Join 18,238 Runners Using Science to Run Your Fastest Marathon
Each week, I share FREE tips to help you train smarter, fuel better, and race faster. Science-Backed.
1,000’s+ hours of research distilled into 4-minute guides.
Train smarter: workouts + long runs that actually move marathon fitness
Fuel better: carbs, caffeine, and pacing mistakes that cost minutes
Lift with purpose: strength that carries over to running (not gym busywork)
Make confident choices: shoes, recovery, and "should I do X?" backed by evidence
Written by Jonah Rosner, former NFL sport scientist translating elite methods for everyday runners.