Race Video: Miriam Sheehan, 10, Smashes Regan Smith’s 10-&-Under National Age Group Record in 100 Back
Miriam Sheehan, 10, of the Phoenix Swim Club smashed the previous 10&U 100-yard backstroke National Age Group record of 59.89 held by Regan Smith since 2013 with a 57.96 at the








