Addie O'Brien
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 27.84 | A+0.45s to AA | 2026-03-07 | 2026 Michigan YMCA State Championship fast pool |
| 100 Freestyle | SCY | 58.98 | AA+1.99s to AAA | 2026-03-08 | 2026 Michigan YMCA State Championship fast pool |
| 200 Freestyle | SCY | 2:10.83 | A+1.24s to AA | 2026-03-07 | 2026 Michigan YMCA State Championship fast pool |
| 500 Freestyle | SCY | 6:03.85 | BB+3.36s to A | 2025-12-13 | 2025 Holiday Cup venue |
| 50 Backstroke | SCY | 33.15 | BB+1.26s to A | 2025-12-14 | 2025 Holiday Cup venue |
| 100 Backstroke | SCY | 1:09.16 | BB+1.17s to A | 2026-03-07 | 2026 Michigan YMCA State Championship fast pool |
| 200 Backstroke | SCY | 2:28.54 | BB+1.95s to A | 2026-01-18 | MLA 2026 Big Lake Invite fast pool |
| 50 Breaststroke | SCY | 39.64 | BB+2.65s to A | 2024-12-30 | 11th Annual Wildcat Winter Open Invite venue |
| 100 Breaststroke | SCY | 1:16.48 | A+1.79s to AA | 2026-01-18 | MLA 2026 Big Lake Invite fast pool |
| 200 Breaststroke | SCY | 2:55.50 | BB+7.51s to A | 2026-01-17 | MLA 2026 Big Lake Invite fast pool |
| 50 Butterfly | SCY | 33.72 | BB+2.23s to A | 2024-12-30 | 11th Annual Wildcat Winter Open Invite venue |
| 100 Butterfly | SCY | 1:16.30 | B+3.01s to BB | 2025-10-18 | 2025 WMS Boo Bash venue |
| 100 Individual Medley | SCY | 1:09.02 | 2026-01-18 | MLA 2026 Big Lake Invite fast pool | |
| 200 Individual Medley | SCY | 2:29.86 | A+4.77s to AA | 2026-03-08 | 2026 Michigan YMCA State Championship fast pool |
| 100 Backstroke | LCM | 1:33.23 | +0.64s to B | 2024-07-14 | 2024 West Michigan Classic venue |
| 50 Butterfly | LCM | 47.37 | +6.18s to B | 2024-07-14 | 2024 West Michigan Classic venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.
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 | 27.82 | flat | 200 Free Relay | 2026-03-07 | 2026 Michigan YMCA State Championship |
| 50 Freestyle | SCY | 30.38 | flying | 200 Free Relay (leg 3) | 2024-11-17 | 2024 TYR Thanksgiving Classic |
| 50 Backstroke | SCY | 31.90 | flat | 200 Medley Relay | 2026-03-08 | 2026 Michigan YMCA State Championship |
Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.
IMX / IMR
IMX 13-14 · SCY
2383 points (4/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 6:03.85 | 613 |
| 200 BK SCY | 2:28.54 | 592 |
| 200 BR SCY | 2:55.50 | 544 |
| 200 IM SCY | 2:29.86 | 634 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 13-14 · SCY
2984 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:10.83 | 684 |
| 100 BK SCY | 1:09.16 | 580 |
| 100 BR SCY | 1:16.48 | 657 |
| 100 FL SCY | 1:16.30 | 429 |
| 200 IM SCY | 2:29.86 | 634 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 58.98
Front half 28.50s · back half 30.48s
200 Freestyle SCY 2:10.83
Front half 62.10s · back half 68.73s
500 Freestyle SCY 6:03.85
Front half 178.00s · back half 185.85s
100 Backstroke SCY 1:09.16
Front half 33.47s · back half 35.69s
200 Backstroke SCY 2:28.54
Front half 71.71s · back half 76.83s
100 Breaststroke SCY 1:16.48
Front half 35.58s · back half 40.90s
100 Butterfly SCY 1:16.30
Front half 33.87s · back half 42.43s
100 Individual Medley SCY 1:09.02
Front half 31.83s · back half 37.19s
200 Individual Medley SCY 2:29.86
Front half 69.92s · back half 79.94s
100 Backstroke LCM 1:33.23
Front half 43.52s · back half 49.71s
Progression
Faster times are higher. One card per event, all courses & history.