in and feel good, you should feel confident using them.

Shoes for Track 10k Races

Some 10k races occur on rubberized tracks, especially at the university and professional levels. Many athletes will wear specific track spikes for these races, such as the Nike ZoomX Dragonfly shoe. Others will wear a super shoe like the Nike Vaporfly

If you’re running a 10k race on a track, you can choose spikes or any of the same shoes you would wear for a 10k on the road.

What to Wear on Your Legs

When it comes to what to wear on your legs during a 10k race, the only rule is: wear what’s comfortable.  Some runners prefer baggy running shorts, while others like spandex shorts, running tights or pants, or capri pants. A running skirt is just fine, too! 

As with all racing apparel, test it out during a training run or two to ensure you won’t experience uncomfortable chafing. 

What to Wear on Your Torso

There are lots of options for what to wear on your upper body, and the choices will depend on your comfort and the weather. Generally, we suggest dressing in layers.

As a base layer, choose one or more of the following: 

  • Running t-shirt
  • Tank top
  • Sports bra (for more on women-specific apparel, check out our “What To Wear for Women” article)

It’s best to wear tighter clothing for your race, as loose or baggy tops can create a lot of drag in the wind and slow you down. 

If the weather is cooler, you can add additional layers such as: 

  • Long-sleeve shirt
  • Running jacket
  • Running vest
  • Arm warmers

Again, with these items, aim for a tighter fit; remember, you’ll heat up quickly in a 10k.  If you feel chilly while standing on the start line, you’ve dressed well for the temperature.

It’s best to select technical fabrics designed for running for all of these items. Technical running shirts are typically made of polyester or nylon blends and are lightweight, can wick sweat away from your skin, and dry quickly. These technical fabrics help with temperature regulation, are less likely to cause chafing, and are generally much better choices than cotton.

Accessories for Your 10k 

In addition to the basic apparel and footwear selections, a few running accessories are popular amongst runners. In particular: 

  • Race belt: In most 10k races, runners must wear a race number, also called a race bib. You can pin your race bib on your clothing or use a race belt. A race belt is a small elastic band that goes around your waist and displays your race number. Some runners find running belts more comfortable than a race bib pinned on clothing.
  • Sunglasses: Particularly if your race is taking place on a sunny day, you may wish to wear sunglasses. If you choose to do so, it’s best to select a pair of sunglasses designed for running. Running-specific sunglasses will generally fit better on your head without bouncing and are less likely to fog.
  • Running hat or visor: Your comfort in a 10k race will improve if you can avoid sweat running onto your face or your eyes. A running hat or visor is effective in keeping the sweat out of your eyes and is also good for keeping the sun off your face. Running-specific hats and visors are lightweight and particularly effective at absorbing sweat. And if it happens to rain, it will keep the rain out of your eyes.
  • Headband: Like a hat or visor, a moisture-wicking headband can be very useful in preventing sweat from running into your eyes.
  • Hydration systems: Many runners use fuel belts or hydration vests in training and racing to hydrate effectively. Whether it makes sense to use these hydration systems in a 10k depends on a few things, including your anticipated finish time and the weather. If you’re likely to finish the 10k in an hour or less, a small hand-held bottle of fluids should be enough for your hydration during the race. If your 10k is likely to take significantly more than an hour, or if it’s hot, running vests and fuel belts are good options. 

How to Dress in the Rain

Your clothing choices for a 10k don’t need to change much if your race occurs in the rain. Even in the rain, your body will heat up quickly, and extra layers, particularly if waterproof, may cause you to overheat. 

If you want to stay warmer before the race, consider wearing a raincoat or more layers before the race, but take them off before the race starts. 


When it comes to clothing and apparel choices for a 10k race, dress for comfort and always remember: nothing new on race day.  

In this article, we’ve touched on: 

  • Rules of thumb for your clothing selection for the 10k
  • The best socks and shoes to wear in a 10k
  • What to wear on your torso and legs
  • Other accessories to consider for your 10k
  • How to dress in the rain

Having the right clothes and shoes for a 10k can make or break your day. So, plan ahead and get your outfit tested and dialed in well before your race.

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Amanda Wendorff

| Author

Amanda Wendorff is a professional triathlete, focusing on the 70.3 and 140.6 Ironman distances. In the last several years she’s competed in multiple gravel bike races. Top Achievements: Top 3 Ironman Ireland and Ironman 70.3 Coquimbo, Multiple time top-5 finisher, 3rd Overall at Moran 166 Gravel Race in Michigan, Age group podium at Gravel Worlds, Big Sugar, and Ned Gravel in first year of gravel racing.

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