Liam Marcum
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 31.07 | +1.18s to B | 2024-12-14 | 2024 Ohio River Challenge venue |
| 100 Freestyle | SCY | 1:10.90 | +5.81s to B | 2024-12-15 | 2024 Ohio River Challenge venue |
| 200 Freestyle | SCY | 2:36.44 | +13.85s to B | 2024-12-14 | 2024 Ohio River Challenge venue |
| 50 Backstroke | SCY | 40.26 | +6.57s to B | 2024-10-04 | 2024 SwimVille_USA Jack Thompson Classic venue |
| 100 Backstroke | SCY | 1:26.15 | +14.76s to B | 2024-11-10 | Harvest Classic 2024 venue |
| 200 Backstroke | SCY | 3:01.70 | +26.51s to B | 2024-12-14 | 2024 Ohio River Challenge venue |
| 50 Breaststroke | SCY | 46.46 | +7.87s to B | 2024-10-04 | 2024 SwimVille_USA Jack Thompson Classic venue |
| 100 Breaststroke | SCY | 1:45.64 | +25.05s to B | 2024-10-06 | 2024 SwimVille_USA Jack Thompson Classic venue |
| 50 Butterfly | SCY | 36.94 | +3.75s to B | 2024-10-04 | 2024 SwimVille_USA Jack Thompson Classic venue |
| 100 Butterfly | SCY | 1:23.52 | +13.03s to B | 2024-12-15 | 2024 Ohio River Challenge venue |
| 200 Individual Medley | SCY | 3:02.99 | +25.00s to B | 2024-12-15 | 2024 Ohio River Challenge venue |
| 50 Freestyle | LCM | 28.55 | A+0.36s to AA | 2026-06-05 | 98th Ohio Valley Championships 2026 venue |
| 100 Freestyle | LCM | 1:04.82 | BB+0.43s to A | 2026-06-06 | 98th Ohio Valley Championships 2026 venue |
| 200 Freestyle | LCM | 2:24.77 | BB+4.18s to A | 2026-06-04 | 98th Ohio Valley Championships 2026 venue |
| 400 Freestyle | LCM | 5:03.42 | BB+3.53s to A | 2026-06-05 | 98th Ohio Valley Championships 2026 venue |
| 800 Freestyle | LCM | 11:09.93 | BB+48.54s to A | 2026-05-15 | 2026 Triton Summer Launch fast pool |
| 100 Backstroke | LCM | 1:18.53 | B+0.84s to BB | 2026-05-16 | 2026 Triton Summer Launch fast pool |
| 200 Backstroke | LCM | 2:45.91 | BB+9.92s to A | 2026-06-06 | 98th Ohio Valley Championships 2026 venue |
| 100 Breaststroke | LCM | 1:37.24 | +3.25s to B | 2026-05-17 | 2026 Triton Summer Launch fast pool |
| 200 Breaststroke | LCM | 3:55.41 | +31.52s to B | 2025-06-06 | 97th Ohio Valley Championships 2025 venue |
| 100 Butterfly | LCM | 1:15.81 | B+1.22s to BB | 2026-06-04 | 98th Ohio Valley Championships 2026 venue |
| 200 Individual Medley | LCM | 2:46.20 | BB+9.31s to A | 2026-06-06 | 98th Ohio Valley Championships 2026 venue |
| 400 Individual Medley | LCM | 5:49.42 | BB+13.93s to A | 2026-06-04 | 98th Ohio Valley Championships 2026 venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 14.
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 13-14 · LCM
2612 points (5/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 5:03.42 | 638 |
| 200 BK LCM | 2:45.91 | 554 |
| 200 BR LCM | 3:55.41 | 269 |
| 200 IM LCM | 2:46.20 | 562 |
| 400 IM LCM | 5:49.42 | 589 |
| 200 FL LCM | — | 0 |
IMR 13-14 · LCM
2565 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:24.77 | 613 |
| 100 BK LCM | 1:18.53 | 511 |
| 100 BR LCM | 1:37.24 | 377 |
| 100 FL LCM | 1:15.81 | 502 |
| 200 IM LCM | 2:46.20 | 562 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:10.90
Front half 33.64s · back half 37.26s
200 Freestyle SCY 2:36.44
Front half 77.07s · back half 79.37s
100 Backstroke SCY 1:26.15
Front half 41.20s · back half 44.95s
200 Backstroke SCY 3:01.70
Front half 86.54s · back half 95.16s
200 Individual Medley SCY 3:02.99
Front half 85.41s · back half 97.58s
200 Freestyle LCM 2:24.77
Front half 69.63s · back half 75.14s
400 Freestyle LCM 5:03.42
Front half 146.78s · back half 156.64s
100 Backstroke LCM 1:18.53
Front half 37.35s · back half 41.18s
200 Backstroke LCM 2:45.91
Front half 81.38s · back half 84.53s
100 Breaststroke LCM 1:37.24
Front half 45.04s · back half 52.20s
200 Breaststroke LCM 3:55.41
Front half 114.02s · back half 121.39s
200 Individual Medley LCM 2:46.20
Front half 79.67s · back half 86.53s
400 Individual Medley LCM 5:49.42
Front half 171.43s · back half 177.99s
Progression
Faster times are higher. One card per event, all courses & history.