swimCullen Costello
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.15 | BB+0.46s to A·+2.86s to Sectionals | 2025-11-17 | nt KdWo3SbY3Dzo8fdGa |
| 500 Freestyle | SCY | 5:47.42 | BB+24.83s to A·+61.33s to Sectionals | 2024-11-23 | 2024 Bison Aquatic Club Turkey Meet |
| 50 Breaststroke | SCY | 29.96 | AA+0.47s to AAA·+0.47s to Sectionals | 2024-12-22 | King Marlin Pro-Am Classic venue |
| 100 Breaststroke | SCY | 1:07.59 | BB+0.20s to A·+4.90s to Sectionals | 2024-12-20 | King Marlin Pro-Am Classic venue |
| 200 Breaststroke | SCY | 2:26.14 | A+5.25s to AA·+6.85s to Sectionals | 2024-12-21 | King Marlin Pro-Am Classic venue |
| 200 Individual Medley | SCY | 2:22.58 | BB+10.39s to A·+23.19s to Sectionals | 2024-11-23 | 2024 Bison Aquatic Club Turkey Meet |
| 400 Individual Medley | SCY | 4:55.33 | BB+11.14s to A·+43.34s to Sectionals | 2025-11-17 | nt KdWo3SbY3Dzo8fdGa |
| 50 Freestyle | LCM | 27.66 | A+0.27s to AA·+2.07s to Sectionals | 2026-01-01 | 2026 Oklahoma Sprint Festival |
| 100 Freestyle | LCM | 1:03.15 | BB+0.86s to A·+7.86s to Sectionals | 2025-07-24 | 2025 RAFC Last Splash Invitational |
| 50 Backstroke | LCM | 34.72 | BB+1.53s to A·+4.53s to Sectionals | 2025-07-25 | 2025 RAFC Last Splash Invitational venue |
| 100 Backstroke | LCM | 1:14.79 | BB+5.20s to A·+10.30s to Sectionals | 2025-01-01 | 2023 Oklahoma Sprint Festival |
| 50 Breaststroke | LCM | 33.91 | AA+0.42s to AAA·Sectionals ✓+3.02s to Futures | 2025-07-24 | 2025 RAFC Last Splash Invitational venue |
| 100 Breaststroke | LCM | 1:15.45 | A+0.36s to AA·+3.06s to Sectionals | 2026-06-04 | 18th Annual Bill Nixon Memorial |
| 200 Breaststroke | LCM | 2:47.50 | A+3.31s to AA·+7.11s to Sectionals | 2025-07-25 | 2025 RAFC Last Splash Invitational venue |
| 50 Butterfly | LCM | 30.07 | A+0.08s to AA·+2.28s to Sectionals | 2025-07-27 | 2025 RAFC Last Splash Invitational venue |
| 100 Butterfly | LCM | 1:14.49 | B+1.60s to BB·+14.00s to Sectionals | 2025-07-26 | 2025 RAFC Last Splash Invitational venue |
| 200 Individual Medley | LCM | 2:30.00 | A+3.11s to AA·+12.31s to Sectionals | 2026-01-01 | 2026 Oklahoma Sprint Festival |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 15.
National cuts (Sectionals → Nationals) are the current-season meet qualifying times for the swimmer's zone and age group; ✓ marks the hardest cut already achieved.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Breaststroke | SCY | 30.14 | flying | 200 Medley Relay (leg 2) | 2024-12-19 | King Marlin Pro-Am Classic |
| 100 Breaststroke | LCM | 1:15.61 | flying | 400 Medley Relay (leg 2) | 2025-07-25 | 2025 RAFC Last Splash Invitational |
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 · SCY
2179 points (4/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:47.42 | 502 |
| 200 BR SCY | 2:26.14 | 630 |
| 200 IM SCY | 2:22.58 | 500 |
| 400 IM SCY | 4:55.33 | 547 |
| 200 BK SCY | — | 0 |
| 200 FL SCY | — | 0 |
IMR 15-16 · LCM
2350 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK LCM | 1:14.79 | 503 |
| 100 BR LCM | 1:15.45 | 703 |
| 100 FL LCM | 1:14.49 | 462 |
| 200 IM LCM | 2:30.00 | 682 |
| 200 FR LCM | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
500 Freestyle SCY 5:47.42
Front half 173.30s · back half 174.12s
100 Breaststroke SCY 1:07.59
Front half 31.27s · back half 36.32s
200 Breaststroke SCY 2:26.14
Front half 69.06s · back half 77.08s
200 Individual Medley SCY 2:22.58
Front half 68.60s · back half 73.98s
100 Freestyle LCM 1:03.15 split/total mismatch
Front half 30.18s · back half 32.97s
100 Backstroke LCM 1:14.79
Front half 36.62s · back half 38.17s
200 Breaststroke LCM 2:47.50
Front half 79.28s · back half 88.22s
100 Butterfly LCM 1:14.49
Front half 34.30s · back half 40.19s
200 Individual Medley LCM 2:30.00
Front half 69.73s · back half 80.27s
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.