Minutes of Running Beat Hours of Walking for Blood Sugar Control
If you've ever wondered whether a short, hard run is "worth it" compared to a longer easy walk, new research has a clear answer — at least when it comes to cardiovascular and metabolic health.
Research published in 2025 shows that short bursts of intense running can improve cardiovascular health, regulate blood sugar, and reduce body fat more effectively than longer steady-state exercise. Just a few short sprints per session can deliver major fitness gains.
The findings are part of a growing body of research into high-intensity interval training (HIIT) and sprint interval training (SIT), which suggest that short bursts of hard effort produce outsized health benefits — particularly for blood sugar regulation, which is a key factor in preventing Type 2 diabetes.
This doesn't mean you should ditch your easy miles — base building and aerobic conditioning remain essential for race performance. But it does mean that on days you're short on time, a few hard 30-second efforts sandwiched into a 20-minute run can do more good than you might think.