Simons broke a trio of Jacob Pebley’s Oregon Open records in Austin, including clocking 1:40.98 in the 200 back to become the 4th-fastest 17-year-old ever.
With the swim of 15:34.74, Grimes is now #2 all-time in the 15-16 age group, and the #2 all-time 15-year-old, sitting behind only Katie Ledecky in both cases
