WIlliam Carter on Instagram: "Mikko’s Triangle a classic CrossFit workout built for true cardio freaks. What makes this one great is how simple it is, yet how challenging it becomes. There are different levels to this workout. @mikkosalo63 was known for his elite engine, holding 20 calories for all 10 rounds. As I explain in the video, I held 18 calories, and I was absolutely at my limit but I completed all 10 rounds, which I’m proud of. I’ll keep chasing that elite level of cardio. Will I get t