Koen Anderson
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 27.21 | B+1.12s to BB·+4.82s to Sectionals | 2021-08-07 | 2021 NI WEBS Back to the Races #7venue |
| 100 Freestyle | SCY | 51.71 | A+1.32s to AA·+3.22s to Sectionals | 2024-03-24 | 2024 EZ SC Speedo Champ Series - VAvenue |
| 200 Freestyle | SCY | 2:01.56 | BB+5.57s to A·+15.27s to Sectionals | 2022-02-13 | February Meet @ Cazenovia College |
| 500 Freestyle | SCY | 4:52.35 | AA+3.76s to AAA·+4.96s to Sectionals | 2024-03-23 | 2024 EZ North Region Speedo Sectional Champsvenue |
| 1000 Freestyle | SCY | 10:09.41 | AA+4.92s to AAA·+9.92s to Sectionals | 2024-03-24 | 2024 EZ North Region Speedo Sectional Champsvenue |
| 1650 Freestyle | SCY | 18:35.26 | BB+13.67s to A·+111.27s to Sectionals | 2022-01-30 | January Meet @ Cazenovia Collegevenue |
| 50 Backstroke | SCY | 37.86 | +6.67s to B·+14.17s to Futures | 2020-03-01 | 2020 NI Champs Qualifier UNACvenue |
| 100 Backstroke | SCY | 1:07.85 | +1.06s to B·+13.36s to Sectionals | 2022-01-30 | January Meet @ Cazenovia Collegevenue |
| 200 Backstroke | SCY | 2:22.75 | B+7.06s to BB·+24.16s to Sectionals | 2022-02-13 | February Meet @ Cazenovia College |
| 50 Breaststroke | SCY | 42.43 | +6.44s to B·+16.14s to Futures | 2018-01-01 | stsl csst12012018results |
| 100 Breaststroke | SCY | 1:22.70 | +7.21s to B·+21.21s to Sectionals | 2021-08-07 | 2021 NI WEBS Back to the Races #7venue |
| 200 Breaststroke | SCY | 3:06.80 | +22.61s to B·+51.81s to Sectionals | 2021-06-06 | 2021 Chargers Jr/ Srvenue |
| 50 Butterfly | SCY | 34.73 | +3.54s to B·+11.84s to Futures | 2020-03-01 | 2020 NI Champs Qualifier UNACvenue |
| 100 Butterfly | SCY | 1:22.78 | +16.69s to B·+29.59s to Sectionals | 2019-03-07 | 2019 Niagara LSC SCY Championships |
| 200 Butterfly | SCY | 2:43.50 | +14.71s to B·+42.31s to Sectionals | 2021-06-06 | 2021 Chargers Jr/ Srvenue |
| 100 Individual Medley | SCY | 1:12.12 | 2021-04-18 | SYCH intrasquad 0418 Meet 6venue | |
| 200 Individual Medley | SCY | 2:50.08 | +20.49s to B·+50.69s to Sectionals | 2020-02-28 | 2020 NI Champs Qualifier UNACvenue |
| 400 Individual Medley | SCY | 5:32.32 | +10.33s to B·+77.23s to Sectionals | 2021-06-06 | 2021 Chargers Jr/ Srvenue |
| 50 Freestyle | LCM | 28.79 | BB+1.00s to A·+3.30s to Sectionals | 2023-07-07 | Hawks Summer Invitational 2023 |
| 100 Freestyle | LCM | 55.97 | AA+0.38s to AAA·+0.48s to Sectionals | 2025-08-07 | 2025 LC Senior Zone Championshipvenue |
| 200 Freestyle | LCM | 1:59.99 | AAA+3.40s to AAAA·Sectionals ✓+2.20s to Futures | 2025-08-08 | 2025 LC Senior Zone Championshipvenue |
| 400 Freestyle | LCM | 4:15.10 | AAA+6.41s to AAAA·Sectionals ✓+5.11s to Futures | 2025-08-09 | 2025 LC Senior Zone Championshipvenue |
| 800 Freestyle | LCM | 8:47.14 | AAA+10.25s to AAAA·Sectionals ✓+6.45s to Futures | 2025-08-07 | 2025 LC Senior Zone Championshipvenue |
| 1500 Freestyle | LCM | 16:56.39 | AAA+24.50s to AAAA·Sectionals ✓+17.40s to Futures | 2025-08-10 | 2025 LC Senior Zone Championshipvenue |
| 50 Backstroke | LCM | 51.56 | +14.17s to B·+23.67s to Futures | 2018-06-10 | Clinton Cudas Colgate Classic Invitationalvenue |
| 100 Backstroke | LCM | 1:41.74 | +23.05s to B·+39.75s to Sectionals | 2019-05-18 | Niagara Long Course Super Circuit Meet #3 |
| 200 Backstroke | LCM | 2:39.17 | BB+12.08s to A·+24.38s to Sectionals | 2023-07-07 | Hawks Summer Invitational 2023 |
| 50 Breaststroke | LCM | 56.10 | +15.21s to B·+25.21s to Futures | 2019-06-29 | 2019 NI SYCH Super Circuit |
| 100 Breaststroke | LCM | 1:34.62 | +6.53s to B·+24.93s to Sectionals | 2021-06-26 | 2021 NI WEBS Back to the Races #5 LC |
| 200 Breaststroke | LCM | 3:29.49 | +17.30s to B·+56.90s to Sectionals | 2021-07-17 | 2021 NI WEBS Back to the Races #6 LC |
| 50 Butterfly | LCM | 44.16 | +8.97s to B·+17.87s to Futures | 2019-06-29 | 2019 NI SYCH Super Circuit |
| 100 Butterfly | LCM | 1:26.87 | +10.88s to B·+26.68s to Sectionals | 2021-07-17 | 2021 NI WEBS Back to the Races #6 LC |
| 200 Butterfly | LCM | 2:13.27 | AA+0.08s to AAA·Sectionals ✓+3.08s to Futures | 2026-03-28 | 2026 Speedo Sectional Championshipvenue |
| 200 Individual Medley | LCM | 2:36.75 | BB+8.16s to A·+20.56s to Sectionals | 2022-07-09 | Hawks Summer Invitational 2022venue |
| 400 Individual Medley | LCM | 4:55.86 | AA+3.47s to AAA·+5.97s to Sectionals | 2025-08-08 | 2025 LC Senior Zone Championshipvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
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 | 30.58 | flat | 200 Free Relay | 2020-03-08 | 2020 NI 12 & Under Championships (Golds) |
| 50 Freestyle | SCY | 33.36 | flying | 200 Free Relay (leg 4) | 2019-11-24 | 2019 NI Greater Syracuse Invitational |
| 50 Freestyle | SCY | 31.16 | flying | 200 Medley Relay (leg 4) | 2020-03-07 | 2020 NI 12 & Under Championships (Golds) |
| 50 Freestyle | LCM | 25.50 | flying | 200 Free Relay (leg 2) | 2026-03-29 | 2026 Speedo Sectional Championship |
| 100 Freestyle | LCM | 58.39 | flying | 400 Free Relay (leg 2) | 2025-03-29 | 2025 Speedo Sectional Championship |
| 200 Freestyle | LCM | 2:00.76 | flying | 800 Free Relay (leg 2) | 2026-03-27 | 2026 Speedo Sectional Championship |
| 50 Butterfly | LCM | 27.87 | flying | 200 Medley Relay (leg 3) | 2025-03-29 | 2025 Speedo Sectional Championship |
| 100 Butterfly | LCM | 53.60 | flying | 400 Medley Relay (leg 3) | 2025-08-10 | 2025 LC Senior Zone 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 17-18 · LCM
3896 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 4:15.10 | 884 |
| 200 BK LCM | 2:39.17 | 506 |
| 200 BR LCM | 3:29.49 | 310 |
| 200 FL LCM | 2:13.27 | 830 |
| 200 IM LCM | 2:36.75 | 557 |
| 400 IM LCM | 4:55.86 | 809 |
IMR 17-18 · LCM
2209 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 1:59.99 | 873 |
| 100 BK LCM | 1:41.74 | 187 |
| 100 BR LCM | 1:34.62 | 325 |
| 100 FL LCM | 1:26.87 | 267 |
| 200 IM LCM | 2:36.75 | 557 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 51.71
Front half 24.64s · back half 27.07s
500 Freestyle SCY 4:52.35
Front half 143.67s · back half 148.68s
1000 Freestyle SCY 10:09.41
Front half 301.84s · back half 307.57s
1650 Freestyle SCY 18:35.26
100 Backstroke SCY 1:07.85
Front half 33.02s · back half 34.83s
100 Breaststroke SCY 1:22.70
Front half 38.77s · back half 43.93s
200 Breaststroke SCY 3:06.80
Front half 90.23s · back half 96.57s
200 Butterfly SCY 2:43.50
Front half 78.83s · back half 84.67s
100 Individual Medley SCY 1:12.12
Front half 32.89s · back half 39.23s
200 Individual Medley SCY 2:50.08
Front half 79.74s · back half 90.34s
400 Individual Medley SCY 5:32.32
Front half 160.79s · back half 171.53s
100 Freestyle LCM 55.97
Front half 27.32s · back half 28.65s
200 Freestyle LCM 1:59.99
Front half 58.40s · back half 61.59s
400 Freestyle LCM 4:15.10
Front half 126.10s · back half 129.00s
800 Freestyle LCM 8:47.14
Front half 264.19s · back half 262.95s
1500 Freestyle LCM 16:56.39
Front half 504.48s · back half 511.91s
100 Backstroke LCM 1:41.74 split/total mismatch
Front half 50.29s · back half 51.45s
100 Breaststroke LCM 1:34.62 split/total mismatch
Front half 45.34s · back half 49.28s
200 Breaststroke LCM 3:29.49 split/total mismatch
100 Butterfly LCM 1:26.87 split/total mismatch
Front half 42.91s · back half 43.96s
200 Butterfly LCM 2:13.27
Front half 63.60s · back half 69.67s
200 Individual Medley LCM 2:36.75
Front half 74.44s · back half 82.31s
400 Individual Medley LCM 4:55.86
Front half 143.46s · back half 152.40s
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.