Mason Lee
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 23.07 | AAAA | 2026-03-01 | 2026 PN February AGI, Div 1-Approved fast pool |
| 100 Freestyle | SCY | 49.34 | AAAA | 2025-12-12 | 2025 PN 14&Under Short Course Champs-Approved |
| 200 Freestyle | SCY | 1:50.98 | AAA+0.19s to AAAA | 2026-02-27 | 2026 PN February AGI, Div 1-Approved |
| 500 Freestyle | SCY | 5:07.88 | AAA+8.89s to AAAA | 2025-10-18 | 2025 PN IST Fall Open venue |
| 1000 Freestyle | SCY | 11:57.94 | BB+10.85s to A | 2024-11-16 | 2024 PN IST November Invitational venue |
| 1650 Freestyle | SCY | 19:24.16 | A+24.47s to AA | 2025-02-22 | 2025 PN IST Feb Invitational venue |
| 50 Backstroke | SCY | 26.14 | AAAA | 2025-12-20 | 2025 WA State Senior SC Champs- APPROVED venue |
| 100 Backstroke | SCY | 54.65 | AAAA | 2026-03-19 | 2026 NW Region Age Group Champs- Approved |
| 200 Backstroke | SCY | 2:03.51 | AAA+1.92s to AAAA | 2026-03-07 | 2026 BBST Seize the Day Invitational venue |
| 50 Breaststroke | SCY | 31.27 | AAA+0.88s to AAAA | 2025-11-16 | 2025 PN IST November Invitational venue |
| 100 Breaststroke | SCY | 1:16.70 | BB+4.41s to A | 2026-02-07 | 2026 PN IST Feb Winter Invitational-Approved venue |
| 200 Breaststroke | SCY | 2:42.47 | BB+5.68s to A | 2026-02-08 | 2026 PN IST Feb Winter Invitational-Approved venue |
| 50 Butterfly | SCY | 24.37 | AAAA | 2025-12-13 | 2025 PN 14&Under Short Course Champs-Approved venue |
| 100 Butterfly | SCY | 52.95 | AAAA | 2026-03-22 | 2026 NW Region Age Group Champs- Approved venue |
| 200 Butterfly | SCY | 2:03.56 | AAAA | 2026-03-12 | 2026 Bellevue Club Premier Invite- Approved fast pool |
| 100 Individual Medley | SCY | 58.35 | 2026-01-24 | 2026 PN IST January Invitational | |
| 200 Individual Medley | SCY | 2:05.63 | AAA+2.14s to AAAA | 2025-11-23 | 2025 PN November AGI, Div 3 (UPAC) venue |
| 400 Individual Medley | SCY | 4:31.87 | AAA+7.28s to AAAA | 2026-02-27 | 2026 PN February AGI, Div 1-Approved fast pool |
| 50 Freestyle | LCM | 26.44 | AAAA | 2026-06-14 | 2026 PN IST June Invtational- Approved venue |
| 100 Freestyle | LCM | 58.29 | AAAA | 2026-05-30 | 2026 IE VS Apple Capital slow pool |
| 200 Freestyle | LCM | 2:06.62 | AAAA | 2026-06-14 | 2026 PN IST June Invtational- Approved venue |
| 400 Freestyle | LCM | 4:38.30 | AAA+8.31s to AAAA | 2026-06-13 | 2026 PN IST June Invtational- Approved venue |
| 50 Backstroke | LCM | 30.95 | AAA+0.06s to AAAA | 2026-06-13 | 2026 PN IST June Invtational- Approved venue |
| 100 Backstroke | LCM | 1:07.03 | AAA+1.44s to AAAA | 2026-06-14 | 2026 PN IST June Invtational- Approved venue |
| 200 Backstroke | LCM | 2:24.89 | AAA+2.50s to AAAA | 2026-06-19 | 2026 PN CSC 105th Annual Seattle Open- Approv venue |
| 50 Breaststroke | LCM | 36.11 | AA+0.02s to AAA | 2026-05-02 | 2026 PN BC May Flowers - Approved venue |
| 100 Breaststroke | LCM | 1:20.96 | A+1.07s to AA | 2026-05-03 | 2026 PN BC May Flowers - Approved venue |
| 200 Breaststroke | LCM | 2:57.86 | A+2.57s to AA | 2026-05-02 | 2026 PN BC May Flowers - Approved venue |
| 50 Butterfly | LCM | 27.28 | AAAA | 2026-06-13 | 2026 PN IST June Invtational- Approved venue |
| 100 Butterfly | LCM | 1:00.97 | AAAA | 2026-06-14 | 2026 PN IST June Invtational- Approved venue |
| 200 Butterfly | LCM | 2:23.17 | AAA+1.48s to AAAA | 2026-06-19 | 2026 PN CSC 105th Annual Seattle Open- Approv |
| 200 Individual Medley | LCM | 2:25.19 | AAA+2.40s to AAAA | 2026-06-20 | 2026 PN CSC 105th Annual Seattle Open- Approv venue |
| 400 Individual Medley | LCM | 5:42.68 | A+8.59s to AA | 2025-06-15 | 2025 IST June Invtational 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 | 22.95 | flying | 200 Free Relay (leg 4) | 2025-12-13 | 2025 PN 14&Under Short Course Champs-Approved |
| 100 Freestyle | SCY | 58.80 | flying | 400 Medley Relay (leg 4) | 2024-12-14 | 2024 PN 14 & Under SC Champs |
| 100 Freestyle | SCY | 58.41 | flying | 400 Free Relay (leg 4) | 2024-12-15 | 2024 PN 14 & Under SC Champs |
| 50 Backstroke | SCY | 26.74 | flat | 200 Medley Relay | 2025-12-12 | 2025 PN 14&Under Short Course Champs-Approved |
| 50 Freestyle | LCM | 27.40 | flying | 200 Free Relay (leg 4) | 2025-07-26 | 2025 PN LC 12&U Championships |
| 100 Freestyle | LCM | 1:00.15 | flying | 400 Free Relay (leg 4) | 2025-07-24 | 2025 PN LC 12&U Championships |
| 50 Backstroke | LCM | 31.42 | flat | 200 Medley Relay | 2025-07-26 | 2025 PN LC 12&U Championships |
| 100 Backstroke | LCM | 1:09.54 | flat | 400 Medley Relay | 2025-07-25 | 2025 PN LC 12&U 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 · SCY
4691 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:07.88 | 829 |
| 200 BK SCY | 2:03.51 | 828 |
| 200 BR SCY | 2:42.47 | 526 |
| 200 FL SCY | 2:03.56 | 861 |
| 200 IM SCY | 2:05.63 | 839 |
| 400 IM SCY | 4:31.87 | 808 |
IMR 13-14 · LCM
4200 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:06.62 | 916 |
| 100 BK LCM | 1:07.03 | 821 |
| 100 BR LCM | 1:20.96 | 654 |
| 100 FL LCM | 1:00.97 | 966 |
| 200 IM LCM | 2:25.19 | 843 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
500 Freestyle SCY 5:07.88
Front half 149.01s · back half 158.87s
1000 Freestyle SCY 11:57.94
Front half 352.87s · back half 365.07s
1650 Freestyle SCY 19:24.16
100 Backstroke SCY 54.65
Front half 26.48s · back half 28.17s
200 Backstroke SCY 2:03.51
Front half 60.19s · back half 63.32s
100 Breaststroke SCY 1:16.70 RT 0.76s
Front half 35.55s · back half 41.15s
200 Breaststroke SCY 2:42.47 RT 0.75s
Front half 79.14s · back half 83.33s
100 Butterfly SCY 52.95 RT 0.64s
Front half 24.15s · back half 28.80s
200 Butterfly SCY 2:03.56 RT 0.66s
Front half 57.31s · back half 66.25s
100 Individual Medley SCY 58.35 split/total mismatch
Front half 25.49s · back half 32.86s
200 Individual Medley SCY 2:05.63
Front half 56.14s · back half 69.49s
400 Individual Medley SCY 4:31.87
Front half 126.53s · back half 145.34s
100 Freestyle LCM 58.29
Front half 27.58s · back half 30.71s
200 Freestyle LCM 2:06.62 RT 0.65s
Front half 59.69s · back half 66.93s
400 Freestyle LCM 4:38.30 RT 0.71s
Front half 137.49s · back half 140.81s
200 Backstroke LCM 2:24.89
Front half 67.92s · back half 76.97s
200 Breaststroke LCM 2:57.86 RT 0.70s
Front half 83.46s · back half 94.40s
200 Individual Medley LCM 2:25.19 · 14.6 min after 100 Butterfly
Front half 65.79s · back half 79.40s
400 Individual Medley LCM 5:42.68 RT 0.77s
Front half 160.46s · back half 182.22s
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.