By Terin Frodyma on SwimSwam
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Fort Collins Area Swim Team’s Brennen O’Neil has committed to Arizona State University for the fall of 2026.
O’Neil was featured in the “Best of the Rest Section” in SwimSwam’s ranking of the top 20 recruits in the boys’ class of 2026.
I’m proud to announce my commitment to ASU Swim & Dive. I’m very grateful for this opportunity. I’d like to thank my parents, the ASU Coaching Staff, and FAST for teaching me world class character through excellence in swimming. Most of all, I would like to thank God for leading me here. Forks up ASU
O’Niel hails from Windsor, Colo., and represents Fossil Ridge High School. As a junior, O’Neil won the 200 IM for the 2nd time at the CHSAA Boys 5A State Championship meet this past May; he clocked 1:49.60 to take the win (altitude adjusted to 1:48.40). The year earlier, he won the event in a best time of 1:49.13 (altitude adjusted to 1:47.93).
At the 2024 Speedo Winter Juniors Championships – West, O’Neil swam his fastest ever 400 IM, clocking 3:51.83, finishing 11th overall. He also placed 18th in he 200 IM in 1:48.05, his fastest ever swim not adjusted for altitude.
A year earlier at the same meet, O’Neil notched two distance freestyle best times: the 1000 free in 9:27.52 and the 1650 free in 15:37.23.
O’Neil also holds a noteworthy best time in the 200 backstroke from the Speedo Sectionals in Rochester this past March, 1:46.07. He also holds bests of 1:39.50 in the 200 free and 4:34.76 in the 500 free, both adjusted for altitude.
Best Times SCY (PB Non-Altitude Adjusted)
- 200 IM: 1:47.93* (1:48.05)
- 400 IM: 3:51.83
- 200 Free: 1:39.50* (1:40.70)
- 500 Free: 4:34.76* (4:36.24)
- 1000 Free: 9:27.52
- 1650 Free: 15:37.23
- 200 Back: 1:46.07
*Altitude-adjusted
The Arizona State men won the team title at the 2025 Big 12 Swimming and Diving Championships last season. They also finished 6th at the NCAA Swimming and Diving Championships.
Based on O’Neil’s best times, he would have qualified for the ‘B’ final in the 400 IM and 200 back, and the ‘C’ final in the 200 IM.
O’Neil is super dynamic; he holds respectable additional best times in plenty of other events, including the 200 breast (2:01.34) and the 100 back (49.78).
While he ranks well among IMers, he also holds his own against distance freestylers. His scoring potential within the IM events will likely be his draw away from the distance free events.
O’Neil joins Ethan Linville, Oliver Munn, Jake Lloyd, Tyler Porter, Ian Disosway, Dillon Albertyn, Onur Oksuz, London Rising, Caleb Kattu, Jack Culberson, and Henry Lyness in the Sun Devils’ 2026 recruiting class.
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Read the full story on SwimSwam: “Best of the Rest” IMer Brennen O’Neil Commits to Arizona State for 2026
