In an Ironman 112-mile time trial, the effort is maintained relatively constantly, without sprinting, to prepare for the subsequent marathon.

“even in that system let's go back and talk about two athletes if there are two athletes that have the same V2 Max does power at V2 Max give you another layer of insight so if let's just say Christian and Gustaf each have a V2 Max of 80 milliliters per minute per kilogram but one of them is doing that at 450 watts and one of them is doing it at 425 watts does that give you a new piece of information or is it still limited because that's really only speaking to a four-minute five minute effort”