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Guests: Mark Van Tongeren; Professor Jim Martin
Today, my guests are Mark Van Tongeren from Michigan Adventure Racing and Professor Jim Martin from the Nutrition and Integrative Physiology and Neuromuscular Function Lab at the University of Utah.
I’m not sure how I didn’t know about Michigan Adventure Racing. The organization seems so together, and Mark Van Tongeren, the founder and producer of these events seems to be the best kind of ride director.
If you are into well organized events that offer up some challenging riding, Michigan Adventure Racing might just have what you’re looking for this summer.
From his website tag line, “Adventurous
races for those who like to go wild,” to the clever event names, Hurt the Dirt, Lord of the Springs, Coast to Coast Gravel Grinder, there is truly something for everyone at every level.
I was introduced to my second guest, Dr. Jim Martin by bike fitter
extraordinaire Paul Swift. In my conversation with him back in February, he mentioned the work that Jim is doing and the fact that Jim will be the keynote speaker at a professional fit symposium at the Tour de France next month. I thought I’d nab him first.
World Champion Tadej Pogacar uses relatively short cranks. And that has re-ignited the conversation about crank arm length among a lot of folks – especially bike fitters.
So… going to the horse’s mouth – so to speak – and finding out that a change in crank arm length might be easily discerned by the rider, does not necessarily result in more power output.
Professor Jim Martin has the proof-positive that this is so, and he’s going to explain it and a lot more. Buckle up y’all… it’s a bit techy, and quite fascinating.
You can find out more about Professor Martin’s work at the University of Utah. And here are links to several of the studies we spoke about on the show.
Reprint Determinants of Metabolic Cost JAP
Reprint Determinants of Maximal Cycling Power
Crank Length and Submaximal Biomechanics

My guest is not new to the show, and he is certainly not new to U.S. cycling or to the custom bike business.
years – frame builder, painter, and currently carbon repair whiz.
My guest today is Dr. Tamanna Singh. She is a sports cardiologist at the Cleveland Clinic and, in her words, an “advocate for athletes.” 
You don’t have to ride a Trek and the
It isn’t always my great good fortune to be able speak with one of the iconic American pro riders who is still “in the bike world,” but today is one of those days.
Rabobank team in 2002. Over the next few years, he didn’t fulfill his Tour de France team just once, he fulfilled it 10 times, completing the event 8. (Unfortunately, he crashed out of two of them!)
She really wanted to wear skirts and get her nails done, but
I love talking about bike racing with
other coverage in the U.S.
My guest today is
of
When this new generation took up the reigns, that emphasis didn’t change, and today’s tours are as interesting, varied, and immersive as they were then.
John is one of my favorite repeat guests as those of you who are regular listeners know. When I want to know what is happening in the Big Apple about sustainability, bike crashes, open streets, and anything else that has to do with urban life, Professor John Surico is my guy. His substack blog “
cycling related products that facilitate a better experience on the bike – whether on the ground or in the gym.
As he mentioned, you can find him on social media @askthefitter. Check out his line of saddles at 90K.com or go to his website 
We have two great guests on the show today to talk about two timely topics – tariffs and the fires in California.
In the second half of the show, we meet another Steve – yep it’s Steve squared today.
In the years since its inception, it has grown from aiding 20,351 people in Sri Lanka after the 2004 Tsunami to 850,000 bicycles on the ground in 7 African countries and in Colombia, South America.
showed incredible results, WBR lives up to its motto of Empowering individuals to access education, healthcare and economic opportunities through life-changing bicycles.
The Buffalo bike provides a sturdy, reliable machine that offers not only transportation but safety to the thousands of people who ride them.
in 1974 with a $3,000 bank loan and a lot of chutzpah.