The workout kicked off with a blur of burpees and squat jumps. Within five minutes, the windows were fogging up. Sarah felt that familiar burn in her quads, a dull ache that usually signaled it was time to slow down. But GRIT 21 didn't have a 'slow' setting.
The strobe lights in the studio didn't just flicker; they pulsed in sync with the heavy, industrial bass vibrating through the floorboards. In the center of the room stood Sarah, her knuckles white as she gripped a 10kg weight plate. This was . LesMills GRIT 21
Sarah dug in. Her vision narrowed until there was nothing but the rhythm of her breath and the floor beneath her feet. She pushed through the final set of tuck jumps, soaring higher than she thought possible. The workout kicked off with a blur of