Pavlína Černá

Articles by Pavlína Černá

I Couldn’t Stay in Zone 2 on My Easy Runs. Then I Took a VO2 Max Test That Finally Explained Why. - Runner's World

Technology August 3, 2026

Although the treadmill is only moving at 4.4 miles per hour, I feel like I cannot possibly go on. The grade just rose to 16.3, and my legs, though barely shuffling, are moving with great difficulty. �...