Nat Chelius
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 25.96 | 2021-02-06 | NAC Intersquad & Orange | |
| 50 Freestyle | SCY | 27.66 | AA+0.67s to AAA·+2.77s to Sectionals | 2026-02-22 | 2026 SES Region 1 & 8 and Under Championshipsvenue |
| 100 Freestyle | SCY | 59.75 | AA+1.06s to AAA·+5.66s to Sectionals | 2026-02-22 | 2026 SES Region 1 & 8 and Under Championshipsvenue |
| 200 Freestyle | SCY | 2:06.47 | AAA+3.98s to AAAA·+9.78s to Sectionals | 2026-03-08 | Speedo Southern Premiervenue |
| 500 Freestyle | SCY | 5:35.53 | AAA+7.54s to AAAA·+25.64s to Sectionals | 2026-03-07 | Speedo Southern Premiervenue |
| 25 Backstroke | SCY | 24.46 | 2021-09-18 | NAC Inter-Squad | |
| 50 Backstroke | SCY | 33.51 | BB+0.22s to A·+4.92s to Sectionals | 2026-01-01 | sky winteerfest results |
| 100 Backstroke | SCY | 1:08.91 | AA+2.72s to AAA·+8.12s to Sectionals | 2026-02-22 | 2026 SES Region 1 & 8 and Under Championshipsvenue |
| 25 Breaststroke | SCY | 27.10 | 2021-12-11 | 2024 Polar Bear Invitational | |
| 50 Breaststroke | SCY | 37.01 | A+0.82s to AA·+3.42s to Sectionals | 2026-03-06 | Speedo Southern Premiervenue |
| 100 Breaststroke | SCY | 1:16.16 | AA+1.07s to AAA·+5.27s to Sectionals | 2026-03-08 | Speedo Southern Premiervenue |
| 200 Breaststroke | SCY | 2:40.45 | AAA+6.06s to AAAA·+4.16s to Sectionals | 2026-02-21 | 2026 SES Region 1 & 8 and Under Championshipsvenue |
| 50 Butterfly | SCY | 31.29 | A+0.90s to AA·+3.90s to Sectionals | 2026-01-01 | sky winteerfest results |
| 100 Butterfly | SCY | 1:07.66 | AA+2.17s to AAA·+8.57s to Sectionals | 2026-01-01 | sky winteerfest results |
| 100 Individual Medley | SCY | 1:09.25 | AA+2.26s to AAA | 2026-03-07 | Speedo Southern Premiervenue |
| 200 Individual Medley | SCY | 2:23.39 | AAA+5.40s to AAAA·+10.80s to Sectionals | 2026-03-06 | Speedo Southern Premiervenue |
| 50 Freestyle | LCM | 32.56 | A+0.57s to AA·+4.17s to Sectionals | 2026-05-16 | NAC LC May Classicvenue |
| 100 Freestyle | LCM | 1:05.73 | AAA+1.44s to AAAA·+4.44s to Sectionals | 2026-07-19 | 2026 SE Southeastern Summer LC Championshipsvenue |
| 200 Freestyle | LCM | 2:19.69 | AAAA·+7.60s to Sectionals | 2026-07-17 | 2026 SE Southeastern Summer LC Championshipsvenue |
| 400 Freestyle | LCM | 4:54.51 | AAAA·+15.72s to Sectionals | 2026-07-18 | 2026 SE Southeastern Summer LC Championshipsvenue |
| 50 Backstroke | LCM | 36.90 | A+0.01s to AA·+4.01s to Sectionals | 2015-06-26 | 2024 Synergy Dryland Summer Sizzler |
| 100 Backstroke | LCM | 1:23.55 | A+2.76s to AA·+13.76s to Sectionals | 2026-05-17 | NAC LC May Classicvenue |
| 50 Breaststroke | LCM | 43.65 | BB+0.96s to A·+5.36s to Sectionals | 2025-07-19 | 2025 SE Southeastern Summer LC Championshipsvenue |
| 100 Breaststroke | LCM | 1:27.81 | AA+1.92s to AAA·+7.22s to Sectionals | 2026-07-17 | 2026 SE Southeastern Summer LC Championshipsvenue |
| 50 Butterfly | LCM | 35.64 | A+1.35s to AA·+4.35s to Sectionals | 2026-04-18 | HSA April LC Meetvenue |
| 100 Butterfly | LCM | 1:14.25 | AAA+3.36s to AAAA·+6.86s to Sectionals | 2026-07-18 | 2026 SE Southeastern Summer LC Championshipsvenue |
| 200 Individual Medley | LCM | 2:38.27 | AAA+0.18s to AAAA·+6.88s to Sectionals | 2026-07-19 | 2026 SE Southeastern Summer LC Championshipsvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.
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 | 27.34 | flying | 200 Free Relay (leg 3) | 2026-03-07 | Speedo Southern Premier |
| 50 Freestyle | SCY | 27.59 | flying | 200 Medley Relay (leg 4) | 2026-03-08 | Speedo Southern Premier |
| 50 Breaststroke | SCY | 38.25 | flying | 200 Medley Relay (leg 2) | 2025-03-02 | 2025 SE Speedo Southern Premier |
| 50 Freestyle | LCM | 30.84 | flat | 200 Free Relay | 2026-07-17 | 2026 SE Southeastern Summer LC Championships |
| 50 Freestyle | LCM | 31.31 | flying | 200 Medley Relay (leg 4) | 2026-07-18 | 2026 SE Southeastern Summer LC Championships |
| 50 Freestyle | LCM | 30.72 | flying | 200 Free Relay (leg 2) | 2026-07-30 | 2026 Southern Zone Age Group Championship |
| 100 Freestyle | LCM | 1:05.51 | flying | 400 Free Relay (leg 3) | 2026-07-29 | 2026 Southern Zone Age Group 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 11-12 · LCM
4332 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 4:54.51 | 1001 |
| 100 BK LCM | 1:23.55 | 663 |
| 100 BR LCM | 1:27.81 | 808 |
| 100 FL LCM | 1:14.25 | 866 |
| 200 IM LCM | 2:38.27 | 994 |
IMR 11-12 · LCM
4061 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:19.69 | 1002 |
| 50 BK LCM | 36.90 | 754 |
| 50 BR LCM | 43.65 | 628 |
| 50 FL LCM | 35.64 | 683 |
| 200 IM LCM | 2:38.27 | 994 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 59.75
Front half 28.73s · back half 31.02s
200 Freestyle SCY 2:06.47
Front half 61.17s · back half 65.30s
500 Freestyle SCY 5:35.53
Front half 165.16s · back half 170.37s
100 Backstroke SCY 1:08.91
Front half 33.49s · back half 35.42s
100 Breaststroke SCY 1:16.16
Front half 36.52s · back half 39.64s
200 Breaststroke SCY 2:40.45
Front half 77.97s · back half 82.48s
100 Individual Medley SCY 1:09.25
Front half 33.04s · back half 36.21s
200 Individual Medley SCY 2:23.39 RT 0.64s
Front half 67.78s · back half 75.61s
100 Freestyle LCM 1:05.73
Front half 32.04s · back half 33.69s
200 Freestyle LCM 2:19.69
Front half 68.17s · back half 71.52s
400 Freestyle LCM 4:54.51
Front half 146.59s · back half 147.92s
100 Backstroke LCM 1:23.55
Front half 40.11s · back half 43.44s
100 Breaststroke LCM 1:27.81
Front half 42.55s · back half 45.26s
100 Butterfly LCM 1:14.25
Front half 35.03s · back half 39.22s
200 Individual Medley LCM 2:38.27
Front half 77.27s · back half 81.00s
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.
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.