Rex Maurer and Aaron Shackell Move Up in 17-18 All-Time Rankings for Boys 400 Free

2023 U.S. NATIONAL CHAMPIONSHIPS

• June 27 – July 1, 2023
• Indianapolis, IN
• Indiana University Natatorium
• LCM (50m)
• Meet Central
• Psych Sheet (updated version, 6/26)
• Live Results
• SwimSwam Preview Index
• How To Watch
• Day 1 Prelims Live Recap | Day 1 Finals Live Recap
• Day 2 Prelims Live Recap | Day 2 Finals Live Recap
• Day 3 Prelims Live Recap | Day 3 Finals Live Recap
• Day 4 Prelims Live Recap

Day 4 Prelims Heat Sheet

Both Rex Maurer and Aaron Shackell moved up the all-time 17-18 age group rankings with their swims for prelims in the men’s 400 freestyle Friday morning in Indianapolis.

Maurer moved up from 10th to eighth all-time, jumping past Dan Jorgenson and Trey Freeman. Shackell moved up from 42nd all time to now be #10.

All-Time Top 10 17-18 Boys LCM 400 Free

1. Larsen Jensen 3:46.08, 2004
2. Michael Phelps 3:46.73, 2003
3. Klete Keller 3:47.09, 2000
4. True Sweetser 3:47.94, 2016
5. Andrew Abruzzo 3:48.58, 2018
6. Townley Haas 3:48.69, 2015
7. Grant Shoults 3:48.91, 2015
8. Rex Maurer 3:48.97, 2023
9. Trey Freeman 3:49.02, 2018
10. Aaron Shackell 3:49.19, 2023

Maurer previously had a best time of 3:49.86 which he swam at last summer’s Junior Pan Pacs. Maurer swam a time of 3:48.97 this morning. He will be the third seed heading into tonight’s ‘A’ final, where he has a chance to make Worlds. Maurer was recently ranked the #1 recruit in the class of 2023. He is headed to Stanford this fall.

Shackell improved upon his previous best time of a 3:52.42 which he swam earlier this year in March at Spring Sectionals in this pool. He swam a 3:49.19 this morning, and will be next to Maurer tonight in the ‘A’ final. He also will have a shot at making Worlds.