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Did Serena Williams Cheat with Coffee?

You are here: Home / Coaching / Did Serena Williams Cheat with Coffee?
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January 6, 2015 by Jimson Lee Leave a Comment

Did Serena Williams cheat with coffee?

Serena Williams LOST her first set 6-0 to Flavia Pennetta at the Hopman Cup in Perth, Australia. With the jetlag, she decided a coffee might perk her up.

Serena recovered to win 0-6, 6-3, 6-0 in hot, sweltering weather.

Did she (or her coach) read my 2008 article on Caffeine Effects Short-Term Performance during Heat Prolonged Exercise? (heh heh)  Or my 2009 article on Benefits of Caffeine and Multiple Sprint Running Performance ?  Maybe…

Did Serena Williams cheat with coffee?

Coffee and caffeine is a stimulant.  No arguments here.

“I was just feeling it, so I just had to get some coffee into me,” Williams said. “I just asked them to get me a shot of espresso — I asked them if it was legal, because I’ve never done it before. I needed to wake up.”

I’ll go on record that I regularly drink an espresso after every large Italian meal Smile

Coffee: Why I Like It, and Why I Drink It

Coffee, and caffeine, is a stimulant.  Plain and simple.

I’ll go on record that I do drink it every day in everyday life, as well as before track meets.  Call me a cheater in my face, no problem, I’ll kick your butt in the 400m (age group, that is)

First reason: it helps me wake up, especially when I have a 9 or 10 am heat, I like to wake up 4 hours before.  To understand why, read Sleep for Athletes

2nd reason: This is a real crappy topic to discuss, but coffee helps empty my bowels in the morning.  Plain and simple.

3rd reason: I personally feel it helps with my reaction time.  If Yohan Blake had a better reaction time on his 19.26 200m (it was 0.269 where his 100m reaction time was 0.174 in Daegu), he would have broken the world record with a 19.17 WR.  Here is a detailed read on how to practice reaction times,

[Tweet “If Yohan Blake had a better Reaction Time on his 19.26 200m, he would run 19.17 WR”]

4th reason: (but not the reason why I take it): it helps increase metabolism and burn fat.  Even without working out, I can maintain a BF of less than 10% and I think that is attributed to my metabolism, with coffee being one of my reasons for staying lean.

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5th reason: (for long distance and marathon runners): it helps increases the blood level of free fatty acids available for metabolism, instead of using glycogen.  This only works with slower running speeds.  It also helps delay fatigue (or perceived fatigue) which is why you see caffeine in products like Goos, Gels, and Clif Shot Bloks.  Mike Kreaden, are you reading this?

6 Facts on Caffeine

The Jolt Is Legit

The performance boost you get from caffeine is a result of how it hot-wires your central nervous system, says Matthew Ganio, PhD, an exercise physiologist at the Institute for Exercise and Environmental Medicine in Dallas.

“Caffeine crowds out a calming brain chemical called adenosine,” he says. You become more alert, you react faster, and you don’t feel like you’re working as hard, all of which add up to training or competing at a higher intensity for a longer period of time and being more agile in a pack.

It Will Not Dehydrate You

“In reasonable doses, caffeine alone won’t lead to more bathroom breaks during a ride or a greater risk of dehydration,” says Mindy Millard-Stafford, PhD, former president of the American College of Sports Medicine. The upshot, she says, is that regardless of whether you supplement with caffeine, you don’t need additional fluid to avoid performance-sapping dehydration during a ride. The long-held belief that caffeine can muck with your body’s ability to regulate heat during exercise in hot weather has also been muted by science.

It Affects Everyone Differently

Before breaking out a Starbucks Venti on event day, Ganio suggests testing what caffeine does to you during hard training sessions. “If you feel jittery, anxious, or notice your heart racing, dial back the amount you take in before a ride,” says Ganio. “If you can’t find a caffeine level that leaves you feeling comfortable, skip it. Side effects can impair performance.”

You Can Develop A Tolerance

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Your body eventually adapts to the effects of caffeine, limiting the performance benefit. If you regularly drink more than five daily cups of coffee, Ganio recommends tapering your intake by a half cup a day for several days prior to a big ride, saving higher amounts of caffeine for before and during actual events.

So by not drinking coffee or espresso on a regular basis is one reason why the effects was greater for Serena Williams!

[Tweet “Serena Williams didn’t build a tolerance for coffee or caffeine, so the espresso worked”]

Timing Is Everything

It takes 60 minutes for caffeine to start affecting the body, so imbibe one hour before a ride. “For rides lasting two hours or more, take half of your caffeine before and the other half in divided amounts during the ride,” says Ganio, “making sure to consume the remainder when there is more than an hour left in your ride.” Say you plan to take 200mg of caffeine for a three-hour ride: Aim for 100mg one hour before you get on the bike, and 50mg at the beginning of each hour thereafter.

Training Trumps It

“While caffeine can boost performance by 3 to 5 percent, training can bring about improvements by upwards of 50 percent,” Ganio says. There’s also the possibility of getting over-amped and going out too hard too soon, leaving you with nothing in the tank well before the ride’s end. Bottom line: No amount of caffeine will turn a donkey into a thoroughbred.

The Coffee Power Nap

As mentioned above, since it takes up to 60 minutes for caffeine to start affecting the body, some people I know drink a cup of coffee or espresso, then immediately lie down to take a short 15-20 minute power nap.  When they awake, they will be supercharged with the caffeine in full effect!

Truth is stranger than fiction.  Especially in Track in Field.

Caffeine Limits in the NCAA

With the indoor season well under way, I want to remind those athletes in the NCAA that caffeine is still on the list of controlled substances.

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The NCAA maximum acceptable level is 15 mcg/mL (micrograms per millilitre) in the urine.

Now unless you have a Starbucks Venti sized drip coffee with an extra shot of espresso, a Rockstar Energy Shot, a couple of No-DOZ pills, and the new improved Vitalyze, this limit shouldn’t be a problem.

A standard drip coffee has around 100 mg per 8 oz cup (250 ml), and 100 mg of caffeine equates to approximately 1.5 mcg/mL in the urine, so you’re looking at 10 cup of coffee IN ONE HOUR to produce a sample of 15 mcg/mL .  Can you spell ectopic focus?

12 grams, or 12,000 mg of caffeine can actually kill you.  That’s a lot of coffee.

It takes around 30-45 minutes for caffeine to be absorbed into the bloodstream

Like alcohol, caffeine is metabolized in the liver.  The half-life time, or the amount to break down to 50% levels, depends on age, liver function, and other medications such as female oral contraceptives (which slows it down by almost 50%).

The estimated half-life in adults is anywhere between 5 hours in a healthy male to 10 hours for a female taking oral contraceptives.

So your window of testing positive is pretty high if you consume too much too soon.

If you consume too much caffeine close to the test, you may want to take the test right away before all the caffeine gets absorbed.  Moreover, if your caffeine was ingested a while ago, then delaying the test as long a possible is the key.

In an alcohol breathalyser, you have 2 hours to contact your lawyer to be present before you are forced to take it.  Refusing to take it is equivalent to a positive test.

Good luck sleeping after the track meet!  I guess that’s where a few beers come in.

For a complete list of products and their caffeine levels, check out the caffeine database.

More info on Coffee and Caffeine

  1. Coffee is Good. Coffee is Bad. You Choose (Part 2)
  2. 17 Reasons to love Coffee, Espresso and Caffeine
  3. Coffee is Good. Coffee is Bad. You Choose

Category iconCoaching,  Health & Wellness,  Sports Nutrition,  Supplements,  Track & Field,  Training

About Jimson Lee

I am a Masters Athlete and Coach currently based in London UK. My other projects include the Bud Winter Foundation, writer for the IAAF New Studies in Athletics Journal (NSA) and a member of the Track & Field Writers of America.

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