Madison set two more world records at the Florida national championships: 1:00.4 in the 100-yard freestyle and 2:35 in the 220-yard freestyle.
On March 13, 1930, Helene Madison capped off an extraordinary national championship debut by setting two additional world records in a single day: 1:00.4 in the 100-yard freestyle and 2:35 in the 220-yard freestyle, both at the U.S. Women's National Swimming Championships in Florida.
This performance—her fourth and fifth world records within just one week—was a stunning demonstration of dominance rarely matched in the history of competitive swimming. Setting records in both a sprint distance (100 yards) and a middle distance (220 yards) on the same day highlighted her exceptional versatility and conditioning, qualities that coach Ray Daughters had carefully cultivated through rigorous training methods back in Seattle.
By the conclusion of the 1930 championships, Madison had won every freestyle event she entered and set multiple world records, effectively announcing her arrival as the premier female freestyle swimmer on the planet. Contemporary press coverage marveled at the breadth of her achievement, with reports suggesting she was on pace to hold nearly every freestyle world record by the following year.
These records were part of the foundation for what became known as her sixteen-month streak of breaking all sixteen officially recognized world freestyle records, a feat that remains one of the most dominant individual streaks in swimming history and helped pave her path to Olympic glory in 1932.