Sweatr blog

The science behind performing on race day

Guides, deep-dives, and practical advice for runners, cyclists, and triathletes who want to get their fueling right.

All Hydration Science Fueling Strategy Wearable Data Race Prep

Are Garmin calorie estimates accurate — and does it matter for fueling?

Your Garmin says you burned 2,400 calories on your long run. The real number is probably different. Here's what the research says, and how to use your data more intelligently.

8 March 20264 min