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Posted by: Seth Burns, David Rathbun, Annie Chapman, Dan Harper, Jackson Breen, Julian Kral, Oliver Sperin, Aidan Whitelaw
Categories: Expedition Dispatches Mount Rainier
Elevation: 12,300'
The Four Day Climb teams led by Seth Burns and Jackson Breen reached a high point of 12,300 feet on Disappointment Cleaver before making the decision to turn around. Despite the clear skies above, recent storm snow, challenging route conditions, and difficult travel all contributed to the call to stop their ascent short of the summit.
Well done to the team for their hard work!
Posted by:
Categories: Mount Rainier
My heartfelt condolences. A painful and poignant reminder that these professionals only make climbing LOOK easy and without risk.
Posted by: Danny Bobrow on 6/17/2014 at 2:04 pm
God Bless those who were taken “home” during this part of their life’s journey. May peace come to the family and friends of all.
Please forgive the commercialism attached to this ... but i simply cannot think of a better song for those who were called to ... and from ... the mountain !!!!!
Posted by: Kathy Wolf on 6/2/2014 at 2:14 pm
Posted by:
Categories: Mountaineering Fitness & Training
| DAY | WORKOUT | TOTAL TIME | DIFFICULTY |
| 1 | Rainier Dozen / Easy Hiking ( 30 min) | 42 min. | Medium |
| 2 | Rainier Dozen / High Intensity Stair Interval Training (60 min) | 72 min. | Very Hard |
| 3 | Rainier Dozen / Rest | 12 min. | Recovery |
| 4 | Strength Circuit Training x 4 | 54 min. | Hard |
| 5 | Rainier Dozen / Rest | 12 min. | Recovery |
| 6 | Rainier Dozen / Cross Training | 60 min. | Medium |
| 7 | Hike (5 hrs, 15lbs of pack weight) | 300 min. | Medium |
| Total | 9 hrs 12 mins |
I am 64 but keeping current on these weekly training segments. I have 4 stents and on blood thinners, can I climb if I still am on a blood thinner….deferring to my cardiologist but would like your opinion on past climbers in my situation ?
Posted by: Joe Snyder on 5/19/2014 at 3:26 pm
Posted by: Dave Hahn, JJ Justman, Mark Tucker
Categories: Expedition Dispatches Everest
Elevation: 4,383'
Dear Dave, your post have been a blessing to me. I have been praying for all of you, and for the sherpa and their family, also for the people of Nepal.
Have a safe trip back home! God Bless You all, Pastor Sylvia Joplin
Posted by: Pastor Sylvia Joplin on 5/4/2015 at 4:12 pm
Hi,Dave:
Glad you and your team are safe and finally on your way home. Your blog has been extremely informative and I’ve looked forward to reading them and of your previous exploits. You may not recall but back in 1990 as a way to thank the team at VM sports medicine for rehabbing your leg you took a small group of us up Mt Rainier. I was in that group and you had me rope lead behind your lead. I applaud you on all your accomplishments and look forward to reading about many more. Stay safe.
Posted by: greg faulkner on 5/4/2015 at 11:27 am
On The Map
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Posted by: Spippifsmoito on 8/18/2013 at 6:44 pm
congratulations! loved following your updates!
Posted by: michelle on 5/26/2012 at 9:17 pm
Posted by: Ben Ammon, Dominic Cifelli, Lauren Macklin, Daniel May, George Hedreen, Charlie Harrison
Categories: Expedition Dispatches Mount Rainier
Elevation: 14,410'
The Five Day Climb May 4 - 8, 2023 reached the summit of Mt. Rainier yesterday afternoon led by RMI Guides Ben Ammon and Dominic Cifelli. The team had a nice day with the clouds below until they reached about 13,500', then they were enveloped by a cloud cap but were able to push through to the summit. They did quick high fives, hugs and quickly started their descent. They returned to Camp Muir for a well deserved rest. The team began their descent from Camp Muir at 9am. We look forward to their return to BaseCamp this afternoon.
Congratutions to the team!
Yay, Darius! ❤️
Posted by: Jenn on 5/8/2023 at 10:27 pm
Dave you are an inspiration to us all…. Go Big.. Hope to see you on Rainier on August 27th when I go for my 5th summit
Posted by: Tim Ramey on 5/25/2012 at 5:58 pm
Posted by:
Categories: Mountaineering Fitness & Training
Climbing is a long and demanding endeavor, with a typical summit day on Rainier or Denali stretching for twelve to fifteen hours. Every time you take a step, your muscles require energy in the form of ATP to be able to fire. ATP is created within the muscle cells by mitochondria from two main nutrients: carbohydrates and fat.
For many years, athletes have focused on their carbohydrate intake as the key to performance. Carbohydrates provide a readily accessible and easily digestible energy source for your body, which is the reason that they are the main content in most sports foods; just look at the labels of shot blocks, Gu’s, bars, energy drinks, and the like, and you will see a heavy focus on sugar. There is a good reason for this: your body has a limited ability to digest food while exercising (digestion requires energy of its own), and carbohydrates and sugars are the easiest to digest, requiring little to be done to the glucose components before they enter the bloodstream and are carried to the cells.
The main issue with a reliance on carbohydrates is that your body has the ability to store a finite supply of glucose in the muscle cells and the liver in the form of glycogen. For trained athletes that are efficient with their energy usage, that store still only lasts for about 2 hours of sustained hard effort. If you aren’t familiar with the term “bonking,” it’s that feeling when your performance drops off a cliff; you don’t feel like you are working that hard aerobically, but you can’t possibly go any faster or harder. You’ve run through those glycogen stores and your muscles are out of fuel. Eating while you exercise can help to delay bonking, but your body can only process about 250 Kcal of sugar per hour, far less than you expend over the same period. Even though we are replenishing our sugar fuel, we dip further and further into those reserves as summit day goes on. At the same time, even the leanest among us carries over 24 hours of energy in the form of fat stores. Wouldn’t it be nice to recruit those stores while you are climbing?
Fatty acids are the most energy dense nutrients in our diet and our body stores them readily. They create more ATP per unit than sugars, and our body’s ability to store them can leave us with a huge reserve energy supply. The problem is that when fatty acids and sugars are both present, our metabolisms preference burning the sugars for energy. Julia Goedecke is a sports scientist who has been examining the influence of fat oxidation (metabolism) in endurance athletes. In examining rates of fat oxidation in athletes at different intensity levels, she found a vast difference in overall rates of fat oxidation. Some burned nearly no fat at rest, while others metabolized nearly 100% fat at rest, but while there were differences in overall rates of fat metabolism, those who metabolized more fat at rest derived more of their energy from fat at all intensity levels too. This would suggest that if we can train our metabolism to derive a greater percentage of our energy from fat, it will continue to do that as we up our intensity climbing, and we will use our sugar reserves more slowly, and hopefully avoid the dreaded “bonk!”
Now that we’ve introduced the idea of developing your fat metabolism, stay tuned next week as we get into the details about how to accomplish it.
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For more reading Alan Couzens has a number of interesting blogs on the subject. A good one to start with is Improving Fat Oxidation.
Questions? Comments? Do you have experience applying LCHF nutrition to endurance sports? Share your thoughts here on the RMI Blog!
I have climbed Mt. Rainier twice now. The first time was not good. I did not finish. I had misplaced a contact lense. The second time was much better. I was a lot stronger with the second climb. It was a nice day and we all summited. It was a very nice day. I have climbed Mt. Hood and have climbed Mt Adams now. Both were nice climbs.
Posted by: Mark Brashem on 2/1/2022 at 5:03 pm
Those that burn more than “trace” amounts of fat while at rest or during strenuous output are fat adapted. They have gone through the process of fat adaptation by employing a lifestyle of Low Carb, Keto, etc. You don’t get there overnight and in fact some, despite their efforts, never attain it at all. And once your body becomes fat adapted, you have to maintain it too effectively utilize fat as energy. The use of a blood ketone meter is is good tool to monitor your level. That being said, the problem we face as Climbers, is how do we maintain a fat adapted state while travelling? Have you ever attempted to maintain the 75/20/5 (fat, protein, carb) ratio while in India, Pakistan, Nepal, etc? Good luck. Unless you have your food air-dropped in, or pull off the impossible and transport all of your food you will ingest over the next 4-6 weeks from home, you are stuck with noodles, rice, and junk food snacks, all high carb food, which once ingested, rocket you straight out of your fat adapted state. And back to square one. This dilemma is something i am struggling with for 2023 when i next travel to Asia. I know what i can do here on Whitney, Gorgonio and Jacinto while fat adapted and in ketosis, yes, lower elevations than Asia, but if i can some how figure out the food logistics for Asia, i will be Superman! Doesn’t look promising though.
Posted by: Al on 3/8/2021 at 9:54 am
Posted by:
Categories: Mountaineering Fitness & Training
High Intensity Interval Training, often referred to popularly as HIIT training, have been featured in a few recent studies that concluded that a short HIIT workout was as or more effective at promoting cardiovascular health than steady state activity. The first paragraph of a recent New York Times article reads:
Think you’re too busy to work out? We have the workout for you. In minutes, high-intensity interval training (HIIT) will have you sweating, breathing hard and maximizing the health benefits of exercise without the time commitment. Best of all, it’s scientifically proven to work.
Despite the recent attention, interval training is not anything new to seasoned athletes and coaches who have understood the benefits of repetitive high intensity workouts for a long time. Many of the recent studies have focused on previously sedentary people trying to improve basic cardiovascular health, rather than on elite athletes striving towards a performance goal. With that said, we have and continue to encourage climbers to utilize interval training (by it’s nature high intensity) as part of a well-designed training program.
Interval training can accomplish a wide array of tasks and works best when the focus of a workout is clear:
Longer intervals, from 5 to 8 minutes, at 70 – 85% of max heart rate work to improve the lactate threshold, the body’s ability to metabolize and clear lactate build up from muscle cells, increasing the amount of work that the body can perform sustainably. A good example is an elite level marathon runner, who is able to sub six-minute miles for over two hours during a race. The intensity that they are working at is very high, yet the body is able to sustain it over a very prolonged period of time.
Shorter intervals, from 20 seconds to a few minutes, performed at 85 – 95% of max heart rate (very intense!) increase the body’s anaerobic threshold, it’s ability to perform work while in oxygen deficit. Think Olympic swimmer in the 50-meter butterfly: the intensity that they race at surpasses the body’s ability to clear lactic acid and to provide enough oxygen to the muscle cells for them to continue that pace for a long period of time. The race is very short, however, and for that 20-something seconds, their muscles are able to put out an immense amount of power in oxygen deficit.
It may seem as though interval training isn’t as applicable to our sport of mountaineering. We tend not to sustain the very high levels of output, but instead operate for far longer periods at moderate intensity. It is the very definition of an endurance sport. Interval training provides other physiological adaptations however that go beyond the abilities of the skeletal muscles. Interval training is shown to increase cardiac output, by increasing the size of the left ventricle, the stroke volume and the overall contractility of the heart. Increased cardiac output supplies more blood to muscle cells, delivering more oxygen and removing more waste. Additionally, interval training has been shown to increase the size and density of mitochondria in the muscle cells. Mitochondria use oxygen to convert glucose to ATP (the cells’ energy source). Both of these adaptations help endurance athletes go longer, faster and with less effort, and ultimately help us in the mountains.
Interval training is harder on your body than traditional steady state workouts and requires longer to recover from as well. Therefore, too heavy of a focus on interval training can lead to overtraining and injury. More of a good thing isn’t necessarily better. It’s important to realize that a good training plan maintains a balance of high intensity workouts and lower intensity steady state workouts.
As part of the recent HIIT hype, people have championed the fact that HIIT gets more done in less time, even as little as 10 minutes. This may be true for an average person whose goal is to improve overall cardiac health, but for athletes working towards goals in the mountains, remember that there are no short cuts. Time invested in your training will lead to a more enjoyable and successful climb.
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Questions? Comments? Share your thoughts here!
Fantastic insights on integrating HIIT into rock climbing training! Your clear explanations make it effortless for novices like me to recognize the benefits. Thank you!
Posted by: Musclegaragefitness on 12/29/2023 at 4:15 am
Incorporating HIIT into mountain climbing education is a game-changer! Your insights supply a realistic method to elevating health for difficult terrains. Thanks for the treasured guidance!
Posted by: Rejesh raj on 12/18/2023 at 1:29 am
RMI Guide Elias de Andres Martos checks in from high camp on Alpamayo.
We just got word that you successfully summited! Way to go team. We are in awe of this magical experience. Can’t wait to celebrate over Face-time with you. Now focus on getting down safely.
Posted by: Rhea Campbell & Alex Lickerman on 7/24/2014 at 10:05 am














Sometimes it is wise to turn around. It’s a hard decision, yet most likely the right one. Live to see another day, then try again! Great update! God Bless!
Posted by: Harriette Chiavacci on 6/28/2026 at 4:55 pm
Being on the safe side is always a good choice. Been there done that on the Emmons Glacier Route years ago. Maybe next time you’ll reach the summit.
Keep on trekking.
Posted by: Monika on 6/28/2026 at 4:19 pm
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