top of page

What Are The Effects Of Running In Extremely Cold Weather?

Running in extremely cold weather presents unique challenges that can significantly impact a runner's performance. The physiological and environmental factors associated with low temperatures necessitate careful consideration and adaptation to maintain optimal running capabilities. 


Two runners running through snow

One of the primary concerns when running in extreme cold is the increased energy expenditure required to combat the cold. The body expends more energy to generate and maintain heat, contributing to fatigue. This heightened energy demand can affect the runner's ability to sustain a desired pace and may lead to premature depletion of energy stores, causing the runner to slow. 


Furthermore, muscle and joint function can be adversely affected by cold temperatures. The cold can cause muscles to become stiff and joints to lose flexibility, impacting the efficiency of the running stride. Maintaining a fluid and natural running motion becomes more challenging, potentially leading to altered biomechanics and reduced running economy.


What happens to your body when you run in the cold


In extreme cold, the denser air challenges oxygen delivery to the muscles. While the reduction in oxygen supply is relatively modest, it can still impact aerobic capacity and endurance. Runners may find themselves experiencing a higher heart rate than usual for a given intensity, which can affect the perceived effort during runs. Adjustments to pacing and expectations may be necessary to account for the increased physiological demands.


Vasoconstriction is another physiological response to cold weather. Blood vessels constrict to conserve heat, reducing blood flow to muscles. This constriction can impair the delivery of oxygen and nutrients to working muscles, potentially compromising performance. It emphasizes the importance of a thorough warm-up to promote blood flow and prepare the cardiovascular system for the demands of running.


Cold-induced muscle fatigue is a phenomenon that runners may encounter in extremely low temperatures. Exposure to cold conditions can impair the efficiency of muscle contraction and relaxation, leading to a quicker onset of muscle fatigue. This can further contribute to the overall sense of fatigue and impact the runner's ability to maintain performance over the course of a run.


What happens to you mentally when you run in the cold


The mental aspect of running in extreme cold should not be overlooked. The discomfort and challenges posed by the cold weather can impact mental focus and motivation. Maintaining a positive mindset becomes crucial to overcoming the mental hurdles associated with running in adverse conditions. Visualization, positive self-talk, and setting realistic expectations can help mitigate mental challenges.


Runners may also be at risk of overexertion in an attempt to generate more heat. The desire to stay warm can lead to pushing the pace beyond what is sustainable, potentially resulting in premature fatigue. Monitoring intensity, especially in the early stages of a run, is essential to prevent overexertion and ensure a more consistent energy expenditure throughout the workout.


How to Run In the Extreme Cold


To mitigate the effects of decreased performance in extreme cold, runners can take several proactive measures. A gradual warm-up indoors before heading out into the cold helps increase body temperature and prepare the muscles for the demands of running. Layering clothing appropriately is crucial to retain heat and manage moisture. Adjusting layers during the run can prevent overheating as the body warms up.


Protective gear, including hats and gloves, is essential for minimizing heat loss from extremities. Staying hydrated is equally important in cold weather, even though the sensation of thirst may be reduced. Runners should make a conscious effort to drink water before, during, and after their run to maintain optimal hydration levels.


Monitoring intensity based on perceived effort becomes a valuable tool in extreme cold weather. Understanding that the body is working harder to combat the cold, runners can adjust their workout plans. This may involve accepting a slightly slower pace than usual or incorporating more frequent breaks to manage fatigue.


Adaptability is key when running in extreme cold. Runners should be prepared to make adjustments to their training plans based on weather conditions. In some cases, it may be advisable to opt for indoor alternatives, such as treadmill running, to avoid the challenges associated with extreme cold.


In conclusion, running in extremely cold weather poses specific challenges that can impact a runner's performance on multiple fronts. Understanding the physiological responses to cold, both in terms of energy expenditure and muscle function, is crucial for adapting training strategies. By taking proactive measures, such as a thorough warm-up, appropriate clothing, and mindful hydration, runners can mitigate the negative effects and continue to pursue their training goals even in the harshest winter conditions.

23 views0 comments
bottom of page