Natalie Gunderson
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 18.61 | 2020-01-12 | 2020 Winter Invite venue | |
| 50 Freestyle | SCY | 26.88 | A+0.39s to AA | 2024-03-01 | 2024 IES Short Course Championships fast pool |
| 100 Freestyle | SCY | 52.44 | AAAA | 2025-01-16 | 2025 PN VAST 48th Annual Washington Open |
| 200 Freestyle | SCY | 2:08.74 | A+4.45s to AA | 2024-03-02 | 2024 IES Short Course Championships fast pool |
| 500 Freestyle | SCY | 5:36.38 | A+1.09s to AA | 2025-11-14 | 2025 WIAA 3A Girls H.S. State Swim Champs-OB venue |
| 1650 Freestyle | SCY | 19:22.01 | AA+45.52s to AAA | 2026-03-01 | 2026 IES Short Course Championships fast pool |
| 25 Backstroke | SCY | 21.97 | 2020-01-11 | 2020 Winter Invite venue | |
| 50 Backstroke | SCY | 32.67 | BB+1.88s to A | 2023-12-09 | 2023 IE SWAT Winter Invite venue |
| 100 Backstroke | SCY | 1:01.49 | AA+1.80s to AAA | 2025-02-28 | 2025 IES Short Course Championships |
| 200 Backstroke | SCY | 2:32.66 | BB+11.37s to A | 2023-11-11 | 2023 Adam England Memorial Fall Splash venue |
| 25 Breaststroke | SCY | 29.22 | 2019-12-07 | LCN 2019 Reindeer Splash venue | |
| 50 Breaststroke | SCY | 35.57 | A+1.18s to AA | 2025-03-01 | 2025 IES Short Course Championships fast pool |
| 100 Breaststroke | SCY | 1:15.91 | BB+0.92s to A | 2025-11-14 | 2025 WIAA 3A Girls H.S. State Swim Champs-OB venue |
| 200 Breaststroke | SCY | 2:44.61 | BB+3.32s to A | 2026-02-28 | 2026 IES Short Course Championships fast pool |
| 25 Butterfly | SCY | 22.78 | 2020-01-12 | 2020 Winter Invite venue | |
| 50 Butterfly | SCY | 27.47 | AAA+0.98s to AAAA | 2023-03-03 | 2023 IES Short Course Championships |
| 100 Butterfly | SCY | 1:08.36 | BB+3.37s to A | 2024-02-10 | Cougar Classic fast pool |
| 200 Butterfly | SCY | 2:55.30 | +7.11s to B | 2022-11-20 | 2022 Adam England Memorial Fall Splash venue |
| 100 Individual Medley | SCY | 1:09.78 | 2023-10-07 | 2023 SWAT Fall Challenge venue | |
| 200 Individual Medley | SCY | 2:20.18 | A+1.39s to AA | 2023-03-03 | 2023 IES Short Course Championships |
| 400 Individual Medley | SCY | 5:19.27 | BB+8.28s to A | 2024-02-11 | Cougar Classic fast pool |
| 50 Freestyle | LCM | 30.88 | A+0.59s to AA | 2023-07-21 | 2023 IES LC Championships venue |
| 100 Freestyle | LCM | 1:06.88 | A+1.59s to AA | 2025-08-06 | 2025 Western Zone Age Group Championships fast pool |
| 200 Freestyle | LCM | 2:24.54 | A+2.85s to AA | 2025-07-26 | 2025 IES LC CHAMPIONSHIPS venue |
| 400 Freestyle | LCM | 5:07.39 | A+9.30s to AA | 2025-07-25 | 2025 IES LC CHAMPIONSHIPS venue |
| 800 Freestyle | LCM | 11:02.12 | BB+21.23s to A | 2026-05-16 | 2026 Chris Engledow Memorial Meet venue |
| 1500 Freestyle | LCM | 19:56.36 | A+20.07s to AA | 2025-07-27 | 2025 IES LC CHAMPIONSHIPS venue |
| 50 Backstroke | LCM | 35.02 | A+0.23s to AA | 2023-07-21 | 2023 IES LC Championships |
| 100 Backstroke | LCM | 1:19.23 | BB+3.54s to A | 2025-08-06 | 2025 Western Zone Age Group LCM Championships |
| 200 Backstroke | LCM | 2:48.18 | BB+5.39s to A | 2025-07-27 | 2025 IES LC CHAMPIONSHIPS venue |
| 50 Breaststroke | LCM | 41.34 | BB+1.05s to A | 2026-06-21 | 2026 SWAT Summer Solstice venue |
| 100 Breaststroke | LCM | 1:30.66 | BB+4.77s to A | 2026-06-20 | 2026 SWAT Summer Solstice venue |
| 200 Breaststroke | LCM | 3:12.30 | BB+6.51s to A | 2025-07-26 | 2025 IES LC CHAMPIONSHIPS venue |
| 50 Butterfly | LCM | 33.32 | A+0.63s to AA | 2024-06-01 | 2024 TRI-CITY INVITATIONAL venue |
| 100 Butterfly | LCM | 1:17.20 | BB+3.71s to A | 2023-08-05 | 2023 Western Zone Age Group Championships venue |
| 200 Individual Medley | LCM | 2:40.20 | A+0.41s to AA | 2024-07-26 | 2024 IES LC CHAMPIONSHIPS |
| 400 Individual Medley | LCM | 6:03.27 | BB+8.38s to A | 2026-07-04 | Pendleton Open 2026 venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 15.
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 | 28.39 | flat | 200 Free Relay | 2023-03-05 | 2023 IES Short Course Championships |
| 50 Freestyle | SCY | 28.00 | flying | 200 Free Relay (leg 4) | 2024-01-28 | 2024 Winter Open |
| 50 Freestyle | SCY | 28.87 | flying | 200 Medley Relay (leg 4) | 2023-03-04 | 2023 IES Short Course Championships |
| 50 Breaststroke | SCY | 35.81 | flying | 200 Medley Relay (leg 2) | 2025-03-01 | 2025 IES Short Course Championships |
| 100 Breaststroke | SCY | 1:11.74 | flying | 400 Medley Relay (leg 2) | 2024-02-11 | Cougar Classic |
| 50 Butterfly | SCY | 29.87 | flying | 200 Medley Relay (leg 3) | 2023-01-21 | Hells Canyon Winter Invitational |
| 50 Freestyle | LCM | 32.05 | flying | 200 Medley Relay (leg 4) | 2023-08-04 | 2023 Western Zone Age Group Championships |
| 50 Freestyle | LCM | 32.39 | flying | 200 Free Relay (leg 3) | 2023-08-05 | 2023 Western Zone Age Group Championships |
| 100 Freestyle | LCM | 1:11.58 | flat | 400 Free Relay | 2024-07-27 | 2024 IES LC CHAMPIONSHIPS |
| 100 Breaststroke | LCM | 1:35.10 | flying | 400 Medley Relay (leg 2) | 2024-07-26 | 2024 IES LC 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 15-16 · SCY
3467 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:36.38 | 714 |
| 200 BK SCY | 2:32.66 | 506 |
| 200 BR SCY | 2:44.61 | 608 |
| 200 FL SCY | 2:55.30 | 357 |
| 200 IM SCY | 2:20.18 | 702 |
| 400 IM SCY | 5:19.27 | 580 |
IMR 15-16 · SCY
3271 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:08.74 | 654 |
| 100 BK SCY | 1:01.49 | 759 |
| 100 BR SCY | 1:15.91 | 613 |
| 100 FL SCY | 1:08.36 | 543 |
| 200 IM SCY | 2:20.18 | 702 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
200 Freestyle SCY 2:08.74
Front half 62.96s · back half 65.78s
500 Freestyle SCY 5:36.38
Front half 164.14s · back half 172.24s
1650 Freestyle SCY 19:22.01
100 Backstroke SCY 1:01.49 split/total mismatch
200 Backstroke SCY 2:32.66
Front half 74.67s · back half 77.99s
100 Breaststroke SCY 1:15.91 RT 0.82s
Front half 35.36s · back half 40.55s
200 Breaststroke SCY 2:44.61
Front half 79.59s · back half 85.02s
100 Butterfly SCY 1:08.36
Front half 32.19s · back half 36.17s
200 Butterfly SCY 2:55.30
Front half 80.11s · back half 95.19s
100 Individual Medley SCY 1:09.78
Front half 32.02s · back half 37.76s
200 Individual Medley SCY 2:20.18 split/total mismatch
400 Individual Medley SCY 5:19.27
Front half 158.42s · back half 160.85s
200 Freestyle LCM 2:24.54
Front half 70.47s · back half 74.07s
400 Freestyle LCM 5:07.39
Front half 151.71s · back half 155.68s
800 Freestyle LCM 11:02.12 · 240.0 min after 100 Freestyle
Front half 328.15s · back half 333.97s
1500 Freestyle LCM 19:56.36
200 Backstroke LCM 2:48.18
Front half 83.36s · back half 84.82s
100 Breaststroke LCM 1:30.66
Front half 43.05s · back half 47.61s
200 Breaststroke LCM 3:12.30
Front half 93.98s · back half 98.32s
100 Butterfly LCM 1:17.20
Front half 35.35s · back half 41.85s
200 Individual Medley LCM 2:40.20 split/total mismatch
400 Individual Medley LCM 6:03.27
Front half 181.10s · back half 182.17s
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.