Nat Chelius
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 25.96 | 2021-02-06 | NAC Intersquad & Orange | |
| 50 Freestyle | SCY | 36.40 | +2.31s to B | 2023-09-16 | NAC Intrasquad |
| 100 Freestyle | SCY | 1:23.85 | +9.16s to B | 2023-02-18 | 2023 SES Region 1 & 8 - Under Championships |
| 200 Freestyle | SCY | 2:06.47 | AAA+3.98s to AAAA | 2026-03-06 | Speedo Southern Premier |
| 500 Freestyle | SCY | 5:35.53 | AAA+7.54s to AAAA | 2026-03-06 | Speedo Southern Premier |
| 25 Backstroke | SCY | 24.46 | 2021-09-18 | NAC Inter-Squad | |
| 50 Backstroke | SCY | 44.38 | +5.59s to B | 2023-02-18 | 2023 SES Region 1 & 8 - Under Championships |
| 100 Backstroke | SCY | 1:37.00 | +10.41s to B | 2023-02-18 | 2023 SES Region 1 & 8 - Under Championships |
| 25 Breaststroke | SCY | 27.10 | 2021-12-11 | 2024 Polar Bear Invitational | |
| 50 Breaststroke | SCY | 37.01 | A+0.82s to AA | 2026-03-06 | Speedo Southern Premier |
| 100 Breaststroke | SCY | 1:16.16 | AA+1.07s to AAA | 2026-03-06 | Speedo Southern Premier |
| 200 Breaststroke | SCY | 2:40.45 | AAA+6.06s to AAAA | 2026-02-21 | 2026 SES Region 1 & 8 and Under Championships |
| 50 Butterfly | SCY | 33.71 | BB+2.02s to A | 2025-02-15 | 2025 SES Region 1 & 8 and Under Championships |
| 100 Butterfly | SCY | 1:08.04 | AA+2.55s to AAA | 2026-03-06 | Speedo Southern Premier |
| 100 Individual Medley | SCY | 1:09.25 | AA+2.26s to AAA | 2026-03-06 | Speedo Southern Premier |
| 200 Individual Medley | SCY | 2:23.39 | AAA+5.40s to AAAA | 2026-03-06 | Speedo Southern Premier |
| 50 Freestyle | LCM | 32.56 | A+0.57s to AA | 2026-05-16 | NAC LC May Classic |
| 100 Freestyle | LCM | 1:12.04 | A+1.65s to AA | 2025-04-26 | Gateway Foot and Ankle LC Spring Classic |
| 200 Freestyle | LCM | 2:34.13 | A+0.64s to AA | 2025-04-26 | Gateway Foot and Ankle LC Spring Classic |
| 50 Backstroke | LCM | 41.85 | B+0.16s to BB | 2025-04-26 | Gateway Foot and Ankle LC Spring Classic |
| 100 Backstroke | LCM | 1:23.55 | A+2.76s to AA | 2026-05-16 | NAC LC May Classic |
| 50 Breaststroke | LCM | 46.02 | BB+3.33s to A | 2025-04-26 | Gateway Foot and Ankle LC Spring Classic |
| 100 Breaststroke | LCM | 1:34.60 | BB+0.61s to A | 2025-04-26 | Gateway Foot and Ankle LC Spring Classic |
| 50 Butterfly | LCM | 41.39 | B+2.60s to BB | 2025-04-26 | Gateway Foot and Ankle LC Spring Classic |
| 100 Butterfly | LCM | 1:22.94 | BB+0.25s to A | 2026-05-16 | NAC LC May Classic |
| 200 Individual Medley | LCM | 4:20.30 | +49.51s to B | 2022-04-23 | All American Swim LC Spring Classic |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.
IMX / IMR
IMX 11-12 · SCY
3664 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:35.53 | 931 |
| 100 BK SCY | 1:37.00 | 269 |
| 100 BR SCY | 1:16.16 | 827 |
| 100 FL SCY | 1:08.04 | 748 |
| 200 IM SCY | 2:23.39 | 889 |
IMR 11-12 · SCY
3223 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:06.47 | 895 |
| 50 BK SCY | 44.38 | 281 |
| 50 BR SCY | 37.01 | 708 |
| 50 FL SCY | 33.71 | 554 |
| 100 IM SCY | 1:09.25 | 785 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
200 Freestyle SCY 2:06.47
Front half 61.17s · back half 65.30s
500 Freestyle SCY 5:35.53
Front half 165.16s · back half 170.37s
100 Breaststroke SCY 1:16.16
Front half 36.52s · back half 39.64s
100 Butterfly SCY 1:08.04
Front half 31.86s · back half 36.18s
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 1:12.04
Front half 34.49s · back half 37.55s
200 Freestyle LCM 2:34.13
Front half 77.85s · back half 76.28s
100 Backstroke LCM 1:23.55 split/total mismatch
Front half 40.11s · back half 43.44s
100 Breaststroke LCM 1:34.60
Front half 45.12s · back half 49.48s
200 Individual Medley LCM 4:20.30
Front half 134.79s · back half 125.51s
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.