swimBrielle Cox
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 12.97 | 2024-12-27 | 2024 CO ACES Sprint Eliminator venue | |
| 50 Freestyle | SCY | 25.37 | AA+0.28s to AAA | 2026-02-14 | 2026 CO ACES Winter Open fast pool |
| 100 Freestyle | SCY | 54.87 | AA+0.38s to AAA | 2026-03-12 | 2026 NW Spring Speedo Sectionals - Boise venue |
| 200 Freestyle | SCY | 2:03.72 | A+1.03s to AA | 2026-03-13 | 2026 NW Spring Speedo Sectionals - Boise venue |
| 500 Freestyle | SCY | 6:01.21 | BB+16.12s to A | 2026-01-25 | 2026 CO FAST Winter Open venue |
| 100 Backstroke | SCY | 1:14.41 | B+4.82s to BB | 2025-12-21 | 2025 CO Falfins Holiday Open fast pool |
| 200 Backstroke | SCY | 2:45.41 | +2.92s to B | 2026-01-24 | 2026 CO FAST Winter Open venue |
| 100 Breaststroke | SCY | 1:30.64 | +4.05s to B | 2025-02-15 | 2025 CO Aces Winter Open venue |
| 200 Breaststroke | SCY | 3:15.32 | +7.83s to B | 2025-02-16 | 2025 CO Aces Winter Open venue |
| 25 Butterfly | SCY | 13.97 | 2024-12-27 | 2024 CO ACES Sprint Eliminator venue | |
| 50 Butterfly | SCY | 27.36 | AAA+1.07s to AAAA | 2026-03-14 | 2026 NW Spring Speedo Time Trials- Boise venue |
| 100 Butterfly | SCY | 1:01.07 | AA+2.28s to AAA | 2026-03-14 | 2026 NW Spring Speedo Sectionals - Boise venue |
| 200 Butterfly | SCY | 2:25.07 | BB+2.48s to A | 2026-03-12 | 2026 NW Spring Speedo Sectionals - Boise venue |
| 200 Individual Medley | SCY | 2:25.45 | BB+2.06s to A | 2026-03-15 | 2026 NW Spring Speedo Sectionals - Boise venue |
| 50 Freestyle | LCM | 29.76 | AA+1.17s to AAA | 2026-04-26 | 2026 CO Arena Catch Me If You Can venue |
| 100 Freestyle | LCM | 1:04.82 | A+0.33s to AA | 2026-04-25 | 2026 CO Arena Catch Me If You Can venue |
| 200 Freestyle | LCM | 2:25.74 | BB+0.45s to A | 2026-04-26 | 2026 CO Arena Catch Me If You Can venue |
| 400 Freestyle | LCM | 5:16.80 | BB+9.11s to A | 2026-06-26 | 2026 CO Zone 2 District Meet--DU venue |
| 100 Backstroke | LCM | 1:23.56 | B+2.37s to BB | 2026-06-26 | 2026 CO Zone 2 District Meet--DU venue |
| 200 Backstroke | LCM | 2:59.15 | B+4.66s to BB | 2026-05-03 | 2026 CO Longmont IMR/IMX Adrenaline Gauntlet venue |
| 200 Breaststroke | LCM | 3:22.40 | B+4.81s to BB | 2026-05-03 | 2026 CO Longmont IMR/IMX Adrenaline Gauntlet venue |
| 50 Butterfly | LCM | 31.45 | AA+0.66s to AAA | 2026-04-25 | 2026 CO Arena Catch Me If You Can venue |
| 100 Butterfly | LCM | 1:11.26 | A+1.97s to AA | 2026-04-26 | 2026 CO Arena Catch Me If You Can venue |
| 200 Butterfly | LCM | 2:45.83 | BB+4.54s to A | 2026-04-25 | 2026 CO Arena Catch Me If You Can venue |
| 200 Individual Medley | LCM | 2:50.47 | BB+6.08s to A | 2026-05-02 | 2026 CO Longmont IMR/IMX Adrenaline Gauntlet venue |
| 400 Individual Medley | LCM | 6:10.13 | BB+20.44s to A | 2026-05-03 | 2026 CO Longmont IMR/IMX Adrenaline Gauntlet venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.
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 | 25.23 | flying | 200 Free Relay (leg 4) | 2026-03-12 | 2026 NW Spring Speedo Sectionals - Boise |
| 50 Freestyle | SCY | 26.21 | flying | 200 Medley Relay (leg 4) | 2026-01-25 | 2026 CO FAST Winter Open |
| 100 Freestyle | SCY | 55.83 | flying | 400 Free Relay (leg 4) | 2026-03-13 | 2026 NW Spring Speedo Sectionals - Boise |
| 50 Butterfly | SCY | 36.10 | flying | 200 Medley Relay (leg 3) | 2024-12-27 | 2024 CO ACES Sprint Eliminator |
| 100 Butterfly | SCY | 1:02.86 | flying | 400 Medley Relay (leg 3) | 2026-03-15 | 2026 NW Spring Speedo Sectionals - Boise |
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 15-16 · LCM
3319 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 5:16.80 | 594 |
| 200 BK LCM | 2:59.15 | 478 |
| 200 BR LCM | 3:22.40 | 488 |
| 200 FL LCM | 2:45.83 | 613 |
| 200 IM LCM | 2:50.47 | 595 |
| 400 IM LCM | 6:10.13 | 551 |
IMR 15-16 · SCY
2915 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:03.72 | 737 |
| 100 BK SCY | 1:14.41 | 428 |
| 100 BR SCY | 1:30.64 | 360 |
| 100 FL SCY | 1:01.07 | 762 |
| 200 IM SCY | 2:25.45 | 628 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 54.87
Front half 26.56s · back half 28.31s
200 Freestyle SCY 2:03.72
Front half 59.92s · back half 63.80s
500 Freestyle SCY 6:01.21
Front half 175.35s · back half 185.86s
100 Backstroke SCY 1:14.41
Front half 36.81s · back half 37.60s
200 Backstroke SCY 2:45.41
Front half 80.41s · back half 85.00s
100 Breaststroke SCY 1:30.64
Front half 43.53s · back half 47.11s
200 Breaststroke SCY 3:15.32
Front half 95.15s · back half 100.17s
100 Butterfly SCY 1:01.07
Front half 28.82s · back half 32.25s
200 Butterfly SCY 2:25.07
Front half 67.13s · back half 77.94s
200 Individual Medley SCY 2:25.45
Front half 68.25s · back half 77.20s
100 Freestyle LCM 1:04.82
Front half 31.48s · back half 33.34s
200 Freestyle LCM 2:25.74
Front half 70.64s · back half 75.10s
400 Freestyle LCM 5:16.80
Front half 153.95s · back half 162.85s
100 Backstroke LCM 1:23.56
Front half 40.70s · back half 42.86s
200 Backstroke LCM 2:59.15
Front half 86.16s · back half 92.99s
200 Breaststroke LCM 3:22.40
Front half 97.66s · back half 104.74s
100 Butterfly LCM 1:11.26
Front half 33.29s · back half 37.97s
200 Butterfly LCM 2:45.83
Front half 75.37s · back half 90.46s
200 Individual Medley LCM 2:50.47
Front half 79.15s · back half 91.32s
400 Individual Medley LCM 6:10.13
Front half 176.81s · back half 193.32s
Progression
Faster times are higher. One card per event, all courses & history.