swimJemma Johnston
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 43.37 | +10.08s to B | 2024-10-26 | 2024 ST TXLA 11&Over Fall Kick Off venue |
| 100 Freestyle | SCY | 1:31.77 | +19.28s to B | 2025-11-02 | 2025 ST ASC Fall Classic venue |
| 50 Backstroke | SCY | 47.94 | +10.75s to B | 2025-10-18 | 2025 ST TXLA 11&Over Fall Kick Off Invite venue |
| 100 Backstroke | SCY | 1:44.73 | +25.44s to B | 2025-11-01 | 2025 ST ASC Fall Classic |
| 50 Breaststroke | SCY | 1:31.27 | +48.08s to B | 2024-09-21 | 2024 ST AQTX Round Rock Unclassified venue |
| 50 Butterfly | SCY | 57.76 | +21.07s to B | 2025-10-19 | 2025 ST TXLA 11&Over Fall Kick Off Invite venue |
| 50 Freestyle | LCM | 45.51 | +7.42s to B | 2026-04-11 | 2026 ST LSAC 6th Annual Atomic Fest venue |
| 100 Freestyle | LCM | 1:41.96 | +19.17s to B | 2026-04-26 | 2026 ST TXLA 11&O Long Course Kick Off venue |
| 50 Backstroke | LCM | 54.72 | +10.93s to B | 2026-04-26 | 2026 ST TXLA 11&O Long Course Kick Off venue |
| 100 Backstroke | LCM | 1:56.03 | +23.44s to B | 2026-04-25 | 2026 ST TXLA 11&O Long Course Kick Off venue |
| 50 Breaststroke | LCM | 1:31.19 | +42.10s to B | 2024-04-27 | 2024 ST CCSS LC Unclassified slow pool |
| 50 Butterfly | LCM | 1:04.49 | +23.30s to B | 2026-04-25 | 2026 ST TXLA 11&O Long Course Kick Off venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.
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.
IMX / IMR
IMR 13-14 · LCM
195 points (1/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK LCM | 1:56.03 | 195 |
| 200 FR LCM | — | 0 |
| 100 BR LCM | — | 0 |
| 100 FL LCM | — | 0 |
| 200 IM LCM | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:31.77
Front half 43.48s · back half 48.29s
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.