swimSiena Nimmer
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 28.36 | BB+1.17s to A | 2023-02-11 | 2023 CO ACES Winter Open venue |
| 100 Freestyle | SCY | 1:02.15 | BB+3.16s to A | 2024-03-09 | 2024 CO NJ Mile High Championships slow pool |
| 200 Freestyle | SCY | 2:11.49 | BB+3.80s to A | 2026-02-06 | 2026 CO OB Continental League Championships |
| 500 Freestyle | SCY | 5:52.87 | BB+8.58s to A | 2025-02-01 | 2025 CO OB Continential League Championships venue |
| 1000 Freestyle | SCY | 12:23.16 | BB+30.87s to A | 2023-11-10 | 2023 CO NJ Pineapple Open slow pool |
| 50 Backstroke | SCY | 40.34 | +5.15s to B | 2021-02-27 | 2021 CO RPDS vs ROCK Dual venue |
| 100 Backstroke | SCY | 1:17.11 | +2.62s to B | 2024-11-17 | 2024 CO TOPS Fall Invite venue |
| 200 Backstroke | SCY | 2:45.75 | +4.16s to B | 2023-09-30 | 2023 CO HRA IMX/IMR Intra-Squad venue |
| 50 Breaststroke | SCY | 38.90 | B+0.81s to BB | 2024-09-21 | 2024 CO Lightning Bolt Duel Invite fast pool |
| 100 Breaststroke | SCY | 1:21.70 | B+2.21s to BB | 2023-02-11 | 2023 CO ACES Winter Open venue |
| 200 Breaststroke | SCY | 2:58.29 | B+4.80s to BB | 2022-11-12 | 2022 CO PIkes Peak Finals venue |
| 50 Butterfly | SCY | 35.25 | +0.46s to B | 2023-09-17 | 2023 CO Loveland Quad Meet venue |
| 100 Butterfly | SCY | 1:20.05 | +5.96s to B | 2024-11-16 | 2024 CO TOPS Fall Invite venue |
| 200 Butterfly | SCY | 2:58.05 | +12.96s to B | 2023-09-30 | 2023 CO HRA IMX/IMR Intra-Squad venue |
| 100 Individual Medley | SCY | 1:15.51 | 2023-09-17 | 2023 CO Loveland Quad Meet venue | |
| 200 Individual Medley | SCY | 2:36.71 | B+2.42s to BB | 2024-03-09 | 2024 CO NJ Mile High Championships slow pool |
| 400 Individual Medley | SCY | 5:46.47 | B+17.68s to BB | 2022-01-22 | 2022 CO FAST Winter Open venue |
| 50 Freestyle | SCM | 37.57 | +2.48s to B | 2020-09-26 | 2020 CO MACS vs ROCK Dual venue |
| 100 Freestyle | SCM | 1:21.84 | +5.75s to B | 2020-09-27 | 2020 CO MACS vs ROCK Dual venue |
| 200 Freestyle | SCM | 2:57.85 | +13.26s to B | 2020-09-26 | 2020 CO MACS vs ROCK Dual venue |
| 50 Backstroke | SCM | 47.59 | +8.70s to B | 2020-09-27 | 2020 CO MACS vs ROCK Dual venue |
| 100 Breaststroke | SCM | 1:56.85 | +22.26s to B | 2020-09-26 | 2020 CO MACS vs ROCK Dual venue |
| 200 Individual Medley | SCM | 3:41.01 | +37.42s to B | 2020-09-27 | 2020 CO MACS vs ROCK Dual venue |
| 50 Freestyle | LCM | 32.03 | BB+1.04s to A | 2024-06-29 | 2024 CO Zone 2 - U venue |
| 100 Freestyle | LCM | 1:08.65 | BB+1.56s to A | 2025-06-07 | COM Conoco Phillips West Texas Invite LC25 venue |
| 200 Freestyle | LCM | 2:32.00 | BB+6.81s to A | 2024-06-29 | 2024 CO Zone 2 - U venue |
| 400 Freestyle | LCM | 5:19.64 | BB+12.95s to A | 2024-07-13 | 2024 CO TOPS SBL Summer Sizzler venue |
| 800 Freestyle | LCM | 11:07.58 | BB+32.19s to A | 2024-06-02 | 2024 CO NOCO-NJ Invite venue |
| 1500 Freestyle | LCM | 21:10.52 | BB+58.63s to A | 2023-07-16 | 2023 CO ACES Last Chance venue |
| 50 Backstroke | LCM | 38.59 | B+0.20s to BB | 2025-06-07 | COM Conoco Phillips West Texas Invite LC25 venue |
| 100 Backstroke | LCM | 1:33.37 | +6.28s to B | 2022-06-18 | 2022 CO Falfins June LC Open venue |
| 200 Backstroke | LCM | 3:12.86 | +4.17s to B | 2023-05-20 | 2023 CO NJ LC Spring Open slow pool |
| 50 Breaststroke | LCM | 43.60 | B+0.61s to BB | 2024-06-02 | 2024 CO NOCO-NJ Invite venue |
| 100 Breaststroke | LCM | 1:34.36 | B+3.07s to BB | 2025-07-12 | 2025 CO TOPS SBL Summer Sizzler venue |
| 200 Breaststroke | LCM | 3:25.71 | B+7.82s to BB | 2025-06-27 | 2025 CO Zone 2 DU Meet venue |
| 50 Butterfly | LCM | 36.12 | BB+2.73s to A | 2025-06-06 | COM Conoco Phillips West Texas Invite LC25 venue |
| 100 Butterfly | LCM | 1:23.08 | B+4.79s to BB | 2025-06-08 | COM Conoco Phillips West Texas Invite LC25 venue |
| 200 Individual Medley | LCM | 3:04.95 | B+7.76s to BB | 2022-04-29 | 2022 CO Steve Drozda LC Shotgun Invite venue |
| 400 Individual Medley | LCM | 6:20.05 | B+4.16s to BB | 2024-04-28 | 2024 CO Steve Drozda LC Shotgun venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
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 |
|---|---|---|---|---|---|---|
| 100 Freestyle | SCY | 58.48 | flat | 400 Free Relay | 2023-11-11 | 2023 CO NJ Pineapple Open |
| 100 Freestyle | SCY | 1:03.33 | flying | 400 Free Relay (leg 3) | 2022-02-27 | 2022 CO CSI SC Age Group Championships |
| 100 Freestyle | SCY | 1:02.96 | flying | 400 Medley Relay (leg 4) | 2022-02-26 | 2022 CO CSI SC Age Group Championships |
| 50 Breaststroke | SCY | 37.63 | flying | 200 Medley Relay (leg 2) | 2022-01-23 | 2022 CO FAST Winter Open |
| 100 Breaststroke | SCY | 1:22.38 | flying | 400 Medley Relay (leg 2) | 2023-02-25 | 2023 CO CSI SCY Age Group Championships |
| 100 Freestyle | LCM | 1:10.04 | flat | 400 Free Relay | 2023-07-20 | 2023 CO CSI Senior LC State Championships |
| 100 Freestyle | LCM | 1:07.66 | flying | 400 Free Relay (leg 3) | 2025-06-08 | COM Conoco Phillips West Texas Invite LC25 |
| 100 Breaststroke | LCM | 1:32.13 | flying | 400 Medley Relay (leg 2) | 2023-07-20 | 2023 CO CSI Senior LC State Championships |
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 · SCY
2674 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:52.87 | 598 |
| 200 BK SCY | 2:45.75 | 370 |
| 200 BR SCY | 2:58.29 | 468 |
| 200 FL SCY | 2:58.05 | 322 |
| 200 IM SCY | 2:36.71 | 479 |
| 400 IM SCY | 5:46.47 | 437 |
IMR 17-18 · LCM
2240 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:32.00 | 566 |
| 100 BK LCM | 1:33.37 | 329 |
| 100 BR LCM | 1:34.36 | 464 |
| 100 FL LCM | 1:23.08 | 429 |
| 200 IM LCM | 3:04.95 | 452 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:02.15
Front half 29.53s · back half 32.62s
500 Freestyle SCY 5:52.87
Front half 171.08s · back half 181.79s
1000 Freestyle SCY 12:23.16
Front half 369.76s · back half 373.40s
100 Backstroke SCY 1:17.11
Front half 37.40s · back half 39.71s
100 Breaststroke SCY 1:21.70
Front half 38.88s · back half 42.82s
200 Breaststroke SCY 2:58.29
Front half 85.93s · back half 92.36s
100 Butterfly SCY 1:20.05
Front half 35.86s · back half 44.19s
100 Individual Medley SCY 1:15.51
Front half 37.10s · back half 38.41s
200 Individual Medley SCY 2:36.71
Front half 77.17s · back half 79.54s
400 Individual Medley SCY 5:46.47
Front half 176.96s · back half 169.51s
200 Freestyle LCM 2:32.00
Front half 72.41s · back half 79.59s
400 Freestyle LCM 5:19.64
Front half 156.34s · back half 163.30s
1500 Freestyle LCM 21:10.52
Front half 36.08s · back half 1234.44s
100 Backstroke LCM 1:33.37
Front half 44.50s · back half 48.87s
200 Backstroke LCM 3:12.86
Front half 93.69s · back half 99.17s
100 Breaststroke LCM 1:34.36
Front half 45.14s · back half 49.22s
200 Breaststroke LCM 3:25.71
Front half 97.30s · back half 108.41s
100 Butterfly LCM 1:23.08
Front half 37.63s · back half 45.45s
400 Individual Medley LCM 6:20.05
Front half 186.57s · back half 193.48s
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.