J.J. Rivas
Also swam for Unattached (2025–26). Best times below include every one of them.
16 events44 swims15 meetsLast raced May 6, 2026
Where J.J. ranks
Current best: each age group's best time, against the swimmers in it now.
100 Free SCY48.94
FastestField
Boys 17-18 · best in age group · set May 2026Tap a row for the list
College OutlookWhat freshmen at the top 25 D1 programs swam as high school seniorsShow
50 Freestylevs 63 top-25 D1 men
J.J. is 0.85 from the middle half of what these freshmen swam as seniors.
The middle half ran 20.16–21.48, median 20.79.
20.1621.4822.33
← FasterBand: middle half of freshmenSlower →
PLUSSchool by school
See how J.J.'s 50 Free compares at 5 top programs.
See every school, and how all 8 of J.J.'s events compare. PBs update as new results come in.
Which schools J.J. is in range at is part of Plus.
Arizona State
North Carolina
Pittsburgh
Princeton
SMU
How the other events compare is part of Plus.
100 Freestyle48.94
200 Freestyle1:51.67
500 Freestyle5:39.94
100 Backstroke1:06.79
100 Breaststroke1:15.29
100 Butterfly54.98
200 IM2:16.52
Best times from the senior season (Sept 1 to Aug 31) of 67 U.S. men who joined the top 25 teams at the 2026 NCAA Division I Championships as freshmen in fall 2026, from official meet results. A school shows only with at least 5 freshmen in an event. A guide, not a guarantee.
Sectionals for J.J.'s LSC: CA/NV Speedo Sectionals — the cuts, who has them, and how close J.J. is.
Open J.J.'s full profile in the app
Race-day alerts, every cut, every PB drop, and the full meet plan — on iPhone and Android.
Explore
USA Swimming time standards — 17-18 Boys
See how J.J.'s times rank nationally: 50 Free (LCM)100 Free50 Free100 Free (LCM)200 Free200 Free (LCM)
Other Rancho San Dieguito swimmers around J.J.'s age: Barbie ShoemakerAya FergusonScarlett ZhangWyatt StrattonAnita Qian