Jenny Herbold, MA, CPT

The heart was once considered to be a furnace in which the fire of life resides. This fire kept the blood boiling. The heart, as an organ, as a deliverer of the nutrients of life, and as a keeper and destroyer of love, rules both mind and body. Without the heart comes death.

Jennifer Herbold

California State University, Chico, MA, Kinesiology (Exercise Physiology), 2015

Thesis: Lipid Oxidation in Females During the Postexercise Recovery Period: One vs. Two Bouts of Exercise

University of Cincinnati, BA, Journalism (Minor: English), 2007

Area of Expertise: Magazine feature writing

Jenny is an Exercise Physiologist, and the founder, author and web developer of She loves all things cycling, is an avid mountain biker and enjoys the occasional employment of practical jokes.

She also contributes regularly to, focusing her writing around mountain bike training. She covers events and races with a physiology twist, such as Red Bull Rampage and the 24 Hours in the Old Pueblo.

She’s has been a certified Personal Trainer (CPT) since 2014 and is currently working toward earning a USA Cycling Coach certification. She has coached and consulted with an array of athletes, from amateur to professional, including three-year North American Enduro Tour champion, Kyle Warner of Marin Bikes.

Research Interests

Physiology is a network of networks. Her research interests include: fuel metabolism and bioenergetics, lactate metabolism, the effects of altitude, cold and heat on fuel metabolism, the effects of exercise on vascular remodeling and cardiovascular diseases, and the use of positive psychology techniques in sport.

Military Experience

Jenny enlisted into the US Army Reserves in 2006 as an Engineer.  Upon graduation from the University of Cincinnati in 2007, she commissioned into the US Army and ultimately, had a blast (literally!) While stationed in Penn Yan/Fort Drum, NY, as a part of the 770th Engineer Company, she was named the 2010 Army Engineer Association/US Army Corps of Engineers Platoon Leader of the Year for the US Army Reserve. She was also the first female to graduate as an Explosive Ordnance Clearance Agent for the Corps of Engineers. A short time later, she successfully transitioned to work as an Explosive Ordnance Disposal (EOD) technician and a Master Resilience Trainer.

Explosive Ordnance Disposal graduation day, July 2011. Hard work, lots of fun!

Graduate Education and Teaching Experience

Jenny earned a master’s in Kinesiology (Exercise Physiology) from California State University, Chico.  Because she loves nerding out on the inner workings of human metabolism, she also completed a substantive, 3-year course load in chemistry. Her master’s thesis focused on deciphering the differences in how men and women use fat during the postexercise recovery period.

One of her loves? Teaching. Alongside her graduate coursework, Jenny instructed 2 years of Exercise Physiology laboratory at CSU Chico and personally tutored more than 150 students in various subjects, including human physiology, exercise testing and prescription, chemistry and exercise metabolism.

Upon graduating with distinction, she was honored with several awards, to include the 2015 Outstanding Kinesiology Thesis, and an Academic Excellence Award, both presented by the Department of Graduate Studies.

Jenny now resides in Phoenix, AZ, with her husband, David Herbold (an excellent web developer at ASU) and their two cats, Jens and Juneau.  She has taken additional graduate coursework as a part of the Physical Activity, Nutrition and Wellness program at Arizona State University, along with an abundance of self study. She currently works part-time conducting dysrhythmia diagnostics at Abrazo Arizona Heart Hospital.


Sports (ok… cycling):

Jenny has always been involved in sports, from competitive swimming in high school to 8 years in the military (where her Soldier’s would tell you she definitely kicked some ass). Her interest in cycling began when she moved to Chico in 2012.  While recovering from a running-induced foot injury, she was conned into purchasing her first bike, a Trek Fuel EX8, by two good friends she now regards as brothers (thanks, Tom and Colin!) Mountain and road cycling are now fully integrated into her lifestyle – there isn’t a day that goes by where she isn’t riding, or at least writing about it.

Road and Mountain Bike Racing and Events (as an athlete, as media, or just for the experience):

  • 2017
    • Upcoming: MTB: Whiskey Off-Road 50, Category: Amateur Women
    • Upcoming: MTB: 24 Hours in the Old Pueblo, Cat Women’s Solo, Riding for Club Ride; Media credential for truPhys and
  • 2016
    • MTB: Outerbike, Moab, UT, Representing Pivot Cycles (just for the experience!)
    • MTB: Red Bull Rampage, Media Credential, truPhys (read our story, here!)
  • 2015
    • MTB: 25th Annual Flight of the Pigs, Phoenix, AZ ; 70-mile unsanctioned mtb event
  • 2014
    • Road: Mt. Shasta Summit Century, 100 mi, 10,500 ft of climbing
    • Road: Castle Crags Century, 97 mi, 8,500 ft of climbing
    • Road: NCNCA Henleyville Road Race, Cat 4, 6th place
    • Road: NCNCA Challenge Challenge Road Race, Cat 4, 1st place
  • 2012
    • MTB: 24 Hours of Gold, Category 8-hour Duo, 1st place
    • Run: Dam Fast 5K 2, 4th place overall men and women
    • Run: Dam Fast 5K 1, 11th place overall men and women
    • Run: Independence Day 5K, 4th overall women, 3rd place age 20-29 women
  • 2010
    • YMCA Reindeer Run 10K, 2nd place overall women, 1st place age 25-29 women

Favorite Ride:  A 135 mile, 15,000 ft of climbing all-day road ride full of awesome camaraderie and absolutely beautiful scenery through the Sierra Nevada Mountains.

Bikepacking the Arizona Trail in November, 2016.

Cycling Paradise

Air guitar… it’s only proper.

Notable Publications/Abstracts:

Herbold, J. L., Hook, B. E., Jarrett, C. L., Tucker, W. J., Bhuiyan, N., Fernandez, J. A., … & Angadi, S. S. (2016). Abstract P249: Effects of the Walking Intervention Through Texting Trial on Novel Markers of Vascular Stiffness and Remodeling. Circulation, 133(Suppl 1), AP249-AP249.

Hook, B. E., Jarrett, C. L., Herbold, J. L., Tucker, W. J., Hurley, J. C., Todd, M., … & Angadi, S. S. (2016). Abstract P250: Changes in Glycemia and Blood Lipids Following a 4 Month Mhealth Walking Intervention. Circulation, 133(Suppl 1), AP250-AP250.

Herbold, J.L., Frigaard, M.J., Azevedo, J.L. (2015) Lipid oxidation in females during the postexercise recovery period: One vs. two bouts of exercise. Southwest American College of Sports Medicine 35th Annual Meeting. Costa Mesa, CA, 2015.

Angadi, S. S. (2015, July 28). Get People Exercising. ( classes/ideas/up-for-discussion/#Siddhartha+Angadi), July 28, 2015. Contributing writer.

We Can’t All Go to Fancy Yoga Classes. (2015, July 28). TIME. Retrieved from

Barker, J. L. (2015). Lipid oxidation in females during the postexercise recovery period: One vs. two bouts of exercise. (Master’s thesis, California State University, Chico).

Cross, R., Azevedo, J.L., Mache, M.A., Faris, E., IV, & Barker, J.L. (2014) The effects of blood glucose concentration on decision making. 2014 International Conference on Outdoor Leadership – Research Symposium. Presented by the Wilderness Education Association. Indiana University, 2014

Physiology of Exercise (KINE 323) Laboratory Manual, California State University, Chico, 2015. Editor.

Contributing writer:

  • (Current)
  • Inside Business (2006)
  • Cincy Business (2005-2007).


Gravity Riders Organization of Arizona, Tempe, AZ.  “Arm Pump and Ulnar Neuropathy in Mountain Biking.”  October 27, 2016. Seminar.

American Heart Association Epidemiology and Prevention/Lifestyle and Cardiometabolic Health 2016 Scientific Sessions, Phoenix, AZ. “Effects of the Walking Interventions Through Texting Trial on Novel Markers of Vascular Stiffness and Remodeling.” March 1-4, 2016. Poster presentation.

Southwest American College of Sports Medicine 35th Annual Meeting. “Lipid oxidation in females during the postexercise recovery period: One vs. two bouts of exercise.” October 16- 17, 2015. Poster presentation.

Chico Masters Cycling Team monthly meeting, “Substrate selection during exercise and recovery.” April 2014. Guest speaker.

Professional Affiliations and Memberships:

American Medical Writers Association, American College of Sports Medicine, American Physiological Society, American Heart Association Council on Lifestyle and Cardiovascular Health, Medicine of Cycling

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