swimChristian Koser
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 30.58 | BB+0.49s to A·+8.29s to Sectionals | 2025-01-19 | 2025 T2 Aquatics Naples Openvenue |
| 100 Freestyle | SCY | 1:09.07 | BB+3.88s to A·+20.78s to Sectionals | 2025-01-18 | 2025 T2 Aquatics Naples Openvenue |
| 200 Freestyle | SCY | 2:48.81 | +2.22s to B·+63.02s to Sectionals | 2024-10-26 | 2024 T2 Spooktacularvenue |
| 500 Freestyle | SCY | 6:47.15 | BB+24.66s to A·+121.06s to Sectionals | 2025-01-17 | 2025 T2 Aquatics Naples Openvenue |
| 50 Backstroke | SCY | 37.08 | BB+2.19s to A·+11.39s to Sectionals | 2025-01-18 | 2025 T2 Aquatics Naples Openvenue |
| 100 Backstroke | SCY | 1:22.72 | B+0.03s to BB·+27.63s to Sectionals | 2024-11-17 | 2024 SYS Turkey Meetvenue |
| 50 Breaststroke | SCY | 42.68 | BB+3.19s to A·+13.19s to Sectionals | 2025-01-18 | 2025 T2 Aquatics Naples Openvenue |
| 100 Breaststroke | SCY | 1:33.36 | B+0.77s to BB·+30.67s to Sectionals | 2025-01-19 | 2025 T2 Aquatics Naples Openvenue |
| 100 Butterfly | SCY | 2:00.96 | +30.47s to B·+68.27s to Sectionals | 2024-11-16 | 2024 SYS Turkey Meetvenue |
| 100 Individual Medley | SCY | 1:30.88 | +2.79s to B | 2024-10-26 | 2024 T2 Spooktacularvenue |
| 200 Individual Medley | SCY | 3:14.60 | +1.91s to B·+75.21s to Sectionals | 2024-10-25 | 2024 T2 Spooktacularvenue |
| 50 Freestyle | LCM | 34.81 | BB+0.62s to A·+9.22s to Sectionals | 2025-04-12 | 2025 GCST Spring Invitevenue |
| 100 Freestyle | LCM | 1:19.68 | BB+4.39s to A·+24.39s to Sectionals | 2024-05-26 | 2024 T2 Aquatics Norris Foundation LC Meetvenue |
| 200 Freestyle | LCM | 2:57.40 | B+1.21s to BB·+56.51s to Sectionals | 2024-06-15 | 2024 GCST MARK MCCAW SUMMER INVITEvenue |
| 400 Freestyle | LCM | 6:23.88 | B+10.79s to BB·+124.79s to Sectionals | 2024-05-24 | 2024 T2 Aquatics Norris Foundation LC Meetvenue |
| 50 Backstroke | LCM | 44.31 | B+0.32s to BB·+14.12s to Sectionals | 2024-04-21 | 2024 GCST Spring Openvenue |
| 100 Backstroke | LCM | 1:39.16 | B+2.67s to BB·+34.67s to Sectionals | 2025-04-12 | 2025 GCST Spring Invitevenue |
| 50 Breaststroke | LCM | 49.47 | B+0.28s to BB·+15.28s to Sectionals | 2025-04-13 | 2025 GCST Spring Invitevenue |
| 100 Breaststroke | LCM | 1:51.44 | B+3.25s to BB·+39.05s to Sectionals | 2024-05-25 | 2024 T2 Aquatics Norris Foundation LC Meetvenue |
| 50 Butterfly | LCM | 53.49 | +8.20s to B·+25.70s to Sectionals | 2024-06-15 | 2024 GCST MARK MCCAW SUMMER INVITEvenue |
| 100 Butterfly | LCM | 2:00.18 | +16.69s to B·+59.69s to Sectionals | 2025-04-13 | 2025 GCST Spring Invitevenue |
| 200 Individual Medley | LCM | 3:40.79 | +0.10s to B·+83.10s to Sectionals | 2024-06-16 | 2024 GCST MARK MCCAW SUMMER INVITEvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.
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 Freestyle | SCY | 32.91 | flying | 200 Free Relay (leg 4) | 2024-10-26 | 2024 T2 Spooktacular |
| 50 Freestyle | SCY | 32.64 | flying | 200 Medley Relay (leg 4) | 2024-10-25 | 2024 T2 Spooktacular |
| 50 Breaststroke | SCY | 41.71 | flying | 200 Medley Relay (leg 2) | 2025-01-19 | 2025 T2 Aquatics Naples Open |
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 11-12 · SCY
1644 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 6:47.15 | 463 |
| 100 BK SCY | 1:22.72 | 371 |
| 100 BR SCY | 1:33.36 | 382 |
| 100 FL SCY | 2:00.96 | 116 |
| 200 IM SCY | 3:14.60 | 312 |
IMR 11-12 · LCM
1717 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:57.40 | 434 |
| 50 BK LCM | 44.31 | 397 |
| 50 BR LCM | 49.47 | 388 |
| 50 FL LCM | 53.49 | 181 |
| 200 IM LCM | 3:40.79 | 317 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:09.07
Front half 33.53s · back half 35.54s
200 Freestyle SCY 2:48.81
Front half 81.79s · back half 87.02s
500 Freestyle SCY 6:47.15
Front half 247.27s · back half 159.88s
100 Backstroke SCY 1:22.72
100 Breaststroke SCY 1:33.36
Front half 44.36s · back half 49.00s
100 Butterfly SCY 2:00.96
Front half 54.54s · back half 66.42s
100 Individual Medley SCY 1:30.88
Front half 45.38s · back half 45.50s
200 Individual Medley SCY 3:14.60
Front half 99.90s · back half 94.70s
200 Freestyle LCM 2:57.40
Front half 89.42s · back half 87.98s
400 Freestyle LCM 6:23.88
Front half 191.00s · back half 192.88s
100 Butterfly LCM 2:00.18
Front half 57.22s · back half 62.96s
200 Individual Medley LCM 3:40.79
Front half 114.48s · back half 106.31s
Swim history
Every recorded swim, newest first
| Date | Event | Course | Time | Age | Round | Meet |
|---|
Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.
Progression
Faster times are higher. One card per event, all courses & history.