Nathan Pretorius
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.73 | A+0.04s to AA | 2024-05-04 | 2024 CO OB Front Range League Championships venue |
| 100 Freestyle | SCY | 50.89 | A+1.00s to AA | 2023-12-17 | 2023 CO Loveland Holiday Showdown venue |
| 200 Freestyle | SCY | 1:58.15 | BB+3.26s to A | 2023-05-05 | 2023 CO OB Front Range League Championships venue |
| 500 Freestyle | SCY | 5:31.34 | BB+18.65s to A | 2023-11-18 | 2023 CO Loveland Fall Harvest venue |
| 1650 Freestyle | SCY | 19:21.02 | BB+66.03s to A | 2023-10-20 | 2023 CO Loveland Fall Open venue |
| 50 Backstroke | SCY | 39.90 | +9.01s to B | 2018-01-20 | 2018 CO CUDA Classic venue |
| 200 Backstroke | SCY | 2:15.88 | B+1.79s to BB | 2023-10-28 | 2023 C}O COSA Senior College Duel |
| 50 Breaststroke | SCY | 32.31 | BB+1.72s to A | 2023-09-17 | 2023 CO Loveland Quad Meet venue |
| 100 Breaststroke | SCY | 1:08.24 | BB+4.05s to A | 2023-10-22 | 2023 CO Loveland Fall Open venue |
| 200 Breaststroke | SCY | 2:30.88 | BB+11.29s to A | 2024-02-11 | 2024 CO LOVE Sweetheart Last Chance venue |
| 50 Butterfly | SCY | 26.57 | BB+0.08s to A | 2022-11-12 | 2022 CO Loveland Red vs Blue #1 venue |
| 100 Butterfly | SCY | 55.54 | A+1.65s to AA | 2024-05-03 | 2024 CO OB Front Range League Championships venue |
| 200 Butterfly | SCY | 2:23.28 | B+6.29s to BB | 2024-01-13 | 2024 CO Loveland Heart of Winter venue |
| 100 Individual Medley | SCY | 1:01.97 | 2022-11-12 | 2022 CO Loveland Red vs Blue #1 venue | |
| 200 Individual Medley | SCY | 2:08.69 | BB+1.90s to A | 2023-12-17 | 2023 CO Loveland Holiday Showdown venue |
| 400 Individual Medley | SCY | 4:55.75 | BB+22.16s to A | 2023-11-19 | 2023 CO Loveland Fall Harvest venue |
| 50 Freestyle | LCM | 27.04 | A+0.75s to AA | 2024-07-14 | 2024 CO NCS Gold District Championships venue |
| 100 Freestyle | LCM | 58.21 | A+0.52s to AA | 2024-07-20 | 2024 CO CSI Senior LC Championships venue |
| 200 Freestyle | LCM | 2:20.53 | BB+8.94s to A | 2023-05-21 | 2023 CO NJ LC Spring Open slow pool |
| 100 Backstroke | LCM | 1:16.19 | B+3.60s to BB | 2023-05-21 | 2023 CO NJ LC Spring Open slow pool |
| 100 Breaststroke | LCM | 1:18.22 | BB+3.53s to A | 2024-07-13 | 2024 CO NCS Gold District Championships venue |
| 100 Butterfly | LCM | 1:03.64 | A+2.05s to AA | 2024-07-19 | 2024 CO CSI Senior LC Championships venue |
| 200 Individual Medley | LCM | 2:32.51 | BB+4.42s to A | 2024-07-12 | 2024 CO NCS Gold District Championships venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.
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 | 23.27 | flying | 200 Free Relay (leg 3) | 2023-10-28 | 2023 C}O COSA Senior College Duel |
| 50 Butterfly | SCY | 25.43 | flying | 200 Medley Relay (leg 3) | 2023-09-17 | 2023 CO Loveland Quad Meet |
| 100 Freestyle | LCM | 59.66 | flying | 400 Free Relay (leg 4) | 2023-07-20 | 2023 CO CSI Senior LC State Championships |
| 100 Butterfly | LCM | 1:06.70 | flying | 400 Medley Relay (leg 3) | 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
3183 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:31.34 | 555 |
| 200 BK SCY | 2:15.88 | 500 |
| 200 BR SCY | 2:30.88 | 524 |
| 200 FL SCY | 2:23.28 | 449 |
| 200 IM SCY | 2:08.69 | 634 |
| 400 IM SCY | 4:55.75 | 521 |
IMR 17-18 · LCM
2849 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:20.53 | 543 |
| 100 BK LCM | 1:16.19 | 445 |
| 100 BR LCM | 1:18.22 | 576 |
| 100 FL LCM | 1:03.64 | 680 |
| 200 IM LCM | 2:32.51 | 605 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 50.89
Front half 24.32s · back half 26.57s
200 Freestyle SCY 1:58.15
Front half 54.87s · back half 63.28s
500 Freestyle SCY 5:31.34
Front half 161.18s · back half 170.16s
1650 Freestyle SCY 19:21.02
100 Breaststroke SCY 1:08.24
Front half 32.31s · back half 35.93s
200 Breaststroke SCY 2:30.88
Front half 71.06s · back half 79.82s
100 Butterfly SCY 55.54
Front half 25.28s · back half 30.26s
200 Butterfly SCY 2:23.28
Front half 63.33s · back half 79.95s
100 Individual Medley SCY 1:01.97
Front half 27.90s · back half 34.07s
200 Individual Medley SCY 2:08.69
Front half 61.95s · back half 66.74s
400 Individual Medley SCY 4:55.75
Front half 139.59s · back half 156.16s
100 Freestyle LCM 58.21
Front half 28.33s · back half 29.88s
200 Freestyle LCM 2:20.53
Front half 67.77s · back half 72.76s
100 Backstroke LCM 1:16.19
Front half 36.18s · back half 40.01s
100 Breaststroke LCM 1:18.22
Front half 36.42s · back half 41.80s
100 Butterfly LCM 1:03.64
Front half 29.93s · back half 33.71s
200 Individual Medley LCM 2:32.51
Front half 70.46s · back half 82.05s
Progression
Faster times are higher. One card per event, all courses & history.