Five Thoughts From the PTO/T100/World Triathlon x Challenge Mega-Merger

February 11, 2026

There are, based on a cursory look at the calendar, two Challenge races and the T100 event in Vancouver that will fall under the Triathlon World Tour in 2027. Otherwise, IRONMAN’s supremacy in the North American marketplace will remain relatively unchallenged.

This shouldn’t be much of a surprise to anybody. Challenge’s last two attempts at breaking into the United States didn’t exactly land well. Challenge Atlantic City, after two years, wound up becoming IRONMAN 70.3 Atlantic City and having a successful run under the 70.3 branding. SLOWTWITCH