Precision Run: El Cuatro 

Variis is unlocking select runs to keep you active all season long, no matter where you are.

First up, El Cuatro, a 45-minute treadmill workout with Coach Chelsea Aguiar. Each interval is broken down into four evenly-timed sections (hence the name) that get faster as you go. Keep an eye out for more streaming Precision Runs popping up in the Daily Check-In all month long.