Interval training is great for boosting cardiovascular endurance and promoting overall fitness. Our fitness expert, Judd NeSmith, NASM-CPT, PES and founder of Serious Fitness, explains interval ...

Good news: starting your running journey doesn't have to require diving in head-first and sprinting for 30 minutes straight.

Interval training can be effective in building both aerobic and anaerobic capacity. Interval training is an advanced training technique which helps athletes optimize the effectiveness of their ...

Good news: starting your running journey doesn't have to require diving in head-first and sprinting for 30 minutes straight. If you’ve never been much of a runner (or you’re starting to get back into ...

BestReviews is reader-supported and may earn an affiliate commission. Details. This is an archived article and the information in the article may be outdated. Please look at the time stamp on the ...

Sprint interval training, or SIT, is super trendy right now. It’s a great way to improve your running speed and to get in a hard interval workout, and I’ll explain exactly how. But I also need to ...

If you’re looking for a way to boost your athletic performance, calorie burn, and fitness level, you may want to consider sprint interval training (SIT). Similar to high intensity interval training ...

Alex Hutchinson is a National Magazine Award-winning journalist and Outside’s Sweat Science columnist, covering the latest research on endurance and outdoor sports. For years now, I’ve had a default ...