swimMarkus Cho
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 23.01 | AA+0.32s to AAA·+0.42s to Sectionals | 2025-05-17 | 2025 USSC Spring Into Summervenue |
| 100 Freestyle | SCY | 50.44 | AA+0.65s to AAA·+1.45s to Sectionals | 2025-03-07 | 2025 SCY MAGS Championship Meetvenue |
| 50 Backstroke | SCY | 24.93 | AAA+0.44s to AAAA·+0.44s to Sectionals | 2026-03-27 | 2026 SCY ULTRA Championship Meetvenue |
| 100 Backstroke | SCY | 57.99 | A+0.90s to AA·+1.90s to Sectionals | 2025-05-17 | 2025 USSC Spring Into Summervenue |
| 200 Backstroke | SCY | 2:17.98 | BB+7.89s to A·+16.59s to Sectionals | 2024-11-24 | 2024 PA/OLY/dROP Tri-Meetvenue |
| 50 Breaststroke | SCY | 26.40 | AAAA·Sectionals ✓+0.11s to Futures | 2026-03-29 | 2026 SCY ULTRA Championship Meetvenue |
| 100 Breaststroke | SCY | 1:02.92 | AA+1.13s to AAA·Sectionals ✓+4.93s to Futures | 2025-03-14 | 2025 Boys MHSAA Division 2 Championshipsvenue |
| 200 Breaststroke | SCY | 2:10.53 | AAA+1.94s to AAAA·Sectionals ✓+2.54s to Futures | 2026-03-28 | 2026 SCY ULTRA Championship Meetvenue |
| 50 Butterfly | SCY | 23.42 | AAAA·Sectionals ✓+0.53s to Futures | 2026-03-29 | 2026 SCY ULTRA Championship Meetvenue |
| 100 Butterfly | SCY | 1:00.60 | BB+1.71s to A·+6.61s to Sectionals | 2024-10-20 | 2024 OLY Fall Classicvenue |
| 200 Butterfly | SCY | 2:24.07 | B+1.08s to BB·+21.28s to Sectionals | 2024-11-24 | 2024 PA/OLY/dROP Tri-Meetvenue |
| 100 Individual Medley | SCY | 52.89 | 2026-03-28 | 2026 SCY ULTRA Championship Meetvenue | |
| 200 Individual Medley | SCY | 2:04.62 | AA+3.43s to AAA·+3.63s to Sectionals | 2025-03-14 | 2025 Boys MHSAA Division 2 Championshipsvenue |
| 400 Individual Medley | SCY | 4:59.43 | BB+15.24s to A·+35.44s to Sectionals | 2024-10-18 | 2024 OLY Fall Classicvenue |
| 50 Freestyle | LCM | 25.91 | AAA+0.92s to AAAA·Sectionals ✓+1.32s to Futures | 2026-07-12 | 2026 Grizzly Summer Sizzlervenue |
| 100 Freestyle | LCM | 59.19 | AA+2.10s to AAA·+2.60s to Sectionals | 2026-07-12 | 2026 Grizzly Summer Sizzlervenue |
| 100 Breaststroke | LCM | 1:12.64 | AA+0.85s to AAA·Sectionals ✓+4.45s to Futures | 2026-07-11 | 2026 Grizzly Summer Sizzlervenue |
| 100 Butterfly | LCM | 1:07.01 | A+2.52s to AA·+5.52s to Sectionals | 2026-07-12 | 2026 Grizzly Summer Sizzlervenue |
| 400 Individual Medley | LCM | 5:41.61 | BB+12.32s to A·+39.72s to Sectionals | 2026-07-10 | 2026 Grizzly Summer Sizzlervenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 15.
National cuts (Sectionals → Nationals) are the current-season meet qualifying times for the swimmer's zone and age group; ✓ marks the hardest cut already achieved.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 23.95 | flat | 200 Free Relay | 2025-03-09 | 2025 SCY MAGS Championship Meet |
| 50 Freestyle | SCY | 22.70 | flying | 200 Free Relay (leg 2) | 2025-03-23 | 2025 ULTRA Championship Meet |
| 100 Freestyle | SCY | 49.75 | flying | 400 Free Relay (leg 2) | 2025-03-07 | 2025 SCY MAGS Championship Meet |
| 200 Freestyle | SCY | 1:53.43 | flat | 800 Free Relay | 2025-03-08 | 2025 SCY MAGS Championship Meet |
| 50 Backstroke | SCY | 27.17 | flat | 200 Medley Relay | 2025-03-09 | 2025 SCY MAGS Championship Meet |
| 100 Backstroke | SCY | 59.82 | flat | 400 Medley Relay | 2025-03-08 | 2025 SCY MAGS Championship Meet |
| 50 Breaststroke | SCY | 26.35 | flying | 200 Medley Relay (leg 2) | 2026-03-27 | 2026 SCY ULTRA Championship Meet |
| 100 Breaststroke | SCY | 58.44 | flying | 400 Medley Relay (leg 2) | 2026-03-28 | 2026 SCY ULTRA Championship Meet |
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
3152 points (5/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BK SCY | 2:17.98 | 516 |
| 200 BR SCY | 2:10.53 | 884 |
| 200 FL SCY | 2:24.07 | 478 |
| 200 IM SCY | 2:04.62 | 749 |
| 400 IM SCY | 4:59.43 | 525 |
| 500 FR SCY | — | 0 |
IMR 15-16 · SCY
2760 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 57.99 | 667 |
| 100 BR SCY | 1:02.92 | 770 |
| 100 FL SCY | 1:00.60 | 574 |
| 200 IM SCY | 2:04.62 | 749 |
| 200 FR 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 50.44
Front half 24.15s · back half 26.29s
100 Backstroke SCY 57.99
Front half 28.09s · back half 29.90s
200 Backstroke SCY 2:17.98
Front half 67.57s · back half 70.41s
100 Breaststroke SCY 1:02.92
Front half 29.04s · back half 33.88s
200 Breaststroke SCY 2:10.53
Front half 62.27s · back half 68.26s
100 Butterfly SCY 1:00.60
Front half 28.32s · back half 32.28s
200 Butterfly SCY 2:24.07
Front half 67.69s · back half 76.38s
100 Individual Medley SCY 52.89
Front half 24.46s · back half 28.43s
200 Individual Medley SCY 2:04.62
Front half 59.12s · back half 65.50s
400 Individual Medley SCY 4:59.43
Front half 138.83s · back half 160.60s
100 Freestyle LCM 59.19
Front half 28.34s · back half 30.85s
100 Butterfly LCM 1:07.01
Front half 29.59s · back half 37.42s
400 Individual Medley LCM 5:41.61
Front half 162.62s · back half 178.99s
Swim history
Every recorded swim, newest first
| Date | Event | Course | Time | Age | Round | Meet |
|---|
Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.
Progression
Faster times are higher. One card per event, all courses & history.