"Stryd: The Ultimate Running Power Meter" Take the guesswork out of your training with the world’s most advanced wearable for runners. Stryd clips to your shoe to provide a real-time 'Power' metric that accounts for hills, wind, and fatigue. Whether you're training for your first 5K or a sub-3-hour marathon, Stryd delivers the precision pace and distance data you need to run smarter, recover faster, and race to your full potential."