Katelyn Nensel
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.23 | AA+0.24s to AAA | 2023-10-28 | 2023 C}O COSA Senior College Duel |
| 100 Freestyle | SCY | 54.25 | AA+0.16s to AAA | 2026-02-18 | 2026 CO OB CHSAA 5A State Championships venue |
| 200 Freestyle | SCY | 1:59.36 | AA+2.37s to AAA | 2025-02-22 | 2025 CO Colorado Senior Meet venue |
| 500 Freestyle | SCY | 5:44.70 | BB+0.41s to A | 2024-01-12 | 2024 CO CUDA Classic venue |
| 1000 Freestyle | SCY | 11:17.47 | AA+24.58s to AAA | 2025-01-01 | 2025 CO ACES Fall High Point Invite |
| 50 Backstroke | SCY | 26.89 | AAA+0.50s to AAAA | 2025-01-01 | 2025 CO ACES Fall High Point Invite |
| 100 Backstroke | SCY | 57.54 | AAA+1.65s to AAAA | 2026-03-27 | 2026 Four Corner Speedo Sectionals - Carmel - fast pool |
| 200 Backstroke | SCY | 2:05.11 | AAA+3.92s to AAAA | 2026-03-28 | 2026 Four Corner Speedo Sectionals - Carmel - fast pool |
| 50 Breaststroke | SCY | 40.95 | B+2.86s to BB | 2021-12-18 | 2021 CO Loveland Holiday Showdown venue |
| 100 Breaststroke | SCY | 1:13.54 | BB+0.15s to A | 2025-01-01 | 2025 CO ACES Fall High Point Invite |
| 200 Breaststroke | SCY | 3:04.61 | B+11.12s to BB | 2023-10-22 | 2023 CO MACS Fall Invitational venue |
| 50 Butterfly | SCY | 28.44 | AA+1.05s to AAA | 2024-12-27 | 2024 CO ACES Sprint Eliminator venue |
| 100 Butterfly | SCY | 1:03.10 | A+2.21s to AA | 2026-01-25 | 2026 CO TOPS Colorado Open venue |
| 100 Individual Medley | SCY | 1:04.18 | 2024-12-27 | 2024 CO ACES Sprint Eliminator venue | |
| 200 Individual Medley | SCY | 2:12.30 | AA+1.71s to AAA | 2026-03-29 | 2026 Four Corner Speedo Sectionals - Carmel - fast pool |
| 400 Individual Medley | SCY | 4:51.01 | A+0.12s to AA | 2025-01-01 | 2025 CO ACES Fall High Point Invite |
| 50 Freestyle | LCM | 29.24 | AA+0.85s to AAA | 2026-06-07 | 2026 CO NJ Summer Solstice Invite fast pool |
| 100 Freestyle | LCM | 1:03.11 | AA+1.62s to AAA | 2026-06-26 | 2026 CO Zone 2 District Meet-AAC fast pool |
| 200 Freestyle | LCM | 2:18.62 | AA+5.53s to AAA | 2025-06-20 | 2025 CO ACES Summer Invite venue |
| 400 Freestyle | LCM | 5:00.29 | A+6.40s to AA | 2025-04-26 | 2025 CO FST Spring LC Fever fast pool |
| 50 Backstroke | LCM | 31.44 | AAA+0.35s to AAAA | 2026-06-10 | 2026 CO HRA Sprint Eliminator venue |
| 100 Backstroke | LCM | 1:07.32 | AAA+2.03s to AAAA | 2024-07-20 | 2024 CO CSI Senior LC Championships venue |
| 200 Backstroke | LCM | 2:29.38 | AA+1.19s to AAA | 2025-07-20 | 2025 CO CSI Senior LC State Championships venue |
| 50 Breaststroke | LCM | 40.00 | BB+0.31s to A | 2025 CO TOPS Suburban League Pentathlon venue | |
| 100 Breaststroke | LCM | 1:30.14 | BB+5.95s to A | 2025-06-08 | 2025 CO NJ Summer Solstice Invitational fast pool |
| 200 Breaststroke | LCM | 3:25.58 | B+7.69s to BB | 2024-05-17 | 2024 CO ACES Spring Invite |
| 50 Butterfly | LCM | 30.43 | AAA+1.24s to AAAA | 2026-06-10 | 2026 CO HRA Sprint Eliminator venue |
| 100 Butterfly | LCM | 1:11.79 | A+2.50s to AA | 2026-06-26 | 2026 CO Zone 2 District Meet-AAC |
| 200 Butterfly | LCM | 3:03.13 | B+9.94s to BB | 2025-04-26 | 2025 CO FST Spring LC Fever fast pool |
| 200 Individual Medley | LCM | 2:37.02 | A+0.33s to AA | 2025-06-28 | 2025 CO Zone 2 VMAC Meet venue |
| 400 Individual Medley | LCM | 6:02.12 | BB+15.13s to A | 2024-05-17 | 2024 CO ACES Spring Invite 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 |
|---|---|---|---|---|---|---|
| 200 Freestyle | LCM | 2:21.62 | flying | 800 Free Relay (leg 2) | 2024-07-31 | GroupA - WZ LCM Senior Champs 2024 |
| 50 Backstroke | LCM | 32.61 | flat | 200 Medley Relay | 2024-07-30 | WZ LCM Senior Champs 2024 |
| 100 Backstroke | LCM | 1:08.62 | flat | 400 Medley Relay | 2025-07-17 | 2025 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 · LCM
3686 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 5:00.29 | 687 |
| 200 BK LCM | 2:29.38 | 810 |
| 200 BR LCM | 3:25.58 | 449 |
| 200 FL LCM | 3:03.13 | 431 |
| 200 IM LCM | 2:37.02 | 739 |
| 400 IM LCM | 6:02.12 | 570 |
IMR 17-18 · SCY
3775 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:59.36 | 791 |
| 100 BK SCY | 57.54 | 872 |
| 100 BR SCY | 1:13.54 | 646 |
| 100 FL SCY | 1:03.10 | 669 |
| 200 IM SCY | 2:12.30 | 797 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 54.25
Front half 26.11s · back half 28.14s
200 Freestyle SCY 1:59.36
Front half 57.14s · back half 62.22s
500 Freestyle SCY 5:44.70
Front half 167.94s · back half 176.76s
100 Backstroke SCY 57.54
Front half 27.39s · back half 30.15s
200 Backstroke SCY 2:05.11
Front half 59.88s · back half 65.23s
200 Breaststroke SCY 3:04.61
Front half 89.58s · back half 95.03s
50 Butterfly SCY 28.44
Front half 13.85s · back half 14.59s
100 Butterfly SCY 1:03.10
Front half 28.74s · back half 34.36s
100 Individual Medley SCY 1:04.18
Front half 29.40s · back half 34.78s
200 Individual Medley SCY 2:12.30
Front half 60.71s · back half 71.59s
100 Freestyle LCM 1:03.11
Front half 30.55s · back half 32.56s
200 Freestyle LCM 2:18.62
Front half 67.75s · back half 70.87s
400 Freestyle LCM 5:00.29
Front half 149.47s · back half 150.82s
100 Backstroke LCM 1:07.32
Front half 32.37s · back half 34.95s
200 Backstroke LCM 2:29.38
Front half 70.25s · back half 79.13s
100 Breaststroke LCM 1:30.14
Front half 43.28s · back half 46.86s
200 Butterfly LCM 3:03.13
Front half 84.94s · back half 98.19s
200 Individual Medley LCM 2:37.02
Front half 71.89s · back half 85.13s
400 Individual Medley LCM 6:02.12
Front half 167.68s · back half 194.44s
Progression
Faster times are higher. One card per event, all courses & history.