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Threshold Performance Club | The fitness newsletter
Threshold #78 | How Caffeine Will Enhance Your Training ☕ 🚀
Coffee is the world’s most consumed drink behind water.
Which makes caffeine one of the most widely consumed substances on the planet.
In the context of training & racing coffee & caffeine are definitely used as the most popular pre-workout substances.
Caffeine has wondrous effects on the body, from reducing tiredness to increasing alertness.
But how will coffee impact supercharge your training?
TL:DR
Enhanced Performance: Caffeine can improve endurance, increase alertness, and reduce perceived effort during exercise, leading to enhanced athletic performance.
Increased Fat Oxidation: Caffeine stimulates fat metabolism, sparing muscle glycogen and delaying fatigue during prolonged exercise.
Individual Variability: Responses to caffeine can vary widely among athletes, with factors such as dosage, timing, and individual sensitivity influencing its effectiveness and potential side effects.
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The Main Feature
Leg one: Caffeine’s Scientific Impact on Athletes
Coffee = caffeine. Caffeine, a central nervous system stimulant, operates primarily by blocking adenosine receptors. This blockade leads to increased neuronal firing in the brain, releasing adrenaline and enhancing mental alertness and energy. For runners, this neurological effect can translate into improved reaction times, heightened vigilance, and a reduction in perceived exertion, particularly valuable in endurance and high-intensity speed workouts. In the gym, these neurological enhancements can lead to sharper focus and better coordination during complex lifts and high-intensity training.
Furthermore, caffeine's role in fatty acid mobilization is a key aspect for endurance athletes. This process involves the breakdown of fat stores, releasing fatty acids into the bloodstream, making them available for oxidation. For runners, this means a more efficient energy usage, preserving glycogen stores and enhancing endurance during long-distance events. In strength training, this enhanced fat oxidation can support longer, more intense sessions and aid in body composition goals by potentially increasing fat loss.
Caffeine also influences the endocrine system. It increases the production of endorphins, which can reduce pain perception and increase feelings of euphoria, thus potentially improving performance and endurance. Additionally, caffeine has been shown to enhance calcium release within muscles, which is crucial for muscle contraction. This can lead to more powerful muscle contractions in both runners and weightlifters, translating to increased speed and strength.
Personally I love a coffee 60 mins before any training. Usually an espresso so there’s not too much added water entering my body.
T-1: Mental Preparation
A pre-training or race ritual can be powerful to set your mind up for success. For some that may be coffee 2 hours before hand. Regardless of it’s physical effect on you, it may be the “thing” which triggers your focus.
Leg 2: What are the positive and negative effects?
Physiological Benefits of Caffeine: Caffeine, a natural stimulant found in coffee, tea, and certain supplements, offers several physiological benefits that can enhance athletic performance. Firstly, caffeine acts as a central nervous system stimulant by blocking the action of adenosine, a neurotransmitter responsible for promoting sleep and relaxation. Consequently, caffeine intake results in increased alertness, focus, and cognitive function, which are essential for athletes striving to maintain optimal performance levels during training and competition.
Moreover, caffeine has been extensively studied for its ergogenic effects on endurance performance. Research indicates that caffeine consumption can enhance endurance by several mechanisms. One such mechanism involves the increased release of adrenaline, which stimulates the mobilization of fatty acids and spares muscle glycogen, thus delaying fatigue and prolonging endurance capacity. Additionally, caffeine has been shown to augment fat oxidation during exercise, potentially conserving glycogen stores and improving overall endurance performance.
Furthermore, caffeine has been reported to alter the perception of effort during exercise. Athletes consuming caffeine often report a reduced perception of effort, meaning that physical exertion may feel less strenuous, allowing individuals to sustain higher intensity levels for longer durations. This psychological benefit can be particularly advantageous during prolonged or high-intensity training sessions and competitive events.
Drawbacks of Caffeine: Despite its potential performance-enhancing effects, caffeine consumption is not without drawbacks, and it's essential for athletes and coaches to be aware of these considerations. Firstly, caffeine is a diuretic, meaning it promotes fluid loss through increased urine production, which can potentially lead to dehydration if not adequately compensated for by fluid intake. Dehydration can impair performance, compromise thermoregulation, and increase the risk of heat-related illnesses, highlighting the importance of maintaining hydration status when consuming caffeinated beverages or supplements.
Additionally, individual sensitivity to caffeine varies widely among athletes, with some individuals experiencing adverse side effects such as jitteriness, increased heart rate, gastrointestinal discomfort, or insomnia. These side effects can detrimentally impact performance and overall well-being, underscoring the importance of individualized caffeine intake strategies tailored to each athlete's tolerance level and response.
Furthermore, consuming caffeine too close to bedtime can disrupt sleep patterns, impairing recovery and negatively affecting subsequent performance. Sleep is crucial for physical and cognitive recovery, muscle repair, and hormone regulation, emphasizing the need for careful timing of caffeine consumption to minimize sleep disturbances and optimize recovery processes.
Effect of Caffeine on Training and Racing when Consuming Gels: In the context of training and racing, athletes often utilize caffeinated gels as a convenient and practical means of supplementing their caffeine intake. Caffeinated gels typically contain a combination of caffeine and carbohydrates, offering potential benefits for fueling and performance enhancement. When consuming caffeinated gels during exercise, several factors should be considered to maximize their effectiveness while mitigating potential drawbacks.
Firstly, timing is critical when consuming caffeinated gels to optimize their ergogenic effects. Athletes are advised to ingest caffeinated gels approximately 30-60 minutes before exercise to allow sufficient time for caffeine absorption and peak plasma concentrations to occur during the activity. This timing strategy ensures that the ergogenic effects of caffeine coincide with the onset of exercise, maximizing performance benefits.
Moreover, the dosage of caffeine in gels should be carefully calibrated to individual tolerance levels and performance goals. Research suggests that caffeine doses ranging from 3-6 mg/kg body weight are typically effective for enhancing endurance performance, with higher doses potentially increasing the risk of adverse side effects without additional performance benefits. Athletes should experiment with different dosages during training sessions to determine their optimal caffeine intake for maximal performance enhancement.
Furthermore, hydration strategies should be integrated with the consumption of caffeinated gels to counteract the diuretic effects of caffeine and minimize the risk of dehydration. Athletes should prioritize fluid intake before, during, and after exercise to maintain hydration status and optimize performance and recovery.
Additionally, the combination of caffeine and carbohydrates in gels can provide dual benefits for endurance athletes by simultaneously enhancing energy availability and cognitive function. Carbohydrates serve as the primary fuel source for muscles during prolonged exercise, while caffeine augments fat oxidation and spares glycogen stores, thereby prolonging endurance capacity and delaying fatigue. This synergistic effect of caffeine and carbohydrates can be particularly advantageous during endurance events lasting more than 60-90 minutes, where sustained energy availability is crucial for optimal performance.
Finally, individual variability in response to caffeine should be taken into account when incorporating caffeinated gels into training and racing protocols. Athletes should experiment with different products, dosages, and timing strategies to determine their personal preferences and tolerance levels, thereby optimizing their caffeine intake for maximal performance enhancement while minimizing the risk of adverse side effects.
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Leg 3: What are the alternatives to coffee?
While coffee remains a popular choice among athletes for its performance-enhancing properties, several alternatives can offer similar benefits without the potential drawbacks associated with caffeine consumption. Beetroot juice, creatine monohydrate, beta-alanine, L-theanine, and Rhodiola rosea represent promising options for athletes seeking to optimize their performance through evidence-based supplementation strategies. By incorporating these alternatives into their training and nutrition regimens, athletes can enhance their athletic performance, support recovery, and achieve peak physical and mental well-being without relying solely on caffeine.
We delve into some evidence-based alternatives that can complement or substitute for coffee in achieving similar physiological effects:
Beetroot Juice: Beetroot juice has emerged as a promising alternative to coffee for enhancing athletic performance, particularly in endurance sports. Beetroot is rich in nitrates, which are converted into nitric oxide in the body, leading to vasodilation and improved blood flow to working muscles. Studies have shown that beetroot juice supplementation can enhance exercise efficiency, increase time to exhaustion, and improve performance in endurance activities such as running, cycling, and swimming. Athletes can consume beetroot juice as a pre-exercise supplement or incorporate beets into their regular diet to reap the performance benefits.
Creatine Monohydrate: Creatine is a naturally occurring compound found in meat and fish, as well as synthesized in the body from amino acids. Creatine supplementation has been extensively studied for its ergogenic effects on high-intensity, short-duration activities such as sprinting, weightlifting, and interval training. Creatine works by increasing the availability of phosphocreatine, a high-energy phosphate compound that helps regenerate adenosine triphosphate (ATP), the primary energy currency of cells. Research suggests that creatine supplementation can improve strength, power output, muscle mass, and overall exercise performance, making it a valuable alternative to caffeine for athletes engaged in anaerobic activities.
Beta-Alanine: Beta-alanine is a non-essential amino acid that combines with histidine to form carnosine, a dipeptide found in skeletal muscle tissue. Carnosine acts as a buffer against the accumulation of hydrogen ions (H+) during high-intensity exercise, helping to delay the onset of muscle fatigue and improve exercise capacity. Supplementation with beta-alanine has been shown to increase muscle carnosine levels, resulting in improved performance in activities lasting 1-4 minutes, such as sprinting, rowing, and high-intensity interval training (HIIT). Athletes can benefit from beta-alanine supplementation as part of their pre-workout regimen to enhance performance and delay fatigue during intense training sessions or competitive events.
L-Theanine: L-theanine is an amino acid found primarily in tea leaves, particularly green tea, and is known for its calming and relaxing effects on the central nervous system. While L-theanine does not possess stimulant properties like caffeine, it has been shown to synergistically enhance the cognitive effects of caffeine while mitigating its negative side effects such as jitteriness and anxiety. The combination of L-theanine and caffeine has been found to promote sustained attention, improved reaction time, and enhanced cognitive performance compared to caffeine alone. Athletes seeking a milder alternative to coffee may consider incorporating L-theanine supplements or consuming green tea as part of their pre-exercise routine to support mental focus and concentration without excessive stimulation.
Rhodiola Rosea: Rhodiola rosea, also known as golden root or arctic root, is an adaptogenic herb that has been used for centuries in traditional medicine to combat fatigue, enhance endurance, and improve resilience to stress. Rhodiola contains bioactive compounds such as rosavins and salidrosides, which exert adaptogenic effects on the body's stress response systems, including the hypothalamic-pituitary-adrenal (HPA) axis and the sympathetic nervous system. Research suggests that supplementation with Rhodiola rosea can increase endurance capacity, reduce perceived exertion, and enhance cognitive function under conditions of physical and mental stress. Athletes may benefit from Rhodiola supplementation as a natural alternative to coffee for improving performance, recovery, and overall well-being.
So that’s how to use coffee and caffeine in your training.
Aid station: Learn as you recover
Learn from other sources:
🧠 Thrive25 is a 5 minute newsletter dedicated to health & longevity. Find out how to live smarter, better and longer.
🧠 Discover the latest scientific health research with Huberman Lab.
🎖️ Level up your discipline listening to retired Navy SEAL Jocko Willink sharing advice.
Coaches Corner
Coffee and caffeine are not requirements for successful training. Use them if you see upsides during your sessions. Don’t be afraid to completely remove them from your diet, what works for one athlete will be different to another.
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Workout of the week: Speed Demon Sprinter Workout
To optimize your sprinting abilities and develop explosive power, this structured workout is meticulously designed to push your limits and enhance your top-end speed. Follow this session to hone your sprinting prowess and excel in short-distance events.
Total Duration: 60 minutes
Workout Structure:
Minutes 0-10: Warm-Up
Begin with a gentle pedal at 60-70% of your maximum heart rate (Zone 2).
Gradually increase the intensity every 2 minutes, reaching a moderate effort level.
Include several short accelerations (10-15 seconds each) to awaken your fast-twitch muscle fibers.
Focus: Prepare your neuromuscular system for explosive efforts and raise your heart rate gradually.
Minutes 10-30: Speed Intervals
Perform 8 x 200-meter sprints with 2 minutes of easy spinning recovery between each effort.
Sprint at maximum effort, aiming to maintain a consistent pace throughout each repetition.
Focus: Develop neuromuscular coordination and explosive power output, mimicking race-like efforts.
Minutes 30-40: Hill Sprints
Complete 4 x 30-second hill sprints at maximum effort, followed by 90 seconds of easy spinning recovery.
Choose a hill with a moderate gradient that allows you to maintain high cadence throughout the sprint.
Focus: Enhance leg strength and power while simulating the demands of uphill sprints.
Minutes 40-50: Speed Endurance
Execute 3 x 400-meter intervals at 90-95% of your maximum effort, with 3 minutes of active recovery between each interval.
Maintain a controlled, sustainable pace to challenge your aerobic capacity while sustaining high speed.
Focus: Improve your ability to maintain speed over longer distances and finish strong in races.
Minutes 50-60: Cool Down
Gradually reduce the intensity back to Zone 1, focusing on smooth pedaling and deep breathing.
Include gentle spinning to aid in flushing out metabolic byproducts and promote recovery.
Focus: Facilitate muscle recovery and prepare your body for future training sessions.
Additional Tips:
Hydration and Nutrition: Ensure you're adequately hydrated before and during the workout, especially in warmer conditions. Consider consuming a carbohydrate-rich snack or sports drink to maintain energy levels for high-intensity efforts.
Form and Technique: Pay attention to your technique during sprints, focusing on maintaining a stable upper body position and smooth pedal strokes. Emphasize driving force through the entire pedal stroke for maximum power output.
Progression: Gradually increase the intensity and duration of intervals as you become more accustomed to the demands of sprint training. Monitor your progress and adjust the workout intensity accordingly to continue challenging yourself.
By adhering to this structured workout, you'll effectively target your explosive power and top-end speed, ultimately improving your performance in sprinting events and short-distance races. Consistent engagement with these high-intensity intervals will lead to noticeable gains in speed, power, and overall sprinting ability over time.
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Have a great week,
Robert
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