swimAlfie Johnsson
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 29.77 | B+0.08s to BB | 2024-04-13 | 2024 PN MMSC Marlins Madness venue |
| 100 Freestyle | SCY | 1:04.93 | B+0.54s to BB | 2024-04-14 | 2024 PN MMSC Marlins Madness venue |
| 200 Freestyle | SCY | 2:24.09 | B+5.40s to BB | 2024-04-27 | 2024 PN CSC Spring Swimtacular venue |
| 500 Freestyle | SCY | 6:35.23 | B+21.34s to BB | 2024-01-28 | 2024 PN CSC Winter Invitational venue |
| 1650 Freestyle | SCY | 23:18.09 | B+95.00s to BB | 2024-01-21 | 2024 PN BC January Mile venue |
| 50 Backstroke | SCY | 33.43 | B+0.64s to BB | 2024-04-14 | 2024 PN MMSC Marlins Madness venue |
| 100 Backstroke | SCY | 1:13.46 | B+3.87s to BB | 2024-01-28 | 2024 PN CSC Winter Invitational venue |
| 200 Backstroke | SCY | 2:43.01 | +0.52s to B | 2025-12-07 | 2025 PN Fall Divisionals, Division 2 venue |
| 50 Breaststroke | SCY | 45.15 | +3.86s to B | 2024-04-13 | 2024 PN MMSC Marlins Madness venue |
| 100 Breaststroke | SCY | 1:34.25 | +7.66s to B | 2024-04-27 | 2024 PN CSC Spring Swimtacular venue |
| 50 Butterfly | SCY | 33.91 | B+1.32s to BB | 2024-04-27 | 2024 PN CSC Spring Swimtacular venue |
| 100 Individual Medley | SCY | 1:16.75 | 2024-04-13 | 2024 PN MMSC Marlins Madness venue | |
| 50 Freestyle | LCM | 33.07 | BB+1.88s to A | 2024-05-04 | 2024 PN BC May Flowers venue |
| 100 Freestyle | LCM | 1:16.00 | B+3.11s to BB | 2024-05-05 | 2024 PN BC May Flowers venue |
| 200 Freestyle | LCM | 2:43.00 | B+5.61s to BB | 2024-05-05 | 2024 PN BC May Flowers venue |
| 400 Freestyle | LCM | 6:03.49 | +4.50s to B | 2024-06-22 | 2024 IE VS Starlight Open slow pool |
| 50 Backstroke | LCM | 39.24 | B+0.85s to BB | 2024-05-05 | 2024 PN BC May Flowers venue |
| 100 Backstroke | LCM | 1:21.19 | BB+6.20s to A | 2024-05-04 | 2024 PN BC May Flowers venue |
| 200 Backstroke | LCM | 3:09.75 | +1.86s to B | 2021-06-26 | 2021 IE VS Starlight Open slow pool |
| 50 Breaststroke | LCM | 50.15 | +3.26s to B | 2024-06-01 | 2024 TRI-CITY INVITATIONAL venue |
| 100 Breaststroke | LCM | 1:53.40 | +14.21s to B | 2024-06-22 | 2024 IE VS Starlight Open slow pool |
| 50 Butterfly | LCM | 40.71 | +1.62s to B | 2023-06-03 | 2023 TRI-CITY INVITE venue |
| 100 Butterfly | LCM | 1:35.93 | +11.54s to B | 2023-06-04 | 2023 TRI-CITY INVITE venue |
| 200 Individual Medley | LCM | 3:08.40 | B+10.31s to BB | 2024-05-04 | 2024 PN BC May Flowers venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.
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
IMX 15-16 · LCM
1235 points (3/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 6:03.49 | 393 |
| 200 BK LCM | 3:09.75 | 402 |
| 200 IM LCM | 3:08.40 | 440 |
| 200 BR LCM | — | 0 |
| 200 FL LCM | — | 0 |
| 400 IM LCM | — | 0 |
IMR 15-16 · LCM
1992 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:43.00 | 471 |
| 100 BK LCM | 1:21.19 | 517 |
| 100 BR LCM | 1:53.40 | 277 |
| 100 FL LCM | 1:35.93 | 287 |
| 200 IM LCM | 3:08.40 | 440 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:04.93
Front half 30.77s · back half 34.16s
200 Freestyle SCY 2:24.09
Front half 67.98s · back half 76.11s
500 Freestyle SCY 6:35.23
Front half 189.95s · back half 205.28s
1650 Freestyle SCY 23:18.09
100 Backstroke SCY 1:13.46
Front half 35.24s · back half 38.22s
200 Backstroke SCY 2:43.01
Front half 79.60s · back half 83.41s
100 Breaststroke SCY 1:34.25
Front half 44.55s · back half 49.70s
100 Individual Medley SCY 1:16.75
Front half 34.49s · back half 42.26s
200 Freestyle LCM 2:43.00
Front half 80.39s · back half 82.61s
200 Backstroke LCM 3:09.75
Front half 93.53s · back half 96.22s
200 Individual Medley LCM 3:08.40 RT 0.68s
Front half 88.10s · back half 100.30s
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.