Karl Etzel's Newsletter
Topics on my mind across many domains.
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Details on my training and completion of this iconic California bike ride in Markleeville
Epic roads, CLM's, TeenTrainer, Strava API, Bike upgrades
Leadville record, pre-workout, creatine, heat training, bike saddles, Antarctica
My experience setting up and testing with a novel breathrate sensor
Foot injury, Whoop v. FDA, Protein quality, AI Psychosis, REDs & LEA
Death Ride, Hematocrit, Greenland, Energy Demands of Ironman
Food satiety, vector stores, heat training, TeenTrainer progress, clock wars
Lactate testing, coffee bioactives, creatine sources, obesity meds
Work update, trail running adventures, running tech & injuries
Isotopes for body comp, colostrum & immunity, AI & RAG, historical sites, shoe rotation
GLP-1s and food, Classic season, Creatine + NO + Caffeine
