A popular routine among runners – from local 5Ks to the Chicago Marathon – is “shakeout runs,” which are short, low-intensity bouts of exercise typically lasting 10 to 20 minutes. Far from being a “junk mile,” the shakeout is a strategic tool used by elites and amateurs alike to bridge the gap between a period of tapering (rest) and the intensity of race day.
According to exercise physiologists, these runs serve to increase blood flow to the muscles and “wake up” the central nervous system without inducing fatigue. Some runners claim this practice “primes” or “warms up” the body before a race. This practice is vital because it addresses both the physical stiffness that comes from travel or tapering and the psychological jitters that can derail a race plan. In this post, we will break down the physiological benefits, the mental perks, and exactly how to execute a shakeout without overdoing it.
Why Shake It Out? The Science of Blood Flow
The primary goal of a shakeout run is to stimulate the circulatory system. When you taper for a race, your body often feels heavy or “flat” due to increased rest and glycogen loading. A short bout of aerobic activity increases your core body temperature and widens blood vessels. The central nervous system gets a burst of energy.
Research published in Sports Medicine suggests that a dynamic warm-up or light aerobic activity can improve muscle compliance and nerve conduction velocity. By lightly stressing the muscles, you clear metabolic waste and ensure that oxygen moves efficiently through your system. It is essentially a “system check” to ensure everything is firing correctly before the real effort begins.
The Mental Reset: Taming the Taper Tantrums
Running is as much a mental game as a physical one. The day before a race is often filled with “taper tantrums,” that phantom knee pain, or the sudden fear that you have lost all your fitness. Here is how a shakeout run can help:
- Routine and Control: A shakeout run provides a familiar routine in an unfamiliar race environment. Especially if you are traveling for your race, a shakeout run can be a good way to feel out the “lay of the land.”
- Anxiety Reduction: Physical activity is a proven way to lower cortisol levels. A 15-minute jog can burn off excess adrenaline, allowing for better sleep the night before the event.
- The “Feel” Factor: A shakeout lets you test your gear, check the weather conditions, and get a feel for the local humidity or altitude without the pressure of a workout.
- Boosted Confidence: At the very least, a shakeout run can help boost confidence for the competition on the following day.
How to Do It Right: The 3-Step Protocol
To ensure your shake-out helps rather than hurts, follow these original guidelines:
- Keep it Short: Limit the duration to 15-20 minutes maximum. You are not looking to build fitness; you are looking to maintain it.
- Keep it Slow: Your pace should be significantly slower than your goal race pace. If you cannot hold a full conversation, you are going too fast. No need to go for a personal record (PR).
- Add “Strides” (Optional): Toward the end of the run, perform 2 to 3 “strides”: 100-meter accelerations where you reach about 90% of your max speed for a few seconds. This snaps the fast-twitch (Type II) fibers to attention without building up lactic acid.
Ready to Run Pain-Free?
Understanding the “why” behind your training is the first step toward a personal record (PR), but physical readiness starts with a body that moves well. If you are experiencing persistent aches or are unsure if your body is ready for the demands of your next race, do not leave it to chance. Our team is here to help you cross the finish line feeling your best.
Take the first step toward peak performance by scheduling a Free Assessment with our clinical experts today – particularly with a member of our Endurance Program. We will evaluate your movement patterns and provide a personalized plan to keep you on the road.
*Per federal guidelines, beneficiaries of plans such as Medicare, Medicaid, Tricare, VHA and other federally funded plans are not eligible for free assessments.
The Athletico blog is an educational resource written by Athletico employees. Athletico bloggers are licensed professionals who abide by the code of ethics outlined by their respective professional associations. The content published in blog posts represents the opinion of the individual author based on their expertise and experience. The content provided in this blog is for informational purposes only, does not constitute medical advice and should not be relied on for making personal health decisions.
References:
1. Journal of Applied Physiology: Effects of warming up on physical performance.
2. Sports Medicine: The Role of Short-Duration Exercise in Pre-Race Preparation.
3. National Strength and Conditioning Association (NSCA): Physiological responses to low-intensity aerobic activity.
Clinton Boone is a physical therapist who enjoys treating various orthopedic conditions and vestibular disorders. Clint enjoys spending time with family, lifting weights, and running in his spare time – having just completed the Chicago Marathon in 2022. Clint works and lives in Manhattan, IL, and loves treating members of his local community. He can be reached at clinton.boone@athletico.com if you have any questions or comments.
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