swimRonald Lim
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 21.95 | AA+0.26s to AAA | 2024-11-08 | 2024 Legends of Coaching Series-Kevin Perry venue |
| 100 Freestyle | SCY | 47.72 | AA+0.03s to AAA | 2024-11-10 | 2024 Legends of Coaching Series-Kevin Perry venue |
| 200 Freestyle | SCY | 1:47.39 | AA+2.00s to AAA | 2024-05-01 | 2024 CIF-SS Division 2 venue |
| 100 Backstroke | SCY | 59.38 | BB+3.19s to A | 2024-10-20 | 2024 CA Lakewood Halloween Invite slow pool |
| 50 Butterfly | SCY | 23.82 | AAA+0.63s to AAAA | 2025-01-18 | -PRELIMS 2025 Road to LA28 venue |
| 100 Butterfly | SCY | 51.22 | AAA+2.03s to AAAA | 2024-05-03 | 2024 CIF-SS Division 2 venue |
| 50 Freestyle | LCM | 25.33 | AA+0.24s to AAA | 2024-07-28 | 2024 CA SCS/ BREA Summer A/G Champs slow pool |
| 100 Freestyle | LCM | 56.62 | AA+1.43s to AAA | 2025-05-25 | 2025 CA 29th NOVA-Speedo Grand Challenge venue |
| 400 Freestyle | LCM | 4:32.76 | A+3.77s to AA | 2024-03-02 | 2024 CA/NV Speedo Sectional venue |
| 200 Backstroke | LCM | 2:26.33 | BB+0.44s to A | 2024-07-25 | 2024 CA SCS/ BREA Summer A/G Champs slow pool |
| 100 Butterfly | LCM | 56.42 | AAA+0.13s to AAAA | 2024-07-27 | 2024 CA SCS/ BREA Summer A/G Champs slow pool |
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 |
|---|---|---|---|---|---|---|
| 100 Freestyle | LCM | 54.47 | flat | 400 Free Relay | 2024-07-28 | 2024 CA SCS/ BREA Summer A/G Champs |
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
1375 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 4:32.76 | 723 |
| 200 BK LCM | 2:26.33 | 652 |
| 200 BR LCM | — | 0 |
| 200 FL LCM | — | 0 |
| 200 IM LCM | — | 0 |
| 400 IM LCM | — | 0 |
IMR 17-18 · SCY
2250 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:47.39 | 812 |
| 100 BK SCY | 59.38 | 558 |
| 100 FL SCY | 51.22 | 880 |
| 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 47.72
Front half 22.77s · back half 24.95s
200 Freestyle SCY 1:47.39 RT 0.54s
Front half 50.67s · back half 56.72s
100 Backstroke SCY 59.38
Front half 29.15s · back half 30.23s
100 Butterfly SCY 51.22 RT 0.56s
Front half 23.59s · back half 27.63s
100 Freestyle LCM 56.62
Front half 27.30s · back half 29.32s
400 Freestyle LCM 4:32.76
Front half 131.41s · back half 141.35s
200 Backstroke LCM 2:26.33 RT 0.53s
Front half 69.69s · back half 76.64s
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.