
Adam Levine is ditching casual strolls for intense functional training by hauling a heavy 45lb kettlebell through rugged Los Angeles trails. This grueling rucking workout is his secret to maintaining peak performance and elite stamina at age 47.

Adam Levine is ditching casual strolls for intense functional training by hauling a heavy 45lb kettlebell through rugged Los Angeles trails. This grueling rucking workout is his secret to maintaining peak performance and elite stamina at age 47.