The Basics of Winter Training | Craft Sportswear US

The Basics of Winter Training

by George Fields on February 16, 2024

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As the frosty air of winter blankets the landscape, many endurance athletes, from runners to cross-country skiers and cyclists, continue to lace up their shoes or strap on their skis, embracing the chill for their training. Some but not all of these athletes understand that winter training comes with unique challenges, particularly in nutrition. Proper nutrition is pivotal for performance, recovery, and overall health, especially when training in colder climates. This blog post delves into the essentials of nutrition for endurance athletes, focusing on how to fuel your winter training effectively.

The Unique Demands of Winter Training

Training in the cold places unique demands on the body. The energy expenditure for running, cycling, or skiing in cold weather is higher than in milder conditions. That is obvious but what those differences are can be hard to understand. Your body works overtime not only to power your muscles but also to maintain core temperature. This increased metabolic rate means your nutritional needs are also heightened. And your body output will be regulated first by what you are wearing. More on this here.

Key Nutrition Strategies for Endurance Athletes in Winter

Increased Caloric Intake: 
To meet the increased energy demands, endurance athletes should consume more calories in the winter. Focus on nutrient-dense foods like whole grains, lean proteins, healthy fats, and a variety of fruits and vegetables.

Carbohydrates are Crucial:
Carbs are the primary fuel for endurance sports. A diet rich in complex carbohydrates like whole grains, legumes, and starchy vegetables ensures a steady energy supply.

Stay Hydrated:
Cold weather can blunt thirst signals, leading to dehydration. Drink water regularly and consider warm fluids like herbal teas to stay hydrated and warm.

Monitor Iron Levels:
Endurance athletes, especially women, are at risk of iron deficiency, which can be exacerbated in winter. Include iron-rich foods like lean meats, beans, and fortified cereals in your diet.

Vitamin D is Vital:
With shorter daylight hours in winter, getting enough Vitamin D can be challenging. Foods like fatty fish, egg yolks, and fortified foods, along with supplements if necessary, can help maintain adequate Vitamin D levels.

Recovery Foods:
Post-training nutrition is crucial for recovery. Consuming a mix of carbohydrates and proteins within 30 minutes of finishing a workout aids in muscle repair and glycogen replenishment.

Tailoring Nutrition for Specific Endurance Sports

Running in the cold requires significant energy. A balanced diet with a slightly higher carbohydrate percentage can provide the necessary fuel. Pre-run, opt for a light, carb-rich snack like a banana or a slice of sourdough toast.

Cross-Country Skiers:
This sport is incredibly energy-intensive. Skiers should focus on a carbohydrate-rich diet, complemented with sufficient proteins and fats. Meals might include hearty soups with legumes, whole grain bread, and lean protein sources.

Winter cycling, especially gravel or mountain biking, demands high energy. Cyclists should focus on complex carbohydrates and lean proteins, and consider energy gels or bars during long rides.

Supplements: Are They Necessary?
This is tricky as there are many different types depending on your body type and your desired result. We recommend consulting professional advice when researching supplements. While whole foods should be the foundation of an athlete's diet, certain supplements can be beneficial. Omega-3 fatty acids, found in fish oil supplements, can aid in reducing inflammation. Protein supplements can be convenient post-workout options and there are many pre-workout supplements as well. And for those sweaty folks or anyone putting in the effort, there are electrolyte tablets that can help maintain electrolyte balance during longer training sessions.

Practical Tips for Winter Nutrition

Plan Your Meals:
Prepare and pack nutritious meals and snacks ahead of time. This ensures you have the right foods available after a cold training session.

Warm Foods for Recovery:
Post-exercise, opt for warm meals like stews or pasta with vegetables and lean protein, which can be more appealing in cold weather.

Convenience is Key:
For endurance athletes on the go, portable snacks like nuts, energy bars, or fruit can provide quick, nutritious energy.

Listen to Your Body:
Pay attention to hunger cues. Increased hunger is common in winter and is a sign your body needs more fuel.

Stay Flexible:
Weather conditions can be unpredictable. Be ready to adapt your nutrition plan based on the duration and intensity of your training.

Dress in Layers:
You most likely will start out cold but you will warm up quickly. The need to shed layers and still have your body perform optimally. The key is starting with the layer next to your skin. Learn more here about what baselayer is best for you and your output.


Nutrition for athletes training outdoors in winter is about more than just fuelling performance; it's about supporting overall health and well-being. By focusing on a balanced diet rich in carbohydrates and proteins, staying hydrated, and adapting to the increased nutritional demands of cold weather, winter athletes can maintain peak performance throughout the coldest of months. Remember, the right nutrition strategy, coupled with the proper apparel and gear, can make your winter training both effective and enjoyable.