Sean Green Posts 3:47.07 400 Free To Win Summer Jrs, Would Have Been 4th At 2025 US Nationals

2025 U.S. Junior National Championships

• Wednesday, July 30–Sunday, August 3, 2025
• Irvine, California
• William Woollett Jr. Aquatics Center
• LCM (50 meters)
• Meet Central
• Psych Sheets
• Live Results
• Live Recaps
  • Prelims: Day 1 | Day 2 | Day 3
  • Finals: Day 1 | Day 2 | Day 3

Friday Finals Heat Sheet

Boys’ 400 Freestyle — Final

• World Junior Record: 3:44.31 — Petar Mitsin, Bulgaria (2023)
• Meet Record: 3:47.00 — Aaron Shackell (2023)
• 13-14 NAG Record:4:07.15 – Sippy Woodhead, Unknown/Unknown (1978)
• 15-16 NAG Record: 3:59.82 – Katie Ledecky, PV/UN (2013)
• 17-18 NAG Record: 3:46.01 – Ryan Erisman, FL/LAKR (2025)

Top 8 Finishers:

1. Sean Green (Long Island Aquatic Club) — 3:47.07
2. Aiden Hammer (King Aquatic Club) — 3:49.56
3. Trent Allen (Carmel Swim Club) — 3:52.93
4. Jonny Hines (Fishers Area Swimming Tigers) — 3:53.11
5. Ellis Crisci (Tsunami Swim Team) — 3:54.02
6. Andrew Maksymow (Irvine Novaquatics) — 3:56.64
7. Tim Wu (Pleasanton Seahawks) — 3:56.82
8. Bucky Gettys (Aggie Swim Club) — 3:57.28

Sean Green of Long Island Aquatic Club moved up the all-time national age group (NAG) rankings with a 3:47.07 in the 17-18 age group posting a 3:47.07 to win the 400 freestyle on night three in Irvine at Summer Juniors.

The swim marked a personal best by over three seconds as he entered the meet with a 3:50.55 that he swam at US Olympic Trials last summer to finish 11th. Green did not swim at 2025 US Summer Nationals in June but his time from tonight would have been 4th overall, just behind Ryan Erisman who swam to a NAG record 3:46.01.

All-Time 17-18 Rankings, Boys LCM 400 Freestyle

1. Ryan Erisman, 3:46.01, 2025
2. Larsen Jensen, 3:46.08, 2004
3. Luke Whitlock, 3:46.42, 2024
4. Michael Phelps, 3:46.73, 2003
5. Klete Keller, 3:47.00, 2000
6. Aaron Shackell, 3:47.00, 2023
7. Sean Green, 3:47.07, 2025
8. Rex Maurer, 3:47.63, 2023

Green has been on a roll this week in Irvine. On night one, he dropped 17 seconds in the 1500 freestyle to break the meet record by nine seconds. His time in the 1500 free would have been 5th at 2025 US Summer Nationals. Last night, he swam to a personal best in the 400 IM earning the win.