swimMason McNellis
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 20.64 | 2024-12-08 | 2024 BD Del Norte #3 | |
| 50 Freestyle | SCY | 39.41 | +1.12s to B·+17.12s to Sectionals | 2026-02-22 | 2026 BD SC Jr. Border Championshipvenue |
| 100 Freestyle | SCY | 1:33.53 | +5.04s to B·+45.24s to Sectionals | 2026-02-22 | 2026 BD SC Jr. Border Championshipvenue |
| 25 Backstroke | SCY | 25.14 | 2024-12-08 | 2024 BD Del Norte #3 | |
| 50 Backstroke | SCY | 47.03 | B+3.94s to BB·+21.34s to Sectionals | 2026-02-22 | 2026 BD SC Jr. Border Championshipvenue |
| 25 Breaststroke | SCY | 27.94 | 2024-12-08 | 2024 BD Del Norte #3venue | |
| 50 Breaststroke | SCY | 54.19 | +0.70s to B·+24.70s to Sectionals | 2026-02-22 | 2026 BD SC Jr. Border Championshipvenue |
| 100 Breaststroke | SCY | 2:06.10 | +10.61s to B·+63.41s to Sectionals | 2025-12-20 | 2025 BD Leo Cancellare Memorial Swim Meetvenue |
| 50 Freestyle | LCM | 44.76 | +0.87s to B·+19.17s to Sectionals | 2026-01-01 | 2026 BD EPAP Jack White Memorial Meet |
| 100 Freestyle | LCM | 1:44.10 | +3.01s to B·+48.81s to Sectionals | 2026-06-26 | 2026 BD EPAP Jack White Memorial Classicvenue |
| 50 Backstroke | LCM | 52.54 | B+3.25s to BB·+22.35s to Sectionals | 2026-06-26 | 2026 BD EPAP Jack White Memorial Classicvenue |
| 100 Breaststroke | LCM | 2:18.04 | +4.95s to B·+65.65s to Sectionals | 2026-06-27 | 2026 BD EPAP Jack White Memorial Classicvenue |
| 50 Butterfly | LCM | 1:28.93 | +36.64s to B·+61.14s to Sectionals | 2026-01-01 | 2026 BD EPAP Jack White Memorial Meet |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.
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 | 40.23 | flat | 200 Free Relay | 2025-10-26 | 2025 BD SWAToberfest Sprintacular |
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 10 & under · LCM
293 points (1/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BR LCM | 2:18.04 | 293 |
| 200 FR LCM | — | 0 |
| 100 BK LCM | — | 0 |
| 100 FL LCM | — | 0 |
| 200 IM LCM | — | 0 |
IMR 10 & under · SCY
895 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:33.53 | 273 |
| 50 BK SCY | 47.03 | 320 |
| 50 BR SCY | 54.19 | 302 |
| 50 FL SCY | — | 0 |
| 100 IM SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle LCM 1:44.10
Front half 46.66s · back half 57.44s
100 Breaststroke LCM 2:18.04
Front half 62.92s · back half 75.12s
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.