Triathamom is a women-only summer triathlon from USTriSports built around approachable distances: a 300-meter swim, a 12-mile bike ride, and a 5k run. The organizers call it fully supported and non-competitive, but it still includes chip timing and body marking so first-timers get the normal triathlon routine without the sharp elbows.
The race is aimed at women who have wondered whether they can finish a triathlon, especially friends signing up together. Support is part of the setup, with questions answered helpfully, family entertainment for people cheering, and an event culture built around removing intimidation rather than chasing podiums.