Matthew Duncan
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 26.99 | BB+0.30s to A | 2026-03-01 | 2026 Winter ISI Regionals- BSC fast pool |
| 200 Freestyle | SCY | 2:03.85 | A+2.46s to AA | 2026-03-01 | 2026 Winter ISI Regionals- BSC fast pool |
| 500 Freestyle | SCY | 5:30.44 | A+2.95s to AA | 2026-03-14 | 2026 ISI Winter 11-14 Age Group Championships venue |
| 1000 Freestyle | SCY | 11:28.85 | A+11.26s to AA | 2025-03-13 | 2025 ISI Winter 11-14 Age Group Championships venue |
| 1650 Freestyle | SCY | 19:15.69 | A+16.00s to AA | 2026-03-12 | 2026 ISI Winter 11-14 Age Group Championships venue |
| 50 Backstroke | SCY | 31.85 | BB+1.46s to A | 2024-07-13 | 2024 IL BSC Summer Regional Championships slow pool |
| 100 Backstroke | SCY | 1:03.59 | A+2.50s to AA | 2026-03-01 | 2026 Winter ISI Regionals- BSC fast pool |
| 200 Backstroke | SCY | 2:14.88 | A+1.69s to AA | 2025-03-14 | 2025 ISI Winter 11-14 Age Group Championships venue |
| 50 Breaststroke | SCY | 39.57 | B+1.98s to BB | 2024-07-14 | 2024 IL BSC Summer Regional Championships slow pool |
| 100 Breaststroke | SCY | 1:24.37 | +0.08s to B | 2024-07-13 | 2024 IL BSC Summer Regional Championships slow pool |
| 50 Butterfly | SCY | 28.04 | AA+0.75s to AAA | 2025-03-16 | 2025 ISI Winter 11-14 Age Group Championships venue |
| 100 Butterfly | SCY | 1:01.62 | A+1.03s to AA | 2026-02-28 | 2026 Winter ISI Regionals- BSC fast pool |
| 200 Butterfly | SCY | 2:14.71 | AA+4.82s to AAA | 2025-03-15 | 2025 ISI Winter 11-14 Age Group Championships venue |
| 100 Individual Medley | SCY | 1:08.47 | 2024-07-14 | 2024 IL BSC Summer Regional Championships slow pool | |
| 200 Individual Medley | SCY | 2:17.11 | A+1.82s to AA | 2026-02-28 | 2026 Winter ISI Regionals- BSC fast pool |
| 400 Individual Medley | SCY | 4:48.64 | AA+11.45s to AAA | 2026-02-27 | 2026 Winter ISI Regionals- BSC fast pool |
| 50 Freestyle | LCM | 30.99 | BB+0.40s to A | 2024-05-05 | Daniel Jaekel Friendship Classic 2024 slow pool |
| 100 Freestyle | LCM | 1:07.56 | BB+0.47s to A | 2024-05-04 | Daniel Jaekel Friendship Classic 2024 slow pool |
| 200 Freestyle | LCM | 2:18.11 | AA+4.52s to AAA | 2025-07-25 | Illinois Swimming Age Group Champs LC 25 venue |
| 400 Freestyle | LCM | 4:47.63 | AA+4.84s to AAA | 2025-07-24 | Illinois Swimming Age Group Champs LC 25 venue |
| 800 Freestyle | LCM | 9:52.08 | AA+1.79s to AAA | 2025-07-26 | Illinois Swimming Age Group Champs LC 25 venue |
| 50 Backstroke | LCM | 37.37 | BB+1.98s to A | 2024-05-05 | Daniel Jaekel Friendship Classic 2024 slow pool |
| 100 Backstroke | LCM | 1:14.76 | A+2.97s to AA | 2026-01-01 | 41st Annual Daniel Jaekel Friendship Classic, 3-4/May 2025, S#: WI-26-2008 |
| 200 Backstroke | LCM | 2:32.10 | AA+3.01s to AAA | 2025-07-27 | Illinois Swimming Age Group Champs LC 25 venue |
| 50 Breaststroke | LCM | 47.61 | +1.72s to B | 2024-05-05 | Daniel Jaekel Friendship Classic 2024 slow pool |
| 100 Breaststroke | LCM | 1:34.19 | B+3.90s to BB | 2026-01-01 | 41st Annual Daniel Jaekel Friendship Classic, 3-4/May 2025, S#: WI-26-2008 |
| 200 Breaststroke | LCM | 3:16.54 | BB+13.65s to A | 2026-01-01 | 41st Annual Daniel Jaekel Friendship Classic, 3-4/May 2025, S#: WI-26-2008 |
| 50 Butterfly | LCM | 33.03 | A+0.94s to AA | 2024-05-04 | Daniel Jaekel Friendship Classic 2024 slow pool |
| 100 Butterfly | LCM | 1:09.45 | A+0.36s to AA | 2025-07-27 | Illinois Swimming Age Group Champs LC 25 venue |
| 200 Butterfly | LCM | 2:34.39 | AA+5.90s to AAA | 2025-07-25 | Illinois Swimming Age Group Champs LC 25 venue |
| 200 Individual Medley | LCM | 2:36.92 | A+0.53s to AA | 2025-07-26 | Illinois Swimming Age Group Champs LC 25 venue |
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 | 27.63 | flat | 200 Free Relay | 2024-07-14 | 2024 IL BSC Summer Regional Championships |
| 100 Freestyle | SCY | 58.62 | flying | 400 Free Relay (leg 2) | 2024-03-10 | 2024 IL Swimming SC Age Group Championships |
| 50 Backstroke | SCY | 32.22 | flat | 200 Medley Relay | 2024-07-13 | 2024 IL BSC Summer Regional Championships |
| 100 Backstroke | SCY | 1:06.93 | flat | 400 Medley Relay | 2024-03-09 | 2024 IL Swimming SC Age Group Championships |
| 50 Butterfly | SCY | 27.08 | flying | 200 Medley Relay (leg 3) | 2026-02-28 | 2026 Winter ISI Regionals- BSC |
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 · SCY
3290 points (5/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:30.44 | 670 |
| 200 BK SCY | 2:14.88 | 635 |
| 200 FL SCY | 2:14.71 | 665 |
| 200 IM SCY | 2:17.11 | 645 |
| 400 IM SCY | 4:48.64 | 675 |
| 200 BR SCY | — | 0 |
IMR 13-14 · LCM
3035 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:18.11 | 706 |
| 100 BK LCM | 1:14.76 | 592 |
| 100 BR LCM | 1:34.19 | 415 |
| 100 FL LCM | 1:09.45 | 654 |
| 200 IM LCM | 2:36.92 | 668 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
200 Freestyle SCY 2:03.85
Front half 59.87s · back half 63.98s
500 Freestyle SCY 5:30.44
Front half 162.14s · back half 168.30s
1000 Freestyle SCY 11:28.85 RT 0.78s
Front half 338.65s · back half 350.20s
1650 Freestyle SCY 19:15.69
100 Backstroke SCY 1:03.59
Front half 31.26s · back half 32.33s
200 Backstroke SCY 2:14.88 RT 0.75s
Front half 65.89s · back half 68.99s
100 Breaststroke SCY 1:24.37
Front half 40.25s · back half 44.12s
100 Butterfly SCY 1:01.62
Front half 28.68s · back half 32.94s
200 Butterfly SCY 2:14.71 RT 0.72s
Front half 64.97s · back half 69.74s
100 Individual Medley SCY 1:08.47
Front half 31.63s · back half 36.84s
200 Individual Medley SCY 2:17.11
Front half 62.68s · back half 74.43s
400 Individual Medley SCY 4:48.64
Front half 133.97s · back half 154.67s
100 Freestyle LCM 1:07.56
Front half 32.14s · back half 35.42s
200 Freestyle LCM 2:18.11 RT 0.76s
Front half 67.08s · back half 71.03s
400 Freestyle LCM 4:47.63 RT 0.71s
Front half 140.59s · back half 147.04s
800 Freestyle LCM 9:52.08 RT 0.77s
Front half 296.68s · back half 295.40s
200 Backstroke LCM 2:32.10
Front half 74.79s · back half 77.31s
100 Butterfly LCM 1:09.45 RT 0.81s
Front half 32.42s · back half 37.03s
200 Butterfly LCM 2:34.39 RT 0.73s
Front half 73.54s · back half 80.85s
200 Individual Medley LCM 2:36.92
Front half 71.43s · back half 85.49s
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.