swimJax Groberg
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 31.61 | 2026-05-16 | 2026 PN TOSC-OST-PAC May Meet- Approved venue | |
| 100 Freestyle | SCY | 1:09.88 | 2026-04-18 | 2026 PN UPAC Mark Olson Classic- Approved venue | |
| 500 Freestyle | SCY | 7:01.32 | 2026-02-07 | 2026 PN IST Feb Winter Invitational-Approved venue | |
| 50 Backstroke | SCY | 38.55 | 2025-12-07 | 2025 PN Fall Divisionals, Division 1 - OCA venue | |
| 100 Backstroke | SCY | 1:22.36 | 2026-04-18 | 2026 PN UPAC Mark Olson Classic- Approved venue | |
| 200 Backstroke | SCY | 2:11.39 | 2026-05-16 | 2026 PN TOSC-OST-PAC May Meet- Approved venue | |
| 50 Breaststroke | SCY | 48.19 | 2025-10-19 | 2025 PN VAST Fall Classic venue | |
| 200 Breaststroke | SCY | 3:26.80 | 2026-02-08 | 2026 PN IST Feb Winter Invitational-Approved venue | |
| 50 Butterfly | SCY | 36.82 | 2026-04-18 | 2026 PN UPAC Mark Olson Classic- Approved venue | |
| 100 Butterfly | SCY | 1:40.08 | 2025-10-19 | 2025 PN VAST Fall Classic venue | |
| 100 Individual Medley | SCY | 1:52.12 | 2024-04-27 | 2024 PN TOSC-PAC Dual Meet venue | |
| 200 Individual Medley | SCY | 2:47.21 | 2026-05-16 | 2026 PN TOSC-OST-PAC May Meet- Approved venue | |
| 400 Individual Medley | SCY | 6:23.50 | 2026-02-08 | 2026 PN IST Feb Winter Invitational-Approved venue | |
| 50 Freestyle | LCM | 39.30 | 2025-05-31 | 2025 PN VAST Summer Sprints and Distance Chal venue | |
| 100 Freestyle | LCM | 1:29.93 | 2025-05-31 | 2025 PN VAST Summer Sprints and Distance Chal venue | |
| 200 Freestyle | LCM | 3:11.48 | 2025-06-15 | 2025 IST June Invtational venue | |
| 50 Backstroke | LCM | 58.20 | 2024-07-13 | 2024 Sizzlin' Summer Splash slow pool | |
| 100 Backstroke | LCM | 1:44.40 | 2025-06-15 | 2025 IST June Invtational venue | |
| 50 Breaststroke | LCM | 1:08.37 | 2024-06-16 | 2024 PN UPAC Cannonball Classic venue | |
| 100 Breaststroke | LCM | 2:22.77 | 2024-06-15 | 2024 PN UPAC Cannonball Classic venue | |
| 50 Butterfly | LCM | 1:08.32 | 2024-07-14 | 2024 Sizzlin' Summer Splash slow pool | |
| 200 Individual Medley | LCM | 4:18.18 | 2024-07-12 | 2024 Sizzlin' Summer Splash slow pool |
Pool tags are a venue speed heuristic (median deviation of all swims there vs each swimmer's typical time) — see the venue page for the method.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 39.16 | flying | 200 Free Relay (leg 2) | 2025-03-01 | TOSC/Poseidon/Ohana March 2025 |
| 50 Freestyle | LCM | 1:30.91 | flying | 200 Free Relay (leg 2) | 2024-07-14 | 2024 Sizzlin' Summer Splash |
Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.
PR splits
500 Freestyle SCY 7:01.32
Front half 209.38s · back half 211.94s
100 Backstroke SCY 1:22.36
Front half 40.77s · back half 41.59s
200 Backstroke SCY 2:11.39 · 1.0 min after 200 Freestyle
Front half 60.89s · back half 70.50s
200 Breaststroke SCY 3:26.80
Front half 100.76s · back half 106.04s
100 Butterfly SCY 1:40.08 RT 0.68s
Front half 46.28s · back half 53.80s
100 Individual Medley SCY 1:52.12
Front half 54.20s · back half 57.92s
200 Individual Medley SCY 2:47.21 · 8.0 min after 200 Backstroke
400 Individual Medley SCY 6:23.50 RT 0.70s
Front half 190.26s · back half 193.24s
200 Freestyle LCM 3:11.48 RT 0.81s
Front half 93.55s · back half 97.93s
200 Individual Medley LCM 4:18.18
Front half 129.19s · back half 128.99s
Reaction time
From electronically-timed starts only (~2% of corpus swims carry a reaction time). PRs with a recorded reaction show an RT chip in the splits section above.
Progression
Faster times are higher. One card per event, all courses & history.