Joshua Leu
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.60 | AA+0.21s to AAA | 2026-03-07 | 2026 SC Illinois Senior Championships - copi venue |
| 100 Freestyle | SCY | 48.71 | AAA+1.92s to AAAA | 2026-03-08 | 2026 SC Illinois Senior Championships - copi venue |
| 200 Freestyle | SCY | 1:53.04 | A+1.05s to AA | 2024-03-13 | 2024 IL Swimming SC Age Group Championships |
| 50 Backstroke | SCY | 25.32 | AA+0.33s to AAA | 2026-03-06 | 2026 SC Illinois Senior Championships - copi venue |
| 100 Backstroke | SCY | 54.47 | AA+1.18s to AAA | 2026-03-07 | 2026 SC Illinois Senior Championships - copi venue |
| 200 Backstroke | SCY | 2:00.89 | AA+4.20s to AAA | 2026-03-05 | 2026 SC Illinois Senior Championships - copi |
| 100 Butterfly | SCY | 56.67 | A+1.38s to AA | 2024-03-08 | 2024 IL Swimming SC Age Group Championships slow pool |
| 50 Freestyle | LCM | 25.99 | AA+0.10s to AAA | 2024-07-25 | 2024 LC Illinois Senior Championships |
| 100 Freestyle | LCM | 55.67 | AAA+1.78s to AAAA | 2025-07-31 | 2025 LC Illinois Senior Championships |
| 50 Backstroke | LCM | 29.19 | AAA+0.80s to AAAA | 2025-08-01 | 2025 LC Illinois Senior Championships venue |
| 100 Backstroke | LCM | 1:03.92 | AA+1.43s to AAA | 2025-08-02 | 2025 LC Illinois Senior Championships venue |
| 200 Backstroke | LCM | 2:22.09 | A+0.60s to AA | 2025-08-03 | 2025 LC Illinois Senior Championships venue |
| 50 Butterfly | LCM | 28.48 | AA+0.29s to AAA | 2026-01-01 | LFSC SwimFest, Presented by The Lake Forest Swim Club, 4-5/Ju, S#: WI2024-504S |
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.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 200 Freestyle | SCY | 1:52.32 | flat | 800 Free Relay | 2024-03-08 | 2024 IL Swimming SC Age Group Championships |
| 100 Backstroke | SCY | 57.54 | flat | 400 Medley Relay | 2024-03-09 | 2024 IL Swimming SC Age Group 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 15-16 · SCY
767 points (1/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BK SCY | 2:00.89 | 767 |
| 500 FR SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 15-16 · SCY
2242 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:53.04 | 734 |
| 100 BK SCY | 54.47 | 805 |
| 100 FL SCY | 56.67 | 703 |
| 100 BR SCY | — | 0 |
| 200 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 SCY 48.71
Front half 23.33s · back half 25.38s
100 Backstroke SCY 54.47
Front half 26.08s · back half 28.39s
200 Backstroke SCY 2:00.89 split/total mismatch
Front half 27.64s · back half 93.25s
100 Butterfly SCY 56.67
Front half 26.60s · back half 30.07s
100 Backstroke LCM 1:03.92 RT 0.57s
Front half 30.30s · back half 33.62s
200 Backstroke LCM 2:22.09 RT 0.60s
Front half 66.64s · back half 75.45s
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.