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Chicago Marathon Week: Your Best Race May Come Down to Your Breathing
This Sunday, October 11, roughly 55,000 runners will take over Grant Park for the 48th Chicago Marathon — and with a ...
$0.79 Per Second vs $0.10 Per Second: Why GO² Beats Carbon-Plated Shoes on Value
Every endurance athlete knows the trade-off: speed costs money. But how much speed you get for that money matters — s...
How to Wear, Fit, and Care for Your GO² Endurance Device
Small Device, Big Job
The GO² Device for Endurance is a deceptively simple piece of patented technology: it sits comf...
From Mountain Peaks to the IRONMAN Finish Line: Athletes Who Trust GO²
Training plans differ. Race days differ. But every endurance athlete fights the same battle: getting enough oxygen to...
Why VO₂ Max Is the Number Endurance Athletes Obsess Over
Ask any elite endurance coach which single number matters most, and you'll hear the same answer: VO₂ max — the maximu...
How Patented GO² Breathing Technology Adds 6% to Your Endurance
The One Thing Most Athletes Never Train: Their Breath
You periodize your miles. You dial in your nutrition. You obse...