No, it's just pointing out the colloquialism. "IRONMAN" and "IRONMAN 70.3" are the official names, even though "full" and "half" are how they're commonly refer

No, it's just pointing out the colloquialism. "IRONMAN" and "IRONMAN 70.3" are the official names, even though "full" and "half" are how they're commonly referenced. "so-called" isn't diminutive or derogatory