In a stunning display of aquatic prowess, 16-year-old Luka Mijatovic shattered his own 15-16 National Age Group (NAG) record in the 500-yard freestyle, clocking an astonishing 4:10.38 at the Pleasanton Seahawks SC Senior Meet in 2025. But this wasn't his only feat!
The Young Star's Dominance:
Mijatovic, a Texas commit, didn't just break records; he dominated the competition. In the meet, he not only reset the 500 free record but also smashed the 15-16 NAG in the 1000 free with an incredible 8:37.01, making it the 5th fastest performance in history! He continued his winning streak by taking the 200 IM in 1:44.28 and the 200 free in 1:33.74, just shy of his personal best.
A Record-Breaking Trend:
This wasn't Mijatovic's first rodeo with records. He broke his 19th career NAG and his second of the weekend. His strategy in the 500 free was evident from the start, as he led by 0.51 seconds in the first 50 yards and maintained a consistent lead, extending it to 1.78 seconds by the 300-yard mark. But here's where it gets fascinating: despite a slight fade in the final 200 yards, he still managed to break his previous record by 0.58 seconds.
A Look at the Splits:
Let's dive into the details of his record-breaking swim:
| Distance | New Record Split | Former Record Split |
| --- | --- | --- |
| 50-yards | 22.45 | 22.96 |
| 100-yards | 24.75 (47.20) | 25.02 (47.98) |
| 150-yards | 25.30 (1:12.50) | 25.57 (1:13.55) |
| ... | ... | ... |
| 500-yards | 24.62 (4:10.38) | 24.11 (4:10.96) |
Mijatovic's talent isn't limited to these events. He also holds the 15-16 NAG in the 1650 free and ranks highly in the 400 IM and 200 free for his age group.
A Breakout Summer:
The 2025 Pleasanton meet was a continuation of Mijatovic's stellar performances. At the U.S. Nationals in June 2025, he made his mark in the 200 free prelims with a time of 1:45.92, breaking the 15-16 NAG and even dipping under Michael Phelps' 17-18 NAG from 2003. He followed this up with a 4th-place ranking in the 400 IM heats and a new personal best.
World Championship Trials:
The young swimmer's success didn't stop there. On day four of the Nationals, he broke his 15-16 NAG record in the 400 free prelims and then re-broke it in the final, securing a spot on the World Championship team. And at the 2025 World Championships, despite facing health challenges, he still managed to make his mark.
Controversy and Comment:
Mijatovic's achievements spark a debate: is he the next big thing in swimming, or was this a flash in the pan? His ability to break records and perform under pressure is undeniable, but can he maintain this level? Share your thoughts below!