Pair HRV With Old-School Tools to Train Smarter, Not Harder
Monitoring heart rate variability can help avoid overtraining—and it works best when combined with more traditional tools.
Monitoring heart rate variability can help avoid overtraining—and it works best when combined with more traditional tools.
Log a 5K PR of under 30, 25, or 20 minutes by following our 5K PR training plan. Get the pacing guide and training schedule.
A thank you letter to our beautifully simple, often painful, but always rewarding sport
A-TPU is set to unseat PEBA as the foam of choice for top-end racing super shoes.
The Athletics Integrity Unit announced on July 17 that the 30-year-old Kenyan tested positive for a banned substance on March 14, 2025, five months after setting the women’s marathon world record.
Enjoy tastes like Sunny-D, Hawaiian Fruit Punch, and Kool Aid this summer—just without the corn syrup, and with the electrolytes you need to run your best.
Ready to run your fastest 13.1 ever? The data says that these U.S. courses are made for breaking records.
Whether your style is fun and flirty or little black dress, there’s a fashionable (and functional) running watch for you.
The UTMB World Series returns to the Bernese Alps of Switzerland on July 16-20.
Turns out, it’s not just you who’s stressed on race day.