Darren Liu
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.56 | AA+0.87s to AAA | 2025-08-01 | 2025 TAC TITANS Summer Sizzler venue |
| 100 Freestyle | SCY | 47.83 | AA+0.14s to AAA | 2025-08-03 | 2025 TAC TITANS Summer Sizzler venue |
| 200 Freestyle | SCY | 1:44.76 | AAA+4.17s to AAAA | 2025-08-01 | 2025 TAC TITANS Summer Sizzler venue |
| 100 Backstroke | SCY | 59.87 | BB+3.68s to A | 2022-10-08 | 2022 TAC vs.TIDE vs. NCAP Duel slow pool |
| 100 Breaststroke | SCY | 59.16 | AA+0.27s to AAA | 2025-08-03 | 2025 TAC TITANS Summer Sizzler venue |
| 100 Butterfly | SCY | 57.50 | BB+1.31s to A | 2022-10-08 | 2022 TAC vs.TIDE vs. NCAP Duel slow pool |
| 200 Individual Medley | SCY | 2:06.98 | BB+0.19s to A | 2022-10-08 | 2022 TAC vs.TIDE vs. NCAP Duel slow pool |
| 50 Freestyle | LCM | 26.02 | AA+0.93s to AAA | 2025-06-14 | 2025 TAC TITANS Triangle Classic venue |
| 100 Freestyle | LCM | 55.88 | AA+0.69s to AAA | 2025-06-15 | 2025 TAC TITANS Triangle Classic venue |
| 200 Freestyle | LCM | 2:13.05 | BB+1.46s to A | 2019-07-31 | 2019 Southern Zone Age Group Championships venue |
| 100 Backstroke | LCM | 1:05.07 | A+0.88s to AA | 2025-06-14 | 2025 TAC TITANS Triangle Classic venue |
| 50 Breaststroke | LCM | 33.42 | AA+1.23s to AAA | 2019-07-31 | 2019 Southern Zone Age Group Championships venue |
| 100 Breaststroke | LCM | 1:10.02 | AA+1.63s to AAA | 2024-07-24 | 2024 Futures Championships - Austin venue |
| 100 Butterfly | LCM | 1:04.11 | A+2.52s to AA | 2025-06-13 | 2025 TAC TITANS Triangle Classic venue |
| 200 Individual Medley | LCM | 2:18.52 | AA+2.83s to AAA | 2024-07-27 | 2024 Futures Championships - Austin venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.
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 | LCM | 26.82 | flying | 200 Free Relay (leg 4) | 2019-08-03 | 2019 Southern Zone Age Group Championships |
| 100 Freestyle | LCM | 58.79 | flying | 400 Medley Relay (leg 4) | 2019-07-31 | 2019 Southern Zone Age Group Championships |
| 100 Freestyle | LCM | 59.02 | flying | 400 Free Relay (leg 4) | 2019-08-01 | 2019 Southern Zone Age Group Championships |
| 50 Breaststroke | LCM | 32.85 | flying | 200 Medley Relay (leg 2) | 2019-07-30 | 2019 Southern Zone 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 17-18 · LCM
807 points (1/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 IM LCM | 2:18.52 | 807 |
| 400 FR LCM | — | 0 |
| 200 BK LCM | — | 0 |
| 200 BR LCM | — | 0 |
| 200 FL LCM | — | 0 |
| 400 IM LCM | — | 0 |
IMR 17-18 · LCM
3631 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:13.05 | 640 |
| 100 BK LCM | 1:05.07 | 715 |
| 100 BR LCM | 1:10.02 | 803 |
| 100 FL LCM | 1:04.11 | 666 |
| 200 IM LCM | 2:18.52 | 807 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 47.83
Front half 22.93s · back half 24.90s
200 Freestyle SCY 1:44.76
Front half 77.20s · back half 27.56s
100 Backstroke SCY 59.87
Front half 29.47s · back half 30.40s
100 Breaststroke SCY 59.16
Front half 27.40s · back half 31.76s
100 Butterfly SCY 57.50
Front half 26.93s · back half 30.57s
200 Individual Medley SCY 2:06.98
Front half 60.39s · back half 66.59s
100 Freestyle LCM 55.88
Front half 26.96s · back half 28.92s
200 Freestyle LCM 2:13.05
Front half 63.73s · back half 69.32s
100 Backstroke LCM 1:05.07
Front half 31.27s · back half 33.80s
100 Breaststroke LCM 1:10.02
Front half 31.76s · back half 38.26s
100 Butterfly LCM 1:04.11
Front half 29.08s · back half 35.03s
200 Individual Medley LCM 2:18.52
Front half 66.00s · back half 72.52s
Progression
Faster times are higher. One card per event, all courses & history.