I'll share with you something from the Freedoms Run website  where there are a lot of great runner materials and a series of races  to register for this fall (hint, hint). Mark teaches running, is a race  director, a CHI running instructor and a physician. He co-taught an excellent running clinic this past weekend in Shepherdstown this past weekend and he owns a running shop that teaches folks better technique with less shoes. When I asked him to  come speak in Elkins last summer he graciously said yes, and then our schedules did not  connect (he is clearly a busy guy). I'll share here an essay that appears on the CHI running site, Dr. Mark's website, and is the kind of insight I've found that he is known for - maybe it provides you with some inspiration, and reinforces what we discuss in class.
How to Run the Boston Marathon
Written by Mark Cucuzzella, MD
As you enter the week prior to the race, here are a few visualizations to help you set your plan. Running your best marathon is part art, part science, part guts, part faith in what you can do, and a little luck, whereas running your best 10k is mostly about fitness.
I’ve  had the pleasure of running this race 16 times and the last 10  consecutively.  My only misses were for military and work duties, and a  foot surgery.  In all these efforts, I had 5 under 2:30, 5 between 2:30  and 2:35; 2 between 2:35 and 2:40; 3 between 2:40-2:44; and one DNF  (first one with lots of rookie mistakes). My best learning experiences  were when the men and women started together and I had the privilege of  running alongside and witnessing the patient approach of the top ladies. 
In the 1998, Fatuma Roba, the Marathon Gold Medalist in Atlanta  and 3 time Boston winner, scooted over the ground with an incredibly  efficient motion. Her knees stayed low, she lifted up her feet, arms  relaxed, and face always relaxed. She stayed out of trouble by tucking  behind the lead pack of more aggressive ladies. I followed behind the  train and we hit half way in about 1:13. Fatuma then opened her stride  up in the second half moving away from all of us to run a 2:23. An  amazing second half effort. I was pleased with a 2:27 that day and  credit Fatuma as any thoughts to go faster sooner were mitigated by her  patience.
A few years later in 2001, I witnessed multiple world  champion and Boston winner Catherine “the Great” Ndereba employ the same  strategy. Her hydroplaning stride and complete relaxation of effort  were a contrast to other ladies in the pack whose body language and  breathing revealed they were putting out more energy than Katherine. As a  group, we hit the half in 1:14. Katherine stayed relaxed down the last  set of downhill during mile 17, then tightened the screws with great  acceleration over the Newton hills, running the last 10 miles in 50  minutes for a 2:24. Katherine helped my day. By cuing off  her pacing  and relaxation, I ran an even race and finished in 2:29.
The  other runner who taught me to have fun out there was the legendary 3  time Boston winner Uta Pippig of Germany. In 1997, I ran with her until  she dropped me at Cleveland Circle, mile 22. The crowds loved Uta, and  the noise escalated as she approached. She smiled the whole way … this  may be her cue to relax, feed off the crowd’s energy, and have fun in  the moment. In marathon running you must be present in the moment, not  thinking about how far you have to go, fearing what you may feel like  later, are you going to slow down, when’s the wall coming. Uta ran a  strong fourth place that day in 2:28 and I finished a few strides back  in 2:29.
All of these ladies made sure to get their fluid and  nutrition at all stops. The seconds used here paid dividends down the  road. They ran over the road not into the road, especially on the  downhills … you could hardly hear them land as they did not employ hard  heel striking technique. Their posture was tall and their arms always  relaxed. But most vital was their efficient energy conservation and  utilization strategy.
So how does this apply to you in your Boston Marathon, whether you are going to run 2:20 or 4 hours plus?
The  best analogy I can think of is this: if you have trained your body  properly with the right mix of aerobic level training and some up tempo  stuff in recent weeks, you have built your efficient hybrid engine ready  to race the marathon.  Many of you have driven in a Prius and watch the  subtle shifts between gas and electric on the screen.  You do not  perceive these shifts. Your engine runs on gas, electric, or a mix-  depending on the effort.
You are starting the race with one  gallon in the tank- assuming you have eaten a nice meal the night before  with a breakfast top off.
•    If you are in all gas mode, your engine will run about 1.5 hours at a strong pace….then you are out of gas.
•    If you are mostly electric you can run all day, but maybe not so quickly.
•     If you are using the proper mix you will go quick and efficient for  duration of your event, and you can even do some topping off along the  way.
The glucose utilizing pathway is the gas. This is your  stored glycogen and blood glucose (pasta meal and breakfast) - easy to  access for ready energy.  The fat utilizing pathway is the electric.  In  marathons you must be in hybrid until the last few miles.  Hybrid is  where your energy (ATP) is coming from both sources.
Many runners  are in great “10k shape” (an all gas event), then run their marathon in  the gas mode- and usually crash.  No glycogen sparing factors apply in  races of less than an hour as long as you had a good pre-event meal to  fill the tank. In marathons and ultras- top end fitness matters little  and can only be applied very near the finish. Glucose gives 36 ATP per  molecule, fat 460 ATP per molecule.  Now you know how a bird can migrate  7000 miles without a Powerbar.
So how do you know you are running in your best hybrid mode?
This  is difficult because the sense is not as profound as aerobic/anaerobic.   A slight increase from your optimal pace will switch you from hybrid  to all gas without you realizing it, and the effects are felt miles  later. Charging up hills early will tap your gas quickly.  Maintain  effort not speed.
You must rehearse a bit in training.  I focus  on relaxation and breathing.  If I’m breathing one cycle to 5 steps,  then I’m hybrid.  Any faster I’m using glucose as sole fuel.  Belly  breathe- allow lower belly to blow up like a beach ball on inhalation  and pull your belly button back to your spine on exhalation.  Then you  will fill the lower lung areas where oxygen exchange occurs.
Notice  the breathing efforts of those around you and many are rapid breathing-  they tend to suffer somewhere past half way.  Rehearse complete  relaxation from the top down- eyes, jaw, shoulders, allow your legs to  relax and extend behind you, relax and soften your knees and ankles.   Find you own cue for this.  If you use the Heart Rate Monitor in  training strongly consider one during the event.
In a marathon,  the last 3-4 miles you will be all gas to maintain the same speed as  fatigue sets in.  The breathing is usually on a 3 to 4 step per breath  cycle- that is OK.  Still stay relaxed and use some relaxation cues that  you have rehearsed to keep your form.
Land softly, especially on  the early downhills.  I use a running method called ChiRunning which  focuses on midfoot strike, slight forward lean, and letting gravity do  some of the work.  A few months after learning this technique I ran a  2:31 here at age 39 and felt none of the usual post Boston soreness.   Felt so good I lined up 5 weeks later in Ottawa for another 2:32.  I’m  never sore after marathons now thanks to ChiRunning and feel I can keep  doing them until I enter the retirement home. No pain…thank you.
Your  shoes matter too.  Not that you are going to change your shoes in the  next day based on my advice...but make strong consideration to not  running in minimalist racers unless you have trained substantially in  them. Your body will need some protection on the downs to save muscle  fiber for the later rolling sections.  My favorite shoe is the Newton  Neutral Racer, an incredible marathon shoe if you are running with a  proper midfoot landing.  If you relax your lower legs and not push  off…these shoes with no heel elevation put you in perfect position to  allow natural elastic recoil of plantar fascia, Achilles, calf muscles,  and hip flexors.  Try to learn the midfoot strike and test the Newtons  before Boston 2011.  Read Dean Karnazes new book “50-50” (50 Marathons,  50 States, 50 Days).  He has figured this gait efficiency technique too  and it has allowed him to accomplish some amazing endurance and  durability feats.  “Born to Run” also makes the case for running with a  more efficient stride and questions modern running footwear. The  evolving world of modern sports medicine is going back to the future too  and rediscovering what evolution has taught us.  For an all inclusive  document go the www.freedomsrun.org and click “download presentation”  from the homepage.
Now a few extra ways to get from start to finish quicker on the same gallon.
•     If you can add a little gas along the way then you can go more into  gas mode.  This works a little at best.  If running too fast you shunt  all blood to working muscles and nothing digests.  If you are in hybrid  the early going you can continually add fuel- the key is not only the  correct fuel, but the right pace.  A Powergel every 25 minutes is easy  to digest and tops off the tank.  Carry them with you at the start.  The  weight is nothing compared to the benefit you will get.  If you do the  gels then you can drink water instead of the energy drinks which are  often less predictable on the run. Boston has a Powergel station at Mile  17.  Carry 4 at the start (one every 4 miles or so) and reload at mile  17.
•    Maintain effort on uphill.  Your pace will slow. You can  easily use all your gas here if your effort increases.  Shorten your  stride, relax, and use your arms.  Then allow gravity to take you down.
•     If you are having a “bad patch” – try to refocus on relaxing, fuel a  bit (sometimes a blood glucose drop triggers the sense of doom) , and  have faith in your training and race plan.  Another nice trick is when  you hit mile 21 it is not 5 miles to go, it is 4 and change. Mile 22 is 3  and change to go.  Just run to the next mile marker.
The fun  of the marathon is that we are always learning and enjoying the  adventure of it.  I’ve done over 50 marathons now with a couple under  2:25 in my younger years. I’ve had one DNF at my first Boston in 1989. I  raced the first half in 1:08 in gas mode not realizing it, in really  minimal shoes that I’d not trained in, and was done by 20 miles.  My  worst time of the all the others has been a 2:44 at “run for hoses”  Boston on 2005- 90 degrees and sunny.  No hybrid here as efforts to cool  were overwhelming.  Another slow day was a 2:41 in the “run for cover”  Boston in 2007.  This was year with 30 mph headwind and Nor’easter rain.   I was not in hybrid in this race in efforts to fight wind and cold,  hit half way in 1:16, and suffered coming home.
We learn from  experience, taking chances, and occasional failures. My first marathon  in 1988 was 2:34. This year (22 years later) I hope for a similar time  (2:37 in 2009 race with some tough winds coming in).  Along the way I’ve  accumulated 20 straight years under 2:35 except for my year of medical  internship when there was no time to find a race. I’ve learned a few  things in 20 years, but still there are uncertainties every time you  line up.  Relax, taper up, and seize the day.  
Mark Cucuzzella MD
Associate Professor of Family Medicine West Virginia University
Lt. Col USAF Reserves
Coach USAF Marathon Team and Medical Consultant for Air Force Marathon
Race Dircetor Freedom’s Run (www.FreedomsRun.org)
 
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