This easy test can help you get a gauge on your VO2 max—without a watch. Every day as I peruse through the mountain of ...

Tracking fitness data is key for assessing your health, designing the right training program for your goals, and gauging your progress throughout your training routine. When it comes to measuring ...

All products featured on GQ are independently selected by GQ editors. However, when you buy something through our retail links, Condé Nast may earn an affiliate commission. V02 max—the measure of how ...

The burn. The Bane mask. The bleak possibility of being waterboarded by vomit. Whether you’ve wheezed through one first-hand, or cocked a cautious eyebrow from afar, more and more men are learning of ...

V02 max—the measure of how efficiently your body utilizes oxygen during exercise—is widely considered to be the definitive indicator of cardiovascular fitness. However, this powerful metric remains ...