swimHayden Johnson
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.77 | AA+0.78s to AAA | 2024-07-13 | 2024 IL EMSC Summer Regional Championships venue |
| 100 Freestyle | SCY | 1:43.79 | +34.90s to B | 2018-06-30 | 2018 MW BT 12 & Under IMReady Invite |
| 50 Backstroke | SCY | 51.88 | +16.69s to B | 2018-06-30 | 2018 MW BT 12 & Under IMReady Invite |
| 100 Backstroke | SCY | 59.89 | AA+1.40s to AAA | 2026-03-31 | 2026 YMCA SCY Time Trials venue |
| 100 Breaststroke | SCY | 1:07.71 | AA+0.42s to AAA | 2026-04-03 | 2026 YMCA Short Course Nationals fast pool |
| 50 Butterfly | SCY | 1:00.33 | +25.54s to B | 2018-05-18 | 2018 MW MAC GOAL Spring Intro |
| 100 Butterfly | SCY | 59.90 | AA+1.71s to AAA | 2026-03-31 | 2026 YMCA Short Course Nationals fast pool |
| 100 Individual Medley | SCY | 1:56.95 | 2018-06-30 | 2018 MW BT 12 & Under IMReady Invite | |
| 200 Individual Medley | SCY | 2:12.80 | AA+2.21s to AAA | 2026-04-01 | 2026 YMCA SCY Time Trials venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
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.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 24.69 | flying | 200 Free Relay (leg 3) | 2025-03-08 | 2025 SC Illinois Senior Championships |
| 100 Freestyle | SCY | 53.57 | flying | 400 Free Relay (leg 3) | 2025-03-09 | 2025 SC Illinois Senior Championships |
| 200 Freestyle | SCY | 1:59.47 | flying | 800 Free Relay (leg 2) | 2025-03-07 | 2025 SC Illinois Senior Championships |
| 50 Butterfly | SCY | 26.52 | flying | 200 Medley Relay (leg 3) | 2025-03-09 | 2025 SC Illinois Senior Championships |
| 100 Butterfly | SCY | 1:00.38 | flying | 400 Medley Relay (leg 3) | 2025-03-08 | 2025 SC Illinois Senior Championships |
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 17-18 · SCY
788 points (1/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 IM SCY | 2:12.80 | 788 |
| 500 FR SCY | — | 0 |
| 200 BK SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 17-18 · SCY
3172 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 59.89 | 774 |
| 100 BR SCY | 1:07.71 | 828 |
| 100 FL SCY | 59.90 | 782 |
| 200 IM SCY | 2:12.80 | 788 |
| 200 FR SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Backstroke SCY 59.89 RT 0.69s
Front half 28.84s · back half 31.05s
100 Breaststroke SCY 1:07.71 RT 0.70s
Front half 31.69s · back half 36.02s
100 Butterfly SCY 59.90 RT 0.71s
Front half 27.96s · back half 31.94s
200 Individual Medley SCY 2:12.80 RT 0.70s
Front half 61.97s · back half 70.83s
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.