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How to Dress for a Half Marathon.
Running
Running a half marathon is a challenging yet incredibly rewarding experience. Twenty-one kilometers of running, atmosphere, and community — often the result of months of training.
Whether you're preparing for the Gothenburg Half Marathon or another race, the miles you’ve put in are what matter most. But the right clothing on race day can make a big difference in how the run actually feels.
In this guide, we’ll walk through what’s worth considering before the start — from shoes and socks to bottoms, tops, accessories, and layering options for tougher weather conditions. Whether you’re running for a personal best, the experience, or a bit of both.
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Don’t overdress
A common mistake on race day is dressing too warmly. While standing in the starting corral, it should almost feel a little chilly. Once the race begins, your body temperature rises quickly, and what felt comfortable before the start can become too warm after just a few kilometers.
Overheating drains energy, slows your pace, and can make the experience feel much tougher than it needs to be.
Choose the right shoes
If you already have a pair you enjoy running in, that’s usually the safest choice. If you need new shoes close to race day, choose a model that feels comfortable from the first run and matches your pace and running style.
Fit is key. Your shoes should feel secure without causing pressure, with a little extra room in the toe box since feet often swell during longer races.
Many runners choose a lighter, more responsive shoe for a half marathon compared to everyday training, while still prioritizing comfort. For those chasing speed, race-day shoes with carbon plates and enhanced energy return are designed for faster efforts over longer distances.
Want to dive deeper? Explore our complete running shoe guide here.
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Socks may seem like a small detail, but they can make a big difference over longer distances. Their main job is to reduce friction and help keep your feet dry throughout the run.
Material matters. Avoid cotton, which absorbs moisture and can increase the risk of chafing. Synthetic fabrics and wool blends are better at wicking away sweat and keeping your feet comfortable.
Fit is just as important. Your socks should feel snug without slipping or bunching up inside the shoe. For longer races, many runners prefer a thinner sock, while compression socks are also popular among runners looking for a more supportive feel.
Bottoms
Shorts are the most common choice for race day, even in cooler conditions. Temperature can often be managed with layers and accessories that are easy to remove or add along the way.
There are several types of running shorts to choose from. Some models focus more on comfort and storage, while lighter race-day styles are more minimal and built for speed. Classic split shorts, with side slits and extra freedom of movement, are still a popular choice for racing. Shorts with built-in liners or so-called 2-in-1 shorts, featuring a tighter inner layer, can also help reduce the risk of chafing.
Try to get a few runs in with your race-day outfit beforehand, so you know nothing starts to rub or distract you as the kilometers add up.
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Tops
Singlets are the classic race-day choice for many runners. They provide maximum ventilation and often feature fewer seams, helping reduce irritation and chafing. At the same time, many runners prefer a lightweight running tee in technical fabrics for a more versatile feel. What works best often comes down to temperature, pace, and personal preference.
If the weather feels slightly too cold for just a singlet or t-shirt, layering can work well — for example, with a thin tee underneath. In cooler conditions, a lightweight long-sleeve top can also be a good option.
Seams, sweat-soaked fabrics, and hours of movement can cause more irritation than you might expect, especially under the arms or around the nipples. Applying anti-chafing balm or using tape on exposed areas can make a big difference over longer distances.
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The right accessories make it easier to focus on your run and settle into a steady rhythm.
A running cap can help protect against sun, rain, and sweat in your eyes. If you prefer something lighter, a visor is a great alternative. A classic headband can also help keep hair and sweat away from your face.
Storage becomes more important over longer distances. Some runners prefer shorts with pockets, while others opt for a running belt or hydration vest for gels, nutrition, and fluids. It can also help you avoid stopping at aid stations during the race.
For colder conditions
Sometimes race day means cold temperatures, rain, and strong winds — and the key is adapting without overdressing.
It’s rarely about wearing as much as possible, but rather choosing layers that are easy to regulate. Lightweight gloves are a classic go-to when temperatures drop, since they’re easy to take off once your body warms up. In tougher conditions, arm warmers, vests, or a lightweight wind jacket can make a big difference. Some runners also prefer long tights in colder weather. As always, it depends on your pace and what you’re used to running in.
In cold or wet conditions, it can also be helpful to bring an extra layer to wear before the start — something you can easily take off just before the race begins.
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