It may be the key to happiness and sustainable performance
New research finds that performance varies drastically based on the time of day
As ultra-endurance athlete and self-improvement guru Rich Roll says, "Mood follows action." In other words: Don't think. Do.
The most important rules to grow your body and mind
Science is a slow-moving process. Don't fixate on bright-shiny objects at the expense of a few fundamental truths.
Follow the lead of elite athletes and use the science of motivation to perform at your best
Whether you're trying to qualify for Boston or just see improvement, these principles will get you there
Ignore the urge to post a heroic effort and focus instead on the daily grind of steady improvement
It's tough to maintain performance and well-being all the time. When the going gets tough, following these tips can help.
Nine life lessons from the ultra-endurance athlete and self-improvement guru