Marshall Anderson
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 12.94 | 2026-01-11 | 2026 CO NJ Narwhal Invitational fast pool | |
| 50 Freestyle | SCY | 26.88 | BB+0.19s to A | 2026-03-27 | 2026 Southwest Age Group Regional |
| 100 Freestyle | SCY | 59.80 | BB+1.91s to A | 2025-01-01 | 2025 CO NJ Pineapple Invite |
| 200 Freestyle | SCY | 2:05.26 | A+3.87s to AA | 2026-03-28 | 2026 Southwest Age Group Regional fast pool |
| 500 Freestyle | SCY | 5:25.35 | AA+12.06s to AAA | 2026-03-27 | 2026 Southwest Age Group Regional |
| 1000 Freestyle | SCY | 11:01.92 | AA+13.73s to AAA | 2026-03-30 | 2026 Southwest Age Group Regional fast pool |
| 50 Backstroke | SCY | 32.95 | B+0.06s to BB | 2025-01-01 | 2025 CO CSI Pioneer Open |
| 100 Backstroke | SCY | 1:12.74 | B+3.65s to BB | 2025-01-01 | 2025 CO CSI Pioneer Open |
| 200 Backstroke | SCY | 2:23.56 | BB+4.57s to A | 2026-02-27 | 2026 CO CSI SC Age Group Championships fast pool |
| 50 Breaststroke | SCY | 38.83 | B+1.24s to BB | 2026-01-10 | 2026 CO NJ Narwhal Invitational fast pool |
| 100 Breaststroke | SCY | 1:25.17 | +0.88s to B | 2025-01-01 | 2025 CO NJ Pineapple Invite |
| 200 Breaststroke | SCY | 2:55.85 | B+5.96s to BB | 2026-01-10 | 2026 CO NJ Narwhal Invitational fast pool |
| 50 Butterfly | SCY | 29.40 | A+0.91s to AA | 2026-01-10 | 2026 CO NJ Narwhal Invitational fast pool |
| 100 Butterfly | SCY | 1:03.17 | A+2.58s to AA | 2026-03-30 | 2026 Southwest Age Group Regional fast pool |
| 200 Butterfly | SCY | 2:19.51 | A+3.72s to AA | 2026-03-29 | 2026 Southwest Age Group Regional fast pool |
| 100 Individual Medley | SCY | 1:12.09 | 2025-01-01 | 2025 CO CSI Pioneer Open | |
| 200 Individual Medley | SCY | 2:24.42 | BB+3.23s to A | 2026-02-27 | 2026 CO CSI SC Age Group Championships fast pool |
| 400 Individual Medley | SCY | 5:05.34 | BB+2.95s to A | 2026-03-01 | 2026 CO CSI SC Age Group Championships fast pool |
| 50 Freestyle | LCM | 31.89 | BB+1.30s to A | 2025-07-25 | 2025 CO CSI Age Group Championships venue |
| 100 Freestyle | LCM | 1:03.92 | AA+2.43s to AAA | 2026-06-14 | 2026 CO CSI Long Course Open fast pool |
| 200 Freestyle | LCM | 2:14.90 | AA+1.31s to AAA | 2026-06-13 | 2026 CO CSI Long Course Open fast pool |
| 400 Freestyle | LCM | 4:50.37 | AA+7.58s to AAA | 2026-06-05 | 2026 CO NJ Summer Solstice Invite fast pool |
| 800 Freestyle | LCM | 10:20.74 | A+3.55s to AA | 2026-04-24 | 2026 CO Arena Catch Me If You Can venue |
| 1500 Freestyle | LCM | 18:53.80 | AA+3.21s to AAA | 2026-06-07 | 2026 CO NJ Summer Solstice Invite fast pool |
| 50 Backstroke | LCM | 37.85 | BB+2.46s to A | 2025-07-27 | 2025 CO CSI Age Group Championships venue |
| 100 Backstroke | LCM | 1:22.07 | B+0.98s to BB | 2026-04-26 | 2026 CO Arena Catch Me If You Can venue |
| 200 Backstroke | LCM | 2:50.33 | BB+7.64s to A | 2026-06-12 | 2026 CO CSI Long Course Open |
| 50 Breaststroke | LCM | 48.22 | +2.33s to B | 2025-06-29 | 2025 CO Zone 2 VMAC Meet venue |
| 200 Breaststroke | LCM | 3:18.80 | B+0.71s to BB | 2026-05-16 | 2026 CO NJ Ken Kelley Invite fast pool |
| 50 Butterfly | LCM | 36.27 | BB+2.78s to A | 2025-06-14 | 2025 CO CSI Long Course Open fast pool |
| 100 Butterfly | LCM | 1:10.53 | A+1.44s to AA | 2026-06-12 | 2026 CO CSI Long Course Open fast pool |
| 200 Butterfly | LCM | 2:35.82 | A+0.63s to AA | 2026-06-06 | 2026 CO NJ Summer Solstice Invite fast pool |
| 200 Individual Medley | LCM | 2:48.38 | BB+5.19s to A | 2026-05-15 | 2026 CO NJ Ken Kelley Invite fast pool |
| 400 Individual Medley | LCM | 5:29.38 | AA+9.79s to AAA | 2026-06-13 | 2026 CO CSI Long Course Open fast pool |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.
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 | 26.62 | flying | 200 Free Relay (leg 4) | 2026-03-29 | 2026 Southwest Age Group Regional |
| 100 Freestyle | SCY | 57.98 | flying | 400 Free Relay (leg 2) | 2026-03-30 | 2026 Southwest Age Group Regional |
| 50 Butterfly | SCY | 29.68 | flying | 200 Medley Relay (leg 3) | 2026-03-29 | 2026 Southwest Age Group Regional |
| 100 Butterfly | SCY | 1:03.43 | flying | 400 Medley Relay (leg 3) | 2026-03-28 | 2026 Southwest Age Group Regional |
| 50 Freestyle | LCM | 31.70 | flat | 200 Free Relay | 2025-07-27 | 2025 CO CSI Age Group Championships |
| 50 Backstroke | LCM | 38.21 | flat | 200 Medley Relay | 2025-07-26 | 2025 CO CSI 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 13-14 · LCM
3577 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 4:50.37 | 728 |
| 200 BK LCM | 2:50.33 | 512 |
| 200 BR LCM | 3:18.80 | 447 |
| 200 FL LCM | 2:35.82 | 647 |
| 200 IM LCM | 2:48.38 | 540 |
| 400 IM LCM | 5:29.38 | 703 |
IMR 13-14 · SCY
2512 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:05.26 | 621 |
| 100 BK SCY | 1:12.74 | 397 |
| 100 BR SCY | 1:25.17 | 356 |
| 100 FL SCY | 1:03.17 | 586 |
| 200 IM SCY | 2:24.42 | 552 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
200 Freestyle SCY 2:05.26
Front half 60.97s · back half 64.29s
1000 Freestyle SCY 11:01.92
Front half 330.74s · back half 331.18s
200 Backstroke SCY 2:23.56
Front half 70.83s · back half 72.73s
200 Breaststroke SCY 2:55.85
Front half 85.23s · back half 90.62s
100 Butterfly SCY 1:03.17
Front half 29.89s · back half 33.28s
200 Butterfly SCY 2:19.51
Front half 67.41s · back half 72.10s
200 Individual Medley SCY 2:24.42
Front half 68.14s · back half 76.28s
400 Individual Medley SCY 5:05.34
Front half 148.83s · back half 156.51s
100 Freestyle LCM 1:03.92
Front half 31.36s · back half 32.56s
200 Freestyle LCM 2:14.90
Front half 65.56s · back half 69.34s
400 Freestyle LCM 4:50.37
Front half 143.67s · back half 146.70s
1500 Freestyle LCM 18:53.80
Front half 569.12s · back half 564.68s
100 Backstroke LCM 1:22.07
Front half 39.75s · back half 42.32s
200 Breaststroke LCM 3:18.80
Front half 95.08s · back half 103.72s
100 Butterfly LCM 1:10.53
Front half 33.28s · back half 37.25s
200 Butterfly LCM 2:35.82
Front half 75.16s · back half 80.66s
200 Individual Medley LCM 2:48.38
Front half 80.91s · back half 87.47s
400 Individual Medley LCM 5:29.38
Front half 162.58s · back half 166.80s
Progression
Faster times are higher. One card per event, all courses & history.